Bosch Rexroth R060202010
Standard Linear Bushing
KBM-20-DD
- Overview
- Comments
Rexroth R060202010
Standard linear bushing
Standard (metal)
Closed
Shaft diameter d = 20
With two seals
Version: Standard
Rugged all-metal design with steel ball retainer for harsh environments and heavy contamination
Many pockets acting as lubricant reservoirs for extended lubrication intervals or lubrication for life
Steel ball retainer (shaft diameters 3, 4 and 10 with plastic strip made of POM and shaft diameters 5 and 8 made of PA)
Closed, for self-supporting shafts
Balls made of rolling bearing steel
For use in woodworking, foundries, cement plants
Pockets collect any dirt that may have worked its way in to prevent the linear bushing from jamming.
No wiper seals, come with integrated steel retaining rings- higher temperatures allowed with shaft diameters 12 and higher
Hardened and ground outer sleeve
| Shaft diameter d [mm] | 20 |
| Linear guide type | Linear bushing and shaft |
| Filter for linear bushings and shafts | Linear bushings |
| Format of linear bushings | – Closed |
| Series | Standard (metal) |
| Maximum dynamic load capacity Cmax [N] | 1390 |
| Max. acceleration amax [m/sІ] | 100 |
| Maximum permissible linear speed vmax [m/s] | 2.5 |
| Outer diameter D [mm] | 32 |
| Permissible ambient temperature | -10 °C ... +80 °C |
| Footnote permissible ambient temperature (min ... max) | Higher temperatures are only admissible at linear bushings without wiper seals with ball retainers made of steel. Make allowance for reductions in load capacity. |
| Friction coefficient ? | 0,001 ... 0,004 |
| 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 minimum static load capacity C0min | |
| Footnote maximum static load capacity C0max | |
| Permissible ambient temperature (max) [°C] | +80 |
| Permissible ambient temperature (min) [°C] | -10 |
| 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. |
| Productgroup ID | 17 |
| Version | Standard |
| Breakaway force [N] | 12 |
| Friction coefficient ? max. | 0.004 |
| Friction coefficient ? min. | 0.001 |
| Footnote shaft radial clearance h6 | Determined from working bore diameter and shaft tolerance statistics. Recommended housing bore tolerance: H6 or H7. |
| Footnote friction force FR | One wiper seal: Multiply value with factor 0.5 |
| Friction force [N] | 4 |
| 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] | 860 |
| Maximum static load capacity C0max [N] | 1250 |
| Minimum dynamic load capacity Cmin [N] | 1170 |
| Rows of balls | 5 |
| Weight [kg] | 0.0953 |
| Size D [mm] | 32 |
| Size D1 [mm] | 30.5 |
| Size C h12 [mm] | 45 |
| Size C1 H13 [mm] | 31.2 |
| Size C2 [mm] | 1.6 |
| Size D1 with tolerance | 30.5 mm |
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