Bosch Rexroth R18512322X
Roller Runner
ROLLER RUNNER BLOCK CARBON STEEL RWD-025-FNS-C3-P-2
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Rexroth R18512322X
Roller Runner
High torque load capacity
The same high load ratings in all four main directions of loading
Maximum rigidity in all load directions due to additional screw connections on two bore holes in the center of the Roller Runner Block
Unrestricted interchangeability
All guide rail versions can be combined at will with all roller runner block variants
Accessories can be screwed down to the front of the Roller Runner Block.
Lube nipples possible on all sides for easy maintenance
Minimum lubrication quantities thanks to innovative channel design
Smooth, quiet running thanks to optimally designed return and guideways of the rollers
Attachments on the Roller Runner Block can be mounted from above and below
Lowest elastic deflection and greatest precision in the process due to the multi-optimized entry-zone geometry and high number of rollers
The roller runner block is simply slid onto the rail with the transport lock.
Integrated all-around sealing as standard
Sizes 25 and 65
Preload classes C1 to C5
Version with seals DS, SS or AS
| Runner block or guide rail | Runner block |
| Linear guide type | Roller rail system |
| Nominal size [mm] | 25 |
| Format | FNS - flanged, normal, standard height |
| Ball chain | Without roller chain |
| Material (profiled rail systems) | Carbon steel |
| Preload force [N] | 3640 |
| Preload class | C3 – High preload |
| Accuracy class | P - Precise |
| Self-aligning for compensation of misalignments | Without self-alignment |
| Width of runner block [mm] | 70 |
| Length of runner block [mm] | 97 |
| Height of runner block [mm] | 30 |
| Height of runner block with guide rail [mm] | 36 |
| Lubrication | With preservation and without initial lubrication |
| Dynamic load capacity C [N] | 26900 |
| Footnote dynamic load capacity C | Determination of the dynamic load capacities and load moments is based on a 100,000 m travel as per DIN ISO 14728-1. Often only 50,000 m are actually stipulated. For comparison: Multiply values C, Mt and ML from the table by 1.23. |
| Dynamic torsional moment load capacity Mt footnote | Determination of the dynamic load capacities and load moments is based on a 100,000 m travel as per DIN ISO 14728-1. Often only 50,000 m are actually stipulated. For comparison: Multiply values C, Mt and ML from the table by 1.23. |
| Static longitudinal moment load capacity ML0 [Nm] | 580 |
| Static torsional moment load capacity Mt0 [Nm] | 770 |
| Max. acceleration amax [m/sІ] | 150 |
| Note: Max. acceleration amax | Prerequisite: There must be preload, even during operation under load. |
| Maximum permissible linear speed vmax [m/s] | 4 |
| Dynamic torsional moment load capacity Mt [Nm] | 348 |
| Dynamic longitudinal moment load capacity ML [Nm] | 260 |
| Dynamic longitudinal moment load capacity ML footnote | Determination of the dynamic load capacities and load moments is based on a 100,000 m travel as per DIN ISO 14728-1. Often only 50,000 m are actually stipulated. For comparison: Multiply values C, Mt and ML from the table by 1.23. |
| Seal | DS – double-lip seal |
| Static load rating C0 [N] | 59500 |
| Permissible ambient temperature | -10 °C ... +80 °C |
| Footnote permissible ambient temperature (min ... max) | Brief peaks up to 100 °C are permitted. For even lower sub-zero temperatures, please consult us. |
| Friction coefficient ? | 0,0004 ... 0,001 |
| Footnote friction coefficient ? | Without friction of seal |
| Friction coefficient ? max. | 0.001 |
| Friction force [N] | 30 |
| Friction coefficient ? min. | 0.0004 |
| Footnote friction force FR | Guideline value for frictional drags of the complete, sealed and lubricated roller runner blocks. |
| Version | Roller rail systems |
| Permissible ambient temperature (max) [°C] | +80 |
| Productgroup ID | 17 |
| Permissible ambient temperature (min) [°C] | -10 |
| Pitch T guide rail [mm] | 30 |
| Weight [kg] | 0.730 |
| Size A (profiled rail systems) [mm] | 70 |
| Size A1 (profiled rail systems) [mm] | 35 |
| Size A2 (profiled rail systems) [mm] | 23 |
| Size A3 (profiled rail systems) [mm] | 23.5 |
| Size B (profiled rail systems) [mm] | 97 |
| Size B1 [mm] | 63.5 |
| Size E1 (profiled rail systems) [mm] | 57 |
| Size E2 (profiled rail systems) [mm] | 45 |
| Size E3 (profiled rail systems) [mm] | 40 |
| Size E8 (profiled rail systems) [mm] | 33.4 |
| Size E9 (profiled rail systems) [mm] | 8.3 |
| Size H (profiled rail system) [mm] | 36 |
| Size H1 (profiled rail systems) [mm] | 30 |
| Size H2 with cover strip (profiled rail systems) [mm] | 23.6 |
| Size H2 with cover strip (profiled rail systems) [mm] | 23.4 |
| Size K1 (profiled rail systems) [mm] | 14.05 |
| Size N1 (profiled rail systems) [mm] | 9 |
| Size N2 (profiled rail systems) [mm] | 7.3 |
| Size N6 (profiled rail systems) [mm] | 14.3 |
| Size N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Size N6 with tolerance (profiled rail systems) | 14,3 mm ±0,5 |
| Size S2 (profiled rail systems) | M8 |
| Size diameter S5 (profiled rail systems) | 7 |
| Size S9 thread diameter (profiled rail systems) | M3 |
| Footnote of size T (profiled rail systems) | Dimension T = Division of the Roller Guide Rail |
| Size T1 min (profiled rail systems) [mm] | 13 |
| Size V1 [mm] | 7.5 |
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