Bosch Rexroth R053371200
Ball transfer unit
Ball transfer units without felt seal – Size 12
KUM-A12-OFK
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Rexroth R053371200
Ball transfer unit with solid steel housing
Bright metal, balls made from anti-friction bearing steel
Size = 12
Without felt seal, preserved
With solid steel housing
Without collar
Very smooth running
Housing in bright metal
Galvanized cover
Balls made from antifriction bearing steel 1.3505
Without felt seal
| Nominal size [mm] | 12 |
| Dynamic load capacity C [N] | 250 |
| Maximum permissible linear speed vmax [m/s] | 2 |
| Note: Maximum permissible speed vmax | In case of prolonged periods of use at speeds above 1 m/s, an increase in temperature and reduction in service life needs to be reckoned with depending on the load. |
| Outer diameter D [mm] | 20 |
| Static load rating C0 [N] | 700 |
| Size dW [mm] | 12 |
| Size H [mm] | 16.5 |
| Operating temperature | -30 °C ... +100 °C |
| Footnote permissible operating temperature (min...max) | At temperatures above 100 °C, only bright metal ball transfer units without a felt seal should be used. Make allowance for reduction in load capacity. Use high-temperature lubricant! Follow the manufacturer’s instructions! The existing lubricant oil * |
| Minimum operating temperature [°C] | -30 |
| Maximum operating temperature [°C] | +100 |
| Productgroup ID | 17 |
| Footnote operating temperature max. | For temperatures over 100°C, only load balls made from bare metal without a felt seal may be used. Take into account the reduction in load capacity. Use high-temperature lubricant! Follow the instructions of the manufacturer! The existing lubricant o* |
| Weight [kg] | 0.029255 |
| Tolerance b | ±0.2 |
| Size D [mm] | 20 |
| Tolerance D [mm] | ±0.065 |
| Tolerance H | ±0.2 |
| Size h [mm] | 3 |
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