Shell-Type Roller Clutches
Unidirectional - Inch
- Specs
- Drawing
- How it works

• Case Hardened Steel Roller Cup
• 52100 Hardened Chrome Steel Needle Bearing
Features:
• Ideal for indexing, backstopping or overrunning operations
• Free rolling one way, drives in opposite direction
• Lightweight, low profile
• High indexing frequency, up to 4 CPS
• Temperature range, grease +50°F to +160°F (+10°C to +70°C)
• Minimum backlash
*Shaft surface hardness must be Rc 58 min.

What It Does Transmits torque load in one direction. Overruns freely in opposite direction. Either shaft or housing can be driving member. |
How It Works Rollers wedge between shaft and outer race. Positive wedging forces prevent slipping. Springs position rollers for instantaneous lock-up. |
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Catalog Number | Bearing Supports |
Bore | Clutch O.D. |
W Clutch Width +.000 -.010 |
Max. Torque lb. in. |
S* Recommended Shaft Dia. +.0000 -.0005 |
Housing Bore +.0010 -.0000 |
Shaft Rotating Overrun Speed Max. rpm |
Housing Rotating Overrun Speed Max. rpm |
---|---|---|---|---|---|---|---|---|---|
BCDHFZ-040708 | Without Bearing Supports | .2500 | .4375 | .500 | 18.6 | .2500 | .4370 | 21000 | 12000 |
BCDHFZ-061008 | Without Bearing Supports | .3750 | .6250 | .500 | 50.4 | .3750 | .6245 | 14000 | 12000 |
BCDHFZ-081208 | Without Bearing Supports | .5000 | .7500 | .500 | 85.9 | .5000 | .7495 | 11000 | 9000 |
RFQ - BCDHFZ-121410 | Without Bearing Supports | .6250 | .8750 | .625 | 175.2 | .6250 | .8745 | 8500 | 5000 |
RFQ - BCDHFZ-162110 | Without Bearing Supports | 1.0000 | 1.3130 | .625 | 442.5 | 1.0000 | 1.3120 | 5300 | 5000 |
BCDFLZ-061014 | With Bearing Supports | .3750 | .6250 | .875 | 50.4 | .3750 | .6245 | 14000 | 12000 |
BCDFLZ-101416 | With Bearing Supports | .6250 | .8750 | 1.000 | 175.2 | .6250 | .8745 | 8500 | 5000 |