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Cam Clutch products are designed to transmit torque in one direction of rotation, and overrun (freewheel) in the opposite direction of rotation. In backstop applications, the clutches are used to prevent reverse rotation of drive shafts, which may cause damage to machinery and other expensive equipment. With the outer race of the clutch anchored stationary, the inner race can overrun freely in one direction of rotation. Reverse rotation is instantaneously prevented by the automatic engagement of the clutch. TFS series clutch is designed for press fit installation. TFS has two vertical keyways on the outer race. Outside dimensions are the same as series 63 ball bearings. This design provides easy handling and installation, ideal for general applications.
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| Product properties | |
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| Brand | Tsubaki |
| Category | Backstops & Clutches |
| Outside Diameter (mm) | 150.0 |
| Series | TFS |
| Size | TFS70 |
| Number of Keyways | 1 |
| Sealing | Open |
| Torque Capacity (Nm) | 2514 |
| Drag Torque (Nm) | 0.91 |
| Bore Diameter (mm) | 70.0 |
| Internal Keyway (mm) | 20 x 2.7 |
| External Keyway Knotch (mm) | 20 x 6.9 |
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