Bosch Rexroth R053010810
Ball transfer unit
Ball transfer units without felt seal – Size 8
KU-B8-OFK
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Ball Transfer roller
Rexroth R053010810
Ball transfer unit
Galvanized cover and housing, balls made from anti-friction bearing steel
Size = 8
Without felt seal, preserved
With sheet steel housing
Extremely small ball transfer unit
For general applications
Cover and housing galvanized
Balls made from antifriction bearing steel 1.3505
| Nominal size [mm] | 8 |
| Dynamic load capacity C [N] | 130 |
| 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] | 12.6 |
| Static load rating C0 [N] | 250 |
| Size dW [mm] | 7.938 |
| Size H [mm] | 11.2 |
| 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 * |
| Product information | Without felt seal |
| Maximum operating temperature [°C] | +100 |
| Minimum operating temperature [°C] | -30 |
| 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] | 0.0068 |
| Size a [mm] | 1.9 |
| Size b [mm] | 3.2 |
| Size D [mm] | 12.6 |
| Tolerance D [mm] | ±0.055 |
| Size D1 [mm] | 17 |
| Size h [mm] | 4.8 |
| Tolerance h | ±0.15 |
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