Bosch Rexroth R067221640
Super Linear Bushing
KBB-16-DD
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Rexroth R067221640
Super linear bushing
Super B (no self-alignment feature)
Closed
Shaft diameter d = 16
With two seals
Low-cost linear bushing for high requirements
Steel bearing plates with machined ball guide grooves and optimized ball lead-in chamfers for outstandingly smooth travel and a long service life
Without self-alignment feature for transferring lower tipping force along the axial direction
High travel speed (5 m/s)
Integrated wiper seals, external seals or no wiper seals
Ball retainer and outer sleeve made of PA or POM
Balls made of rolling bearing steel
No initial lubrication
| Shaft diameter d [mm] | 16 |
| Linear guide type | Linear bushing and shaft |
| Filter for linear bushings and shafts | Linear bushings |
| Format of linear bushings | – Closed |
| Series | Super B (no self-alignment feature) |
| Maximum dynamic load capacity Cmax [N] | 1400 |
| Max. acceleration amax [m/sІ] | 150 |
| Maximum permissible linear speed vmax [m/s] | 3 |
| Note: Maximum permissible speed vmax | Speeds of up to 5 m/s possible. Service life is limited by heightened wear to plastic parts. Tests have shown total travel from 50 • 105 m to 100 • 105 m without failure. |
| Outer diameter D [mm] | 26 |
| Permissible ambient temperature | -10 °C ... +80 °C |
| Friction coefficient ? | 0,001 ... 0,0025 |
| Footnote friction coefficient ? | Friction coefficients of unsealed linear bushings when lubricated with oil. The friction coefficient is lowest under heavy load, but can still be above the specified value even under a low load. |
| Footnote maximum static load capacity C0max | |
| Radial clearance shaft h6/bore K7 [µm] | +23,-5 |
| Radial clearance shaft/bore h6/H7 [µm] | +38,+10 |
| Permissible ambient temperature (max) [°C] | +80 |
| Rows of balls | 5 |
| Friction force FR footnote 2 | Frictional drags generated by linear bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. |
| Radial clearance shaft h6/bore M7 [µm] | +17,-11 |
| Productgroup ID | 17 |
| Permissible ambient temperature (min) [°C] | -10 |
| Breakaway force [N] | 2 |
| Friction coefficient ? max. | 0.0025 |
| Friction coefficient ? min. | 0.001 |
| Footnote friction force FR | 1. One wiper seal: Multiply value with factor 0.5 2. Frictional drags generated by linear bushings with integrated wiper seals on two sides when not under radial load. The frictional drags depend on speed and lubrication. |
| Friction force [N] | 1 |
| Footnote minimum dynamic load capacity Cmin | The dynamic load capacities are based on a total travel of 100,000 m. When based on 50,000 m, the C values in the table are to be multiplied by 1.26. |
| Footnote maximum dynamic load capacity Cmax | The dynamic load capacities are based on a total travel of 100,000 m. When based on 50,000 m, the C values in the table are to be multiplied by 1.26. |
| Footnote breakaway force | One wiper seal: Multiply value with factor 0.5 |
| Minimum static load capacity C0min [N] | 530 |
| Maximum static load capacity C0max [N] | 780 |
| Minimum dynamic load capacity Cmin [N] | 1020 |
| Footnote minimum static load capacity C0min | |
| Weight [kg] | 0.0339 |
| Size D [mm] | 26 |
| Size D1 [mm] | 24.9 |
| Size C h13 [mm] | 36 |
| Size C1 H13 [mm] | 24.6 |
| Size C2 [mm] | 1.3 |
| Size D1 with tolerance | 24.9 mm |
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