Bosch Rexroth R063202500
Standard Linear Bushing
KBM-O-25-DD
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Rexroth R063202500
Standard linear bushing
Standard (metal)
Open
Shaft diameter d = 25
With two seals
Design: normal"
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
Seal-free and with steel ball retainers for temperatures well above 80°C or under vacuum
With locating hole for axial and radial securing (no locating hole for shaft diameters 12 and 16)
Optional integrated wiper seals
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
Steel ball retainer
Balls made of rolling bearing steel
| Shaft diameter d [mm] | 25 |
| Filter for linear bushings and shafts | Linear bushings |
| Linear guide type | Linear bushing and shaft |
| Format of linear bushings | O – Open |
| Series | Standard (metal) |
| Dynamic load capacity C [N] | 2270 |
| Footnote dynamic load capacity C | The load capacities C and C0 apply for the main direction of loading. |
| Max. acceleration amax [m/sІ] | 100 |
| Maximum permissible linear speed vmax [m/s] | 2.5 |
| Outer diameter D [mm] | 40 |
| Static load rating C0 [N] | 1750 |
| Footnote static load capacity C0 | The load capacities C and C0 apply for the main direction of loading. |
| 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. |
| Version | Standard |
| Breakaway force [N] | 19 |
| Friction coefficient ? max. | 0.004 |
| Friction coefficient ? min. | 0.001 |
| Footnote friction force FR | One wiper seal: Multiply value with factor 0.5 |
| Friction force [N] | 7 |
| Footnote breakaway force | One wiper seal: Multiply value with factor 0.5 |
| Radial clearance shaft h6/bore K7 [µm] | +32,-1 |
| Radial clearance shaft/bore h6/H7 [µm] | +50,+17 |
| 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 |
| Rows of balls | 4 |
| Weight [kg] | 0.156 |
| Angle ? [°] | 60 |
| Size D [mm] | 40 |
| Size D1 [mm] | 38.5 |
| Size E [mm] | 12.5 |
| Size C h12 [mm] | 58 |
| Size C1 H13 [mm] | 43.7 |
| Size C2 [mm] | 1.85 |
| Size D1 with tolerance | 38.5 mm |
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