Bosch Rexroth R053214510
Ball transfer unit
KUF-B45-TF-MFG
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Rexroth R053214510
Spring-loaded ball transfer unit
Galvanized cover and housing, balls made from anti-friction bearing steel
Size = 45
Cup spring
With felt seal, lubricated
Spring-loaded
Ball transfer units are supported on springs and mounted under preload in a housing
Ball transfer unit recedes into its housing under high loads
Cover and housing galvanized
Balls made from antifriction bearing steel 1.3505
With cup springs (TF) or washer key (SF)
| Nominal size [mm] | 45 |
| Maximum permissible linear speed vmax [m/s] | 2 |
| Footnote for ultimate load | Under ultimate load the ball transfer unit recedes completely |
| 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 is to be expected depending on the load. |
| Outer diameter D [mm] | 85 |
| Size dW [mm] | 44.45 |
| Size H [mm] | 100.5 |
| 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 * |
| 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* |
| Maximum operating temperature [°C] | +100 |
| Minimum operating temperature [°C] | -30 |
| Tolerance for preload and ultimate load value 2 [%] | +15,-7.5 |
| Productgroup ID | 17 |
| Weight [kg] | 1.595 |
| Size a [mm] | 24.2 |
| Tolerance b | ±0.2 |
| Size D [mm] | 85 |
| Tolerance D [mm] | ±0.15 |
| Size D1 [mm] | 66.2 |
| Size h [mm] | 35.6 |
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