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PB3 Holdback Bearing Cam Clutch One Way Bearing
Features of cam clutch PB
1. Concentricities of the inner race and the outer race are maintained by the plain bearing located between the outer race and the shaft. Radial load which works on the outer race is also supported by this plain bearing. The shaft must therefore be extended through the clutch outer race end.
2. Specify right (RH) or left hand (LH) inner race drive viewed from the end marked by the arrow in the illustration Above.Check if the rotation of the clutch is correct before being run-in.
3. Key to be used should be in accordance with JIS B1301-1959
4.The bore of the driven member, such as the sprocket on the clutch outer race, should meet H6 or H7 tolerance of the JIS standard.
5. For indexing use, oil lubrication is recommended.
Product name | bearings cam clutch |
Model | PB3 |
Material | GCr15 |
Inner diameter | 10mm |
Outer diameter | 50mm |
Thickness | 50mm |
Weight | 0.23kg |
Package | Carton Box / Wooden box, white tube, etc |
Payment terms | TT. L/C, D/A,D/P,Western Union |
Delivery time | 2-4 days for the sample, 7 days for big order |
Catalogue of bearings PB for your choice

| Max. | Bore Size | Outer Race | Lubrication | |||||||||||||||
| Torque | Drag | Overrunning | Max. | Keyway | Filler Plug | |||||||||||||
| Model | Capacity | Torque | (r/min) | indexing | A | B | C | D | E | F | Weight | SizexPitch | ||||||
| (N/m) | (N/m) | Inner Race | Outer Race | (cycle/min) | Dia. | Keyway | (h7) | G | K | L | (kg) | |||||||
| (J7) | ||||||||||||||||||
| PB 3 | 29.4 | 0.2 | 1,800 | 900 | 150 | 10 | 4x1.5 | 50 | 50 | 23 | 22 | 25 | 21 | 25.7 | 4× 2.5 | 16 | 0.23 | M6× P1.0 |
| PB 5 | 147 | 0.2 | 1,800 | 900 | 150 | 16 | 5x2 | 70 | 60 | 32 | 32 | 35 | 25 | 38.8 | 5× 3.0 | 20 | 0.58 | M6× P1.0 |
| PB 6 | 382 | 0.2 | 1,500 | 800 | 150 | 20 | 5x2 | 82 | 73 | 38 | 38 | 37 | 33 | 41 | 5× 3.0 | 27 | 1.1 | M6× P1.0 |
| PB 8 | 568 | 0.29 | 1,200 | 650 | 150 | 25 | 7x3 | 85 | 83 | 45 | 40 | 45 | 33 | 42 | 7× 4.0 | 27 | 1.6 | M6× P1.0 |
| PB 10 | 843 | 0.39 | 1,000 | 400 | 150 | 31.5 | 10x3.5 | 92 | 95 | 60 | 41 | 56 | 37 | 44 | 10 × 4.5 | 28 | 2.5 | M6× P1.0 |
| PB 12 | 1530 | 0.39 | 800 | 300 | 150 | 40 | 10x3.5 | 100 | 113 | 65 | 50 | 66 | 37 | 52.6 | 10 × 4.5 | 29 | 3.6 | M6× P1.0 |
| PB 14 | 2110 | 0.59 | 700 | 300 | 150 | 45 | 12x3.5 | 112 | 133 | 75 | 54 | 76 | 41 | 57.3 | 12 × 4.5 | 30 | 6 | M6× P1.0 |



Changzhou Suma Precision Machinery Co., Ltd(Changzhou Tianniu Clutch Factory)is a manufacturer specialized in Producing Various cam clutch, one way bearing, one way clutch, backstop clutch, overrunning clutch and other bearings with high technology.

We are following "Best Quality, Best Price, Fast Delivery, Best Serves" to make all of our old and new customers satisfied.


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