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GMN Bearing USA

GMN Bearing USA

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High Torque One-Way Bearings

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Already know the one-way bearing specs you need? Send them to us and we’ll send you back our pricing & availability… Fast!

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GMN Complete sprag clutch unit with inner ring keyway.
Complete Sprag Clutch Unit, Press fit Inner and Outer Ring | GMN Bearing USA
Complete Sprag Clutch Unit with Mounting Tab | GMN Bearing USA

GMN Complete Sprag Clutch: Designed for High-Torque Applications

Stats at a Glance

Operating Temp: 212°F (100°C) or 284°F (140°C)
Torque: 60 to 588 Nm
RPM: 1,000 to 10,100
Seal Options: Rubber Seals or No Seals
Lubrication: Oil or Grease
Width: 27 or 34 mm
Bore (ID) Sizes: 10 to 60 mm
Inner Ring Options: Press fit or Keyway
OD Size Range: 31 to 110 mm
Outer Ring Options: Press fit, Outer groove, Mounting tab

Find the Right One-Way Bearing

If you don’t know the difference between all our complete clutch units (FPD, FND, RA, FP and FN) we can help.

Answer these two questions to find the high torque one-way bearing that’s best for your application.

P.S. You can skip this & contact an engineer to find the right clutch.

1. Do You Need an Inner Ring Keyway?

If Yes! Then check out these products:

  • FND Series: RPM: 1,000 to 1,700 | Torque: 161 to 588 Nm (comes w/ seals & keyway)
  • FN Series: RPM: 2,500 to 4,800 | Torque: 160 to 588 Nm (no seals)
  • RA Series: RPM: 1,000 to 1,700 | Torque: 161 to 543 Nm (w/ mounting tab)

Our inner ring keyway is designed for a light press fit to support torque transfer.

GMN Complete sprag clutch unit with inner ring keyway.
Example of an inner ring keyway

2. Do You Need Rubber Seals?

If Yes! Then check out these products:

  • FPD Series: RPM: 1,000 to 2,000 | Torque: 84 to 588 Nm (no keyway)
  • FND Series: RPM: 1,000 to 1,700 | Torque: 161 to 588 Nm (comes w/ seals & keyway)

Effective round, rubber seals protect the one-way clutch bearing from external contamination and keep oil inside.

GMN Rubber Sealed Clutch Bearing
Example of a sealed clutch bearing

3. No Keyway & No Rubber Seals?

No keyway and no seals, the fp series from GMN Bearing USA
The FP Series

If this is you, then check out this product:

  • FP Series: RPM: 2,500 to 10,100 | Torque: 53 to 588 Nm

Match Your Requirements to the Right High Torque One-Way Bearing

If you’re still not sure which clutch is right for you contact an engineer.

  • No Keyway + Yes Seals: FPD Clutches
  • No Keyway + No Seals: FP Clutches
  • Yes Keyway + Yes Seals: FND Clutches
  • Yes Keyway + No Seals: FN Clutches
  • Yes Keyway + Yes Mounting Tab: RA Clutches

FPD One-Way Sprag Clutch Bearing

SlugGMN SeriesPart NoSpring
Type
Inner
Diameter
d [mm]
Outer
Diameter
D [mm]
Width
b [mm]
Torque
M [Nm]
sc-fpd-427-z-complete-freewheel-clutchFPD427 ZTension15313484
sc-fpd-432-z-complete-freewheel-clutchFPD432 ZTension203634121
sc-fpd-437-z-complete-freewheel-clutchFPD437 ZTension254134160
sc-fpd-442-z-complete-freewheel-clutchFPD442 ZTension304634208
sc-fpd-448-z-complete-freewheel-clutchFPD448 ZTension355334262
sc-fpd-453-z-complete-freewheel-clutchFPD453 ZTension405834314
sc-fpd-463-z-complete-freewheel-clutchFPD463 ZTension506834428
sc-fpd-473-z-complete-freewheel-clutchFPD473 ZTension607834543
sc-fpd-427-m-complete-freewheel-clutchFPD427 MMeander15313494
sc-fpd-432-m-complete-freewheel-clutchFPD432 MMeander203634133
sc-fpd-437-m-complete-freewheel-clutchFPD437 MMeander254134176
sc-fpd-442-m-complete-freewheel-clutchFPD442 MMeander304634223
sc-fpd-448-m-complete-freewheel-clutchFPD448 MMeander355334286
sc-fpd-453-m-complete-freewheel-clutchFPD453 MMeander405834343
sc-fpd-463-m-complete-freewheel-clutchFPD463 MMeander506834461
sc-fpd-473-m-complete-freewheel-clutchFPD473 MMeander607834588
Get Price & Availability

FP One-Way Sprag Clutch Bearing

SlugGMN SeriesPart NoSpring
Type
Inner
Diameter
d [mm]
Outer
Diameter
D [mm]
Width
b [mm]
Torque
M [Nm]
sc-fp-422-z-complete-freewheel-clutchFP422 ZTension10262753
sc-fp-427-z-complete-freewheel-clutchFP427 ZTension15312784
sc-fp-432-z-complete-freewheel-clutchFP432 ZTension203627121
sc-fp-437-z-complete-freewheel-clutchFP437 ZTension254127160
sc-fp-442-z-complete-freewheel-clutchFP442 ZTension304627208
sc-fp-448-z-complete-freewheel-clutchFP448 ZTension355327262
sc-fp-453-z-complete-freewheel-clutchFP453 ZTension405827314
sc-fp-463-z-complete-freewheel-clutchFP463 ZTension506827428
sc-fp-473-z-complete-freewheel-clutchFP473 ZTension607827543
sc-fp-422-m-complete-freewheel-clutchFP422 MMeander10262760
sc-fp-427-m-complete-freewheel-clutchFP427 MMeander15312794
sc-fp-432-m-complete-freewheel-clutchFP432 MMeander203627133
sc-fp-437-m-complete-freewheel-clutchFP437 MMeander254127176
sc-fp-442-m-complete-freewheel-clutchFP442 MMeander304627223
sc-fp-448-m-complete-freewheel-clutchFP448 MMeander355327286
sc-fp-453-m-complete-freewheel-clutchFP453 MMeander405827343
sc-fp-463-m-complete-freewheel-clutchFP463 MMeander506827461
sc-fp-473-m-complete-freewheel-clutchFP473 MMeander607827588
Get Price & Availability

FND One-Way Sprag Clutch Bearing

SlugGMN SeriesPart NoSpring
Type
Inner
Diameter
d [mm]
Outer
Diameter
D [mm]
Width
b [mm]
Torque
M [Nm]
sc-fnd-437-z-complete-freewheel-clutchFND437 ZTension154134161
sc-fnd-442-z-complete-freewheel-clutchFND442 ZTension204634208
sc-fnd-453-z-complete-freewheel-clutchFND453 ZTension255834314
sc-fnd-459-z-complete-freewheel-clutchFND459 ZTension306434381
sc-fnd-463-z-complete-freewheel-clutchFND463 ZTension356834428
sc-fnd-470-z-complete-freewheel-clutchFND470 ZTension407534509
sc-fnd-473-z-complete-freewheel-clutchFND473 ZTension457834543
sc-fnd-437-m-complete-freewheel-clutchFND437 MMeander154134176
sc-fnd-442-m-complete-freewheel-clutchFND442 MMeander204634223
sc-fnd-453-m-complete-freewheel-clutchFND453 MMeander255834343
sc-fnd-459-m-complete-freewheel-clutchFND459 MMeander306434411
sc-fnd-463-m-complete-freewheel-clutchFND463 MMeander356834462
sc-fnd-470-m-complete-freewheel-clutchFND470 MMeander407534550
sc-fnd-473-m-complete-freewheel-clutchFND473 MMeander457834588
Get Price & Availability

FN One-Way Sprag Clutch Bearing

SlugGMN SeriesPart NoSpring
Type
Inner
Diameter
d [mm]
Outer
Diameter
D [mm]
Width
b [mm]
Torque
M [Nm]
sc-fn-437-z-complete-freewheel-clutchFN437 ZTension154127160
sc-fn-442-z-complete-freewheel-clutchFN442 ZTension204627208
sc-fn-453-z-complete-freewheel-clutchFN453 ZTension255827314
sc-fn-459-z-complete-freewheel-clutchFN459 ZTension306427381
sc-fn-463-z-complete-freewheel-clutchFN463 ZTension356827427
sc-fn-470-z-complete-freewheel-clutchFN470 ZTension407527509
sc-fn-473-z-complete-freewheel-clutchFN473 ZTension457827544
sc-fn-437-m-complete-freewheel-clutchFN437 MMeander154127176
sc-fn-442-m-complete-freewheel-clutchFN442 MMeander204627223
sc-fn-453-m-complete-freewheel-clutchFN453 MMeander255827343
sc-fn-459-m-complete-freewheel-clutchFN459 MMeander306427411
sc-fn-463-m-complete-freewheel-clutchFN463 MMeander356827461
sc-fn-470-m-complete-freewheel-clutchFN470 MMeander407527550
sc-fn-473-m-complete-freewheel-clutchFN473 MMeander457827588
Get Price & Availability

RA One-Way Sprag Clutch Bearing

RA Complete Sprag Clutch Series

SlugGMN SeriesPart NoShaft
Diameter (d)
[mm]
Outer
Diameter (D)
[mm]
Width (b)
[mm]
Torque (M)
[Nm]
sc-ra-437-z-complete-freewheel-clutchRA437 Z15655161
sc-ra-442-z-complete-freewheel-clutchRA442 Z20756208
sc-ra-453-z-complete-freewheel-clutchRA453 Z25908314
sc-ra-459-z-complete-freewheel-clutchRA459 Z301008381
sc-ra-463-z-complete-freewheel-clutchRA463 Z3510010428
sc-ra-470-z-complete-freewheel-clutchRA470 Z4011012509
sc-ra-473-z-complete-freewheel-clutchRA473 Z4511014543
Get Price & Availability

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We provide GMN precision bearings, sprag clutches and non-contact seals to OEMs, spindle rebuilders and distributors in North America.
 

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