• English
  • Sales & Service Locator
  • Contact
Altra Motion Logo
  • About
    • Overview
    • Locations
    • Terms and Conditions
  • Products
    • Belted Drives
    • Linear Systems
    • Couplings
    • Electromagnetic Clutches and Brakes
    • Engineered Bearings and Assemblies
    • Gear Drives
    • Gear Motors
    • Heavy Duty Clutches & Brakes
    • Limit Switches
    • Overrunning Clutches & Backstops
  • Service Division
    • National Workshop Facilities
    • Workshop Services and Capabilities
    • Onsite Services and Capabilities
    • Refurbishments
  • News
  • Literature
  1. Home
  2. Products
  3. Gear Drives
  4. Boston Gear
  5. Open Gearing
  6. Stock Gears

  • Belted Drives
    • Bushings
      • Sure-grip Bushings
      • Taper-lock Bushings
    • Sheaves and Belted Drives
      • Classical Sheaves and V-belts
      • Light Duty FHP Sheaves and Belts
      • MTO Made-to-order Sheaves
      • Narrow Ultra-V Sheaves and V-belts
      • Poly-V Sheaves
      • Premium V-belts
    • Sure Grip Pulleys
    • Synchronous Drive Products
      • QT PowerChain II Carbon
      • QT Power Chain Synchronous Belt
      • Synchronous Plus
      • Timing Belt Drives
    • Variable Speed Drives
      • Companion Sheaves
      • Motion Control Variable
      • Motor Bases
      • Stationary Control Adjustable Drives
  • Linear Systems
    • Ball Screws
    • Ball Splines
    • Lead Screws
    • Lifting Columns
    • Linear Actuators
    • Linear Ball Bushing Bearings
    • Linear Motion Systems
    • Precision Linear Actuators
    • Profile Rail Bearings and Guides
    • RoundRail Guide Systems
    • Shafting
    • Stepper Motor Linear Actuators
  • Couplings
    • Ameridrives Couplings
      • Ameriflex Diaphragm Couplings
      • Amerigear Gear Couplings
        • Amerigear Class I Gear
        • Amerigear Gear Couplings
        • Amerigear Gear Couplings Metal Labyrinth Seal
      • Amerigear Mill Spindles
        • Amerigear SL and SF Mill Spindles
        • Amerigear SM Mill Spindles
      • Disc Couplings
        • Torsiflex-I Disc Couplings
        • Torsi-Lock Hubs
        • Turboflex Plus High Performance Disc Couplings
      • Universal Joints
        • Americardan 2000 Series U Joints
        • Americardan 5000 and 3000 Series U-Joints
        • Americardan C Series Universal Joints
        • Americardan J Series Universal Joints
    • Bibby Turboflex
      • High Performance Disc Couplings
        • Carbon Fiber Couplings
        • Torsiflex Pump Couplings
        • Turboflex High Performance Couplings
        • Turboflex High Speed Couplings
      • Industrial Couplings
        • G-Flex - Grid Couplings
        • Pin and Bush Couplings
        • Series III - Gear Couplings
      • Torque Control Products
        • Backstops
        • Bibbigard Torque Limiters
        • Bibbigard Torque Modules
        • Standard Disc Spring Torque Limiters
        • UEP Torque Limiter Modules
        • Zero Backlash Torque Limiters
    • Guardian Couplings
      • Bearing Supported Stub Shafts
      • Flywheel Couplings
        • Delta Series Flywheel Coupling
        • FBA Series Flywheel Coupling
        • FH Series Flywheel Coupling
        • FLD Series Flywheel Coupling
        • FL Series Flywheel Coupling
        • Guard-Flex Flywheel Coupling
        • NV Series Coupling
      • General Purpose Couplings
        • Curved Jaw Couplings
        • Gear Grip Flexible Shaft Couplings
        • Guardex M I Series Flexible Shaft Drive Couplings
        • LJW Flexible Straight Jaw Couplings
        • SWJW Single Wrap Jaw Couplings
      • Hydraulic Pump Mounts
        • Engine Housings
        • E Series Mount
        • G Series Mount
        • Pump Mounting Plates
        • Spacers and Adapters
      • Motion Control Couplings
        • Disc Membrane Couplings
        • Mini Jaw Couplings
        • Multi Beam Couplings
        • Oldham Couplings
        • Stainless Steel Bellows Couplings
        • Universal Lateral Couplings
      • Quik-joint Couplings
      • Rigid Couplings and Shaft Collars
        • Rigid Shaft Couplings
        • Shaft Collars
      • Specialty Couplings
        • HH Series Couplings
        • Steel Gear Couplings
        • Superflex Super-Elastic Couplings
        • Tapered Grid Couplings
    • Huco
      • Air Motors
        • Acetal Motors
          • Dynatork 1 Acetal Air Motor
          • Dynatork 3 Acetal Air Motor
        • Aluminium Motors
          • Dynatork 1 Aluminium Air Motor
          • Dynatork 3 Aluminium Air Motor
          • Dynatork 7 Aluminium Air Motor
        • Dynatork Service Kits
        • Electronically Controlled Air Motors
        • Geared Motors
          • Helical Gearboxes
            • Dynatork 1 - 932
            • Dynatork 1 - 933
            • Dynatork 3 - 935
            • Dynatork 3 - 936
            • Dynatork 7 - 937
          • Worm Gearboxes
            • Dynatork 1
            • Dynatork 3
            • Dynatork 7
        • Planetary Gearboxes
          • Acetal Planetary Gearboxes
            • Dynatork 1 Acetal Planetary Gearbox
            • Dynatork 3 Acetal Planetary Gearbox
          • Aluminium Planetary Gearboxes
            • Dynatork 1 Aluminium Planetary Gearbox
            • Dynatork 3 Aluminium Planetary Gearbox
      • Couplings
        • Beam Couplings
          • Multi-beam Couplings
          • Single Beam Couplings
          • Step Beam Couplings
        • Bore Adapters
        • Drive Couplings
          • Double Loop Flex P Coupling
          • Flex-G Jaw Couplings
        • Elastomeric Couplings
          • Dura-Flex Couplings
          • L-Jaw Couplings
          • Sure-Flex Plus Couplings
        • General Purpose Couplings
          • Oldham Couplings
          • Universal Lateral Offset Coupling
        • High Performance Couplings
          • Flex B Stainless Steel Bellows
          • Flex K Stainless Steel Bellows
          • Flex M Membrane Type
          • Flex-Ni Nickel Bellows
        • Miniature Friction Clutch
          • Vari-Tork Couplings
        • Nylon Sleeve Gear Couplings
        • Universal Joints and Teleshafts
        • Rigid Couplings
          • One Piece Rigid Coupling
          • Two Piece Rigid Coupling
    • Lamiflex Couplings
      • Alignment Shims
        • Powershim
      • Bearing Isolators
        • Ecobearing
        • Ecoblock Maxx
      • Coupling Guards
        • Coupguard
      • Couplings
        • PWB Series Couplings
        • PWE Series Flexible Couplings
        • PWF Series Couplings
        • PWH Series Couplings
    • Stromag
      • Highly Flexible Couplings
        • Cardan Shaft Couplings
          • Periflex CS
        • Plug-in
          • High Temperature PERIFLEX VN
          • Periflex VN Disc Couplings
        • TRI-R Couplings
    • TB Woods
      • Couplings
        • Dura-Flex Couplings
        • Form-Flex Couplings
        • G-Flex Grid Couplings
        • L-Jaw Couplings
        • Sure-Flex Plus Couplings
        • Torsiflex-I Disc Couplings
  • Electromagnetic Clutches and Brakes
    • Matrix
      • Clutches and Brakes
        • Clutches and Torque Limiters
          • 1 CD Series SURESTOP
          • 54L
          • 66H Series
          • Series PTL P ETL P Torque Limiting Clutches
          • Single Face Clutches and Brakes
        • Custom Design Units
          • Custom Design Units
        • Off Highway Vehicle Brakes
          • Electromagnetic Bolt On Brakes
          • SAE Hydraulic Bolt On Brakes
        • Pneumatic Clutches and Brakes
          • 4H 54H P Multi-Disc Dry Clutches
          • 55H-P-SP Series
          • 5H and 55H-P Series
        • Winch Crane and Marine Products
          • Series 1EB
          • Series 56P
          • Series 66H
      • Forklift Truck Brakes
        • Forklift Truck Brakes
      • Servo Motor Brakes
        • Servo Motor Brakes
    • Warner Electric
      • Clutch Products
        • Basic Design Clutches
          • PCC Series Clutch Couplings
          • PC Series Clutches
          • SFC Series Clutch Couplings
          • SF Series Clutches
        • Clutch Modules
          • IEC Mount
            • EM VAR 01
            • EM VAR 02
            • EM VAR 03
            • EM VAR 04
            • EM VAR 11
            • EM VAR 12
            • EM VAR 13
            • EM VAR 14
          • NEMA C Face Mount
            • Electro Module
            • Enclosed UniModule
            • Unimodule
        • Pneumatic Hydraulic Clutches
          • H110 Series Hydraulic Clutches
          • P130 Series Pneumatic Clutches
          • P140 Series Pneumatic Clutches
        • PTO Clutches
          • Off Highway Applications
            • PC Design Primary Clutch
            • SF Design Stationary Field Clutch
          • Turf and Garden Applications
            • Commercial Mowers
            • Tractor and Mowers
        • Shaft Mounted Clutches
          • E210 E220 Series
            • E210 VAR 00 Clutches
            • E210 VAR 02 Clutches
            • E220 VAR 00 Clutches
            • E220 VAR 02 Clutches
            • E220 VAR 05 Clutches
          • Electro Clutches
            • Electro Clutches
          • Packaged Stationary Field Clutches
            • SFP Shaft Mounted Clutches
          • SFM Series
            • SFM VAR 00 Clutches
            • SFM VAR 01 Clutches
            • SFM VAR 10 Clutches
            • SFM VAR 11 Clutches
        • Tooth Clutches
          • Electro Magnetic Toothed Clutch
            • E320 VAR04 Tooth Clutch
            • E330 VAR04 VAR14 Clutch
          • Pneumatic Toothed Clutch
            • P310 VAR 00 VAR 10 Clutch
        • Vehicular Clutches
          • Accessory Drive Clutches
          • AC Compressor Clutches
          • Cooling Fan Drive Clutches
          • Pump Clutches For Hydraulic Systems
        • Wrap Spring Clutches
          • European Product Line
            • Holding
            • Indexing
            • Slipping
            • Starting
          • North America Product Line
            • Standard CB Series Clutch Brake
            • Super CB Series Clutch Brake
            • WSC Series Clutch
      • Brake Products
        • Basic Design Brakes
          • E510 E520 Series Brakes
          • MB Series Brakes
          • PBM Series Brakes
          • PB Series Brakes
        • Brake Modules
          • IEC Mount
            • EM VAR 01
            • EM VAR 02
            • EM VAR 03
            • EM VAR 04
            • EM VAR 11
            • EM VAR 12
            • EM VAR 13
            • EM VAR 14
          • NEMA C Face Mount
            • Electro Module
            • Enclosed UniModule
            • UniModule
        • Caliper Brakes
          • ERS VAR-11-01 Electrically Released Brake
        • Centrifugal Brakes
          • FC-G-C410 Brakes
        • Motor Brakes
          • C-Face Power-Off Brakes
          • C-Face Power-Off Brakes with Heavy Duty Enclosures
          • Double C-Face Power-Off Brakes
        • Pneumatic Hydraulic Brakes
          • H420 Series Hydraulic Brakes
          • P520 Series Pneumatic Brakes
          • P620 Series Pneumatic Brakes
        • Power-Off Brakes
          • Elevator Brakes
            • CBCx 001 Switch
            • ERS Fenix 08 Electrically Released Brakes
            • ERS Fenix 09 Electrically Released Brakes
            • ERS VAR 07 Electrically Released Brakes
            • ERS VAR 11 Electrically Released Brakes
            • ERS VAR 14 Electrically Released Brakes
            • ERS VAR 15 Electrically Released Brakes
          • ERD Series Brakes
            • ERD Series Brakes
          • ER Series Brakes
            • ER Series Brakes
          • ERS Series Brakes
            • ERS Series Brakes
          • FB Series Brakes
            • FB Series Brakes
          • Forklift Brakes
            • ERD Electrically Released Dynamic Brakes
            • ERD HBF Electrically Released Bi-functional Brakes
            • ERD H Hydraulic Amplified Electrically Released Brake
            • PK Electrically Released Emergency Brakes
          • WR Series Brakes
            • WR180 Brakes
            • WR198 Brakes
            • WR213 Brakes
            • WR218 VAR 00 Static Holding Brakes
            • WR218 VAR 22 VAR 23 Static Holding Brakes
            • WR220 VAR00 Static Holding Brake
            • WR220 VAR22 Static Holding Brakes
            • WR225 Brakes
        • Shaft Mounted Brakes
          • EB Series Electro Brakes
        • Tooth Brakes
          • E710 VAR00
          • E720 VAR00
      • Clutch and Brake Control Products
        • Adjustable Accel Decel
          • CBC-1825R
        • Adjustable Torque
          • CBC-200 Series Controls
          • CBC-300 Series Controls
          • CBC-500 Series Controls
          • CBC-550 Series Controls
          • MCS-103-1 Series Controls
        • On-Off Controls
          • Integral Conduit Box Mounted Controls
            • CBC-100 Series
            • CBC-150 Series
            • CBC-160 Series
          • Panel Mounted Controls
            • CBC-140 Series
            • CBC-400 Series
            • CBC-450 Series
          • Plug In Octal Socket Controls
            • CBC-801 Series
            • CBC-802 Series
        • Overexcitation
          • CBC-140-5 Series
          • CBC-700 Series
          • CBC-750 Series
        • Positioning Controls
          • CBPC Controls
        • Tension Controls
          • Analog Controls
            • MCS-204 Analog Tension Controls
            • MCS-208 Analog Tension Controls
            • TCS-200 Series Analog Controls
            • TCS-220 Analog Tension Controls
            • TCS-320 Analog Splicer Control
          • Dancer Controls
            • MCS-203 Dancer Controls
            • MCS-207 Pneumatic Dancer Control
            • TCS-210 Dancer Controls
            • TCS-310 Dancer Splicer Controls
          • Modular Controls
            • MCS2000 Series Digital Web Tension Control
            • X2DRV Driver
            • XCTRL Controller
          • Power Supplies
            • MCS-166 Power Supply
            • TCS-167 Power Supply
            • TCS-168 Power Supply
        • Wrap Spring Controls
          • Model WSCC-101
          • Model WSCC-102
      • Clutch Brake Products
        • Basic Design Clutch Brakes
          • PCBC Series Clutch Brake
          • SFPBC Series Clutch Brake
        • Clutch Brake Modules
          • IEC Mount
            • EM VAR 01
            • EM VAR 02
            • EM VAR 03
            • EM VAR 04
            • EM VAR 11
            • EM VAR 12
            • EM VAR 13
            • EM VAR 14
          • NEMA C Face Mount
            • Electro Module
            • Enclosed UniModule
            • UniModule
        • Foot Mounted Clutch Brakes
          • Electro Pack
          • Washdown Electro Pack
        • PTO Clutches
          • Off Highway Applications
            • PC Design Primary Clutch
            • SF Design Stationary Field Clutch
          • Turf and Garden Applications
            • Commercial Mowers
            • Tractors and Mowers
        • Shaft Mounted Clutches and Brakes
          • Fractional HP Clutches Brakes
        • Wrap Spring Clutches
          • European Product Line
            • Holding
            • Indexing
            • Slipping
            • Starting
          • North American Product Line
            • Standard CB Series Clutch Brake
            • Super CB Series Clutch Brake
            • WSC Series Clutch
      • Torque Control Products
        • Capping Clutches
          • Magnetic Capping Headsets and Chucks
        • Electromagnetic Tension
          • ATT Series Advanced Technology
          • M Series Permanent Magnet
          • MTB Series Modular Tension
          • TB Series Basic Tension
        • Magnetic Particle
          • Magnetic Partical Clutches and Brakes
        • Permanent Magnet and Hysteresis
          • Permanent Magnet Clutches and Brakes
        • Sensing Devices
          • Pivot Point Sensors
          • Rotary Position Sensors BTCS620
          • Ultrasonic Sensors
        • Torque Limiters
          • Torque Limiters
  • Engineered Bearings and Assemblies
    • Ball Bearings
    • Custom Bearing Assemblies
    • Pins and Shafts
    • Plastic Bearings
    • Polymer Assemblies
    • Roller Bearings
    • Stainless Steel Bearings
    • Thrust Bearings
    • Track Roller Bearings
  • Gear Drives
    • Boston Gear
      • Bearings
        • Mounted Bearings Cast Iron
        • Mounted Bearings Stainless Steel
        • Sleeve and Ball Bearings
          • Anti-friction Ball Bearings
          • Bear-n-bronz Cast Bronze Plain Sleeve Bearings
          • Bost-bronz Oil Impregnated Plain Sleeve Bearings
          • BOSTonE F-1 Glass Filled Teflon Bearings
          • Molded Plastic Bearings
          • Rod Ends and Sphericals
          • Rulon 641 Bearings
      • Clutches
        • Centric Centrifugal Clutches
          • Centric Centrifugal Clutch
          • NLS Centrifugal Clutch
        • Mechanical Torque-limiting Clutches
          • Centric Centrigard CGC Series Overload Clutch
          • Centric HOR Series Overload Clutch
          • Centric Trig-o-matic Lite LOR Series
          • Centric Trig o matic ORC Series
          • Centric WOR Overload Clutch
        • Pneumatic Torque-limiting Clutches
          • Centric PDC Series Pneumatic Disconnect
          • Centric POR Series H2000
          • Centric VOR Series Vari-torque
      • Couplings, Shaft Accessories and PT Products
        • Couplings, Shaft Accessories and PT Components
          • Pulleys and Timing Belts
          • Roller Chain
          • Roller Chain Sprockets
          • Steel Couplings
            • BF Series
            • BG Series
            • CR Series
            • FA Series
            • FCP Series
            • FC Series 3-jaw Insert Type Coupling
            • SCC Series
          • Steel Shaft Collars
            • SC/CSC/2SC Series
          • Steel Thrust Washers and Bushings
          • Steel Universal Joints
            • JP JPE Series
            • J Series
            • UJNS/UJNL Series
        • Fluid Power
          • Pneumatic Accessories
          • Pneumatic Air Motors
          • Pneumatic Air Preparation
          • Pneumatic Control Valves
          • Pneumatic Cylinders
        • Stainless Steel Couplings, Shaft Accessories and PT Components
          • JS Series Stainless Steel Universal Joints
          • SAO Series Stainless Steel Thrust Washers and Thrust Ball Bearings
          • SSC/CSSC/2SSC Series Stainless Steel Collars
          • SSFC Series Stainless Steel Couplings
      • Enclosed Gear Drives and Motor Products
        • Inline, Cast Iron
          • 200 Series Optimount Parallel Shaft
          • Helical
            • 600 Series Inline Helical Gear Drives
            • 800 Series Helical Reducers
          • HM Series Speed Reducer Increaser Helical Multiplier
        • Inline, Stainless Steel
          • SS 2000 Series Stainless Steel Helical Inline
          • SSFSP Series Stainless Steel Planetary Multiplier
        • Motors, Brakes and Controls
          • AC/DC Motors and Brakes
            • CMBA Series Double C-face AC Brakes
            • Open Dripproof AC Motors
            • Permanent Magnet DC Motors
            • Totally Enclosed AC Motors
            • WB Series Washdown Duty AC Motors
          • DC Controls
            • DCX Control
            • RBD Control
            • RBX Control
            • RP3 Control
        • Right Angle, Cast Iron
          • 800 BR Helical Gear Drive Helical Worm
          • Bevel
            • R1000 Series Bevel Gear Drives
            • RA90 Spiral Bevel Gear Drives
            • R-VR 100 and 200 Spiral Bevel Gear Drives
          • Worm
            • 700 Series
            • 700 Series Washdown
        • Right Angle, Stainless Steel
          • SS2000R Series Stainless Steel Helical Bevel Gear Drive
          • SS 700 Series Steel Worm Gear Speed Reducers
        • Stainless Steel AC Motors
      • Micron TRUE Planetary Gearheads
        • In-line Planetary Gearheads
          • AquaTRUE
          • DuraTRUE
          • EverTRUE
          • NemaTRUE
          • UltraTRUE
          • XTRUE
        • Right Angle Planetary Gearheads
          • DuraTRUE 90
          • DuraTRUE 90 Dual Shaft
          • DuraTRUE Hollow Shaft
          • NemaTRUE 90
          • UltraTRUE 90
          • ValueTRUE 90
      • Open Gearing
        • Custom Gears
        • Modified Stock Gearing
        • Stock Gears
          • Helical Gears
          • Miter and Bevel Gears
          • Spur Gears and Rack
            • Change Gears
            • Gear Rack
            • Internal Gears
            • Pinion Wire
            • Spur Gears
            • Stem Pinions
          • Worms and Worm Gears
            • Worm Gears
            • Worms
    • Delroyd Worm Gear
      • BX Conveyor Drive Units
      • Double Worm Speed Reducers
      • Helical Worm Speed Reducers
      • Single Worm Speed Reducers
      • Triple Worm Speed Reducers
      • Worm Gear Mixer Units
      • Worm Gear Sets
    • Nuttall Gear
      • Loose Gearing
      • Speed Reducers
        • Custom Parallel Shaft Speed Reducers and Speed Increasers
        • SU/SD High Speed Gear Drives
        • TDS Parallel Shaft Speed Reducers
        • Type R Moduline Concentric In-line Speed Reducers
  • Gear Motors
    • Bauer Gear Motor
      • Aseptic Drives
        • AsepticDrive
      • C Adapter Motor Connection
        • C Adapter Motor Connection
      • Decentral Solutions
        • EtaK2
      • Energy Efficient Geared Motors
        • IE3 Premium Efficient Geared Motors
        • IE4-PM Synchronous Geared Motors
        • IE4-PM Synchronous Geared Motors for Explosion Hazardous Areas
      • Geared Motors
        • BF Series Shaft Mounted Geared Motor
        • BG Series Helical Geared Motor
        • BK Series Bevel Geared Motor
        • BM Series Monorail Geared Motor
        • BS Series Worm Geared Motor
      • hiflexdrive
        • HiflexDRIVE Aseptic
        • HiflexDRIVE Stainless Steel
        • HiflexDRIVE Standard
  • Heavy Duty Clutches & Brakes
    • Industrial Clutch
      • Dry Clutches and Brakes
        • Model LKB Brakes
        • Model LK Clutches
        • Model LKM Clutches
        • Model LKT Clutch or Brake
      • Oil Immersed Clutches and Brakes
        • Model CBA Clutch Brakes
        • Model CBH Clutch Brakes
        • Model HBA Brake
        • Model HC
    • Stromag
      • Controls
        • Limit Switch Control Current
          • Lever Type
            • HHEV
            • LightXcross LX
          • Planetary Gears
            • Series 51 Limit Switches
            • Smart Cam
          • Spur Gears
            • Series 100
            • Series 110
            • Series 410
          • Worm Gears
            • Light Cam
            • Light Cam M
            • Series HGE
            • Series WKA
        • Limit Switch Main Current
          • Counterweight
            • GNE
          • Lever Type
            • HNE
          • Spindle Gears
            • SNE
      • Industrial Brakes
        • Controls
          • AFR5 Control Enclosure
          • CRD Braking System
          • Monitoring
          • SIDEOS One
        • Discs
          • Discs with Couplings
            • Periflex PNF PNQ PND PNK PNM
            • SDD-SDDL Flexible Couplings and Discs
            • SDF SDF-ML SMLDF
          • Ventilated and Solid Discs
        • Drums
          • PB-D
        • Emergency Brakes
          • Electromagnetic Emergency Brakes
            • Emergency brakes type 2SA
            • Emergency brakes type OOSA and OSA
          • Hydraulic Emergency Brakes
            • Emergency brakes type SHD
            • Emergency brakes type TH THC
            • Range SH SHC SHS
        • Hydraulic Power Packs
          • CE12L
          • CE1L CE8L
          • CSH
        • Power Supply
          • AC DC 64 AC DC 32 AS 100
          • Power Supply Unit 4200 4205
        • Service Brakes
          • Electromagnetic Service Brakes
            • CA2 Range
            • Range K D
            • Service brakes type 600
          • Hydraulic Service Brakes
            • Service brakes type T
          • Thruster Service Brakes
            • Disc Brakes
            • Drum Brakes
        • Taylor-made Solutions
          • Taylor-made Solutions
      • Wind Energy Brakes
        • Rotor Brakes
          • High Speed
            • BCH85
            • BCHM 90
            • Rotowell M
            • SHD1
            • SHD2
            • SHD5
            • SHD7
            • Stromag CB 90 RS
          • Low Speed
            • CB 90 R Rotor Brake
            • FCH120
            • Rotowell 120
            • Rotowell C V
        • Yaw Brakes
          • BCH85A - BCH76A
          • CB 120 A
          • CB 90 A
          • CB 90 A Strong
          • FCHM 120A
          • FCHM 90A
          • Stromag CB 120 A Strong
    • Svendborg Brakes
      • Brake Discs
      • Hydraulic Brake Products
        • Active Brake Products
          • BSAB 120
          • BSAB 50
          • BSAB 75
          • BSAB 90
          • BSAC 120
          • BSAH 500
          • BSAK 300
          • BSAK 3000
        • Failsafe Brake Products
          • BSFA 1000
          • BSFB 600
          • BSFG 400
          • BSFH 500
          • BSFI 100
          • BSFI 200
          • BSFI 300
          • BSFI 3000
          • BSFK 500
      • Hydraulic Power Units
      • Rotor Locks
      • Service Tools
      • Soft Braking Options
      • Spare Parts and Accessories
      • Thruster Brakes
      • Yaw Systems
    • Twiflex
      • Disc Brake Systems
        • Accessories
          • Disc and Hub Assemblies
          • Electro Hydraulic Power Units
          • Monitoring Units
        • Direct Acting Caliper Brakes
          • GMR Series Disc Brake Caliper
          • GMX Series Disc Brake Caliper
          • MR Series Disc Brake Caliper
          • MS Series Disc Brake Caliper
          • MX Series Disc Brake Caliper
          • T20 Series Disc Brake Caliper
          • T2 Series Disc Brake Caliper
          • T40 Hydraulic Brake Caliper
          • VH Series Caliper Disc Brake
          • VKHD Series Disc Brake Caliper
          • VMH Series
        • Spring Applied Caliper Brakes
          • GMR Series Disc Brake Caliper
          • GMX Series Disc Brake Caliper
          • MR Series Disc Brake Caliper
          • MS Series Disc Brake Caliper
          • MU Series Disc Brake Caliper
          • MX Series Disc Brake Caliper
          • VCS Series Disc Brake Caliper
          • VKSD Series Disc Brake Caliper
          • VMS Series Disc Brake Caliper
          • VS Series Disc Brake Caliper
      • TLB Turning Locking and Braking Systems
    • Wichita Clutch
      • Air Brake
        • AirMakks SSB Brakes
        • CCB - Combination Clutch Brake
        • LIB - Low Interia Clutch
        • LI SSB - Low Inertia Spring Set Brake
        • Mistral Tension Brake
        • Model LKB Brakes
        • Model LKT Clutch or Brake
        • Modevo Modular Tension Brake
        • Motor Brakes
        • Motor RB Tension Brake
      • Air Clutch
        • Air Power Take-Offs
        • CCB - Combination Clutch Brake
        • GMC Grinding Mill Clutch
        • LI High Torque Clutch
        • Low Interia Clutch
        • Mechanical Power Take-Offs
        • Model LK Clutches
        • Model LKM Clutches
        • Model LKT Clutch or Brake
        • Standard Vent Clutch
      • Hydraulic
        • Model CBA Clutch Brakes
        • Model CBH Clutch Brakes
        • Model HBA and HBS Brakes
        • Model HC Clutch
      • Water Cooled
        • AquaMakks Water Cooled Clutches and Brakes
        • Kopper Kool Spring Set Brake or Clutch
        • wcbAM Water Cooled Brakes
  • Limit Switches
    • Stromag
      • Limit Switch Control Current
        • Lever Type
          • HHEV
          • LightXcross LX
        • Planetary Gears
          • Series 51 Limit Switches
          • Smart Cam
        • Spur Gears
          • Series 100
          • Series 110
          • Series 410
        • Worm Gears
          • Light Cam
          • Light Cam M
          • Series HGE
          • Series WKA
      • Limit Switch Main Current
        • Counterweight
          • GNE
        • Lever Type
          • HNE
        • Spindle Gears
          • SNE
  • Overrunning Clutches & Backstops
    • Formsprag Clutch
      • General Purpose Clutch Products
        • Ball Bearing Supported
          • FRB Series Backstopping Clutches
          • FSA Series
          • FSO Overrunning Clutches
          • HPI Indexing Clutches
        • Bearing Envelope Design
          • ASK Series
          • CSK Series
          • GFK Series
        • Not Self-supporting
          • ASNU Series
          • AS Series
          • DC Series
          • FS-50 and FS-20 Series
          • RSCI Series
        • Sleeve Bearing Supported
          • FS-02 04 05 Series
          • FSR Series
      • Special Purpose Clutch Products
        • CDU Series
        • FS 100 200 300 Series
        • FSD and HBG Series
        • HPO Series
        • RL Series
        • SBI Series
        • SB Pump Backstop
      • Backstopping Clutch Products
        • FHB Backstopping Clutch
        • HFB and VFB Series
        • LCB Series Fan Backstops
        • LLH Holdbacks
        • Model HSB Backstopping Clutch
        • RSBW Backstop
      • Modular Building Block Clutches
        • AL and ALM
        • GFR GFRN Clutches
        • RIZ and RINZ Clutches
      • Clutch Couplings
        • AL KEED2 Series Clutch Couplings
        • AL KMSD2 Series Clutch Couplings
        • FW Series
        • FWW Series Clutch Couplings
        • RIZ ELG2 Series Clutch Couplings
      • Accessories
        • Axial Restraint Keys
        • Axial Restraint Set Collars
        • Building Block Design Covers
        • FSO Oil Reservoirs HSB
        • FSO OSHA Covers
        • FSO Stub Shaft Adapters
        • FSO Torque Arms
    • Marland Clutch
      • Roller Products
        • BC Model Backstops
        • CEBMAG Backstops
        • CECON Clutches
        • Clutch Couplings
        • HBG Clutches
      • Sprag Products
        • CSK Series
        • RMS RMT and RMI Clutches
        • RSCI Series
    • Stieber
      • Built In Products
        • AA
        • AE
        • AS
        • ASNU
        • DC
        • DC Races
        • NF
        • NFR
        • S200
      • Centrifugally Lift Off Sprags Freewheels
        • RDBK
        • RIZ and RINZ
        • RIZ ELG2
        • RIZ ESG2
        • RIZ G1G2 RIZ G2G7 and RINZ G5G5
        • RIZ G2G3 and RIZ G3G4
        • RSCI 180-300
        • RSCI 20-130
        • RSRV RSRT
        • RSXM
      • Combined Bearing Freewheel Products
        • ASK
        • CSK and CSK 2RS
        • CSK P
      • Custom Specific Solutions
      • Self Contained Freewheels
        • AL and ALP
        • AL F2D2 and AL F4D2
        • AL G
        • AL KEED2
        • AL KMSD2
        • ALP F7D7
        • AV
        • BC MA
        • CEUS
        • FS 750-1027 FSO 750-1027 and HPI 750
        • FSO 300-700 FSO-GR 300-700 HPI 300-700
        • GFR and GFRN
        • GFR F1F2 GFR F2F7 and GFRN F5F6
        • GFR F2F3 and GFR F3F4
        • RDBR-E
        • RSBW
        • SMZ
Boston Gear Helical Gearing
Helical Gears
Boston Gear Miter & Bevel Gears
Miter and Bevel Gears
Boston Gear Open Gearing Spur Gears and Gear Racks
Spur Gears and Rack
Boston Gear Open Gearing Worm Gears
Worms and Worm Gears
Altra Logo
© 2024 All rights reserved.
COMPANY
  • Company Overview
  • Locations
  • Terms & Conditions
  • Legal, Privacy Policy
  • Cookie Policy
  • Careers
  • Regal Rexnord
PRODUCTS
  • Couplings
  • Heavy Duty Clutches & Brakes
  • Limit Switches
  • Overrunning Clutches & Brakes
KEY MARKETS
  • Aerospace & Defense
  • Automotive
  • Farm & Agriculture
  • Food & Beverage
  • Material Handling
  • Medical & Mobility
  • Motion Control
  • Off/Highway Construction
  • Outdoor Power Equipment
  • Specialty Vehicle
  • Transportation

Follow Us

  • Facebook
  • Twitter
  • LinkedIn
  • YouTube