Bosch Rexroth R074052000
Flange Linear Bushing
KBMF-20-DD
- Overview
- Comments
Rexroth R074052000
Flange linear bushing
Standard (metal)
Flange
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
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.
Integrated wiper seals
Hardened and ground outer sleeve
POM ball retainer
Balls made of rolling bearing steel
| Shaft diameter d [mm] | 20 |
| Linear guide type | Linear bushing and shaft |
| Filter for linear bushings and shafts | Linear bushings |
| Format of linear bushings | F – Flange |
| Series | Standard (metal) |
| Maximum dynamic load capacity Cmax [N] | 800 |
| 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. |
| Version | Standard |
| Breakaway force [N] | 12 |
| 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. |
| Minimum static load capacity C0min [N] | 860 |
| Maximum static load capacity C0max [N] | 1250 |
| Minimum dynamic load capacity Cmin [N] | 680 |
| Footnote minimum static load capacity C0min | |
| Footnote maximum static load capacity C0max | |
| Permissible ambient temperature (max) [°C] | +80 |
| Permissible ambient temperature (min) [°C] | -10 |
| Productgroup ID | 17 |
| Rows of balls | 5 |
| 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 | 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] | 4 |
| Weight [kg] | 0.152 |
| Size D [mm] | 32 |
| Size D1 [mm] | 54 |
| Size D2 [mm] | 43 |
| Size B [mm] | 42 |
| Size L | 45 |
| Size L1 | 8 |
| Size D1 with tolerance | 54 mm |
| Size L with tolerance | 45 mm ±0,3 |
| Size V [mm] | 5.1 |
| Size S [mm] | 5.5 |
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