Bosch Rexroth BALL RUNNER BLOCK CARBON STEEL KWE-020-FNS-C1-N-1
The Compact Line ball runner block is precise and characterized by the following product features:. Size 20. Format FNS - flanged, normal, standard height. Runner block body made of unalloyed steel CS. Preload class C1: Low preload. Accuracy class N: Normal. Without ball chain. With initial lubrication and preservation. Runner block body in standard version. Overall length of the runner block = 75 mm. Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy
| Accuracy class | N - Normal |
|---|---|
| Ball chain | Without ball chain (standard) |
| Dimension A (profiled rail systems) [mm] | 63 |
| Dimension A1 (profiled rail systems) [mm] | 31.5 |
| Dimension A2 (profiled rail systems) [mm] | 20 |
| Dimension A3 (profiled rail systems) [mm] | 21.5 |
| Dimension B (profiled rail systems) [mm] | 75 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 49.6 |
| Dimension E1 [mm] | 53 |
| Dimension E2 [mm] | 40 |
| Dimension E8 (profiled rail systems) [mm] | 29 |
| Dimension E9 (profiled rail systems) [mm] | 10.15 |
| Dimension h [mm] | 30.0 |
| Dimension H1 (profiled rail systems) [mm] | 25.3 |
| Dimension H2 (profiled rail systems) [mm] | 17 |
| Dimension K1 (profiled rail systems) [mm] | 11.8 |
| Dimension K2 (profiled rail systems) [mm] | 11.8 |
| Dimension K3 (profiled rail systems) [mm] | 5.65 |
| Dimension K4 (profiled rail systems) [mm] | 5.65 |
| Dimension N1 (profiled rail systems) [mm] | 7.7 |
| Dimension N6 (profiled rail systems) [mm] | 10 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 5.3 |
| Dimension S2 (profiled rail systems) | M6 |
| Dimension S5 (profiled rail system) [mm] | 6 |
| Dimension S9 | M2,5x6 mm |
| Dimension S9 lead [mm] | 6 |
| Dimension S9 thread diameter (profiled rail systems) | M2,5 |
| Dimension t [mm] | 60 |
| Dimension T1 min [mm] | 13 |
| Dimension V1 [mm] | 6 |
| Dynamic load capacity C100 [N] | 14600.0 |
| Dynamic load capacity C50 [N] | 18400.0 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 130.0 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 160.0 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 150.0 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 190.0 |
| Format | FNS - flange, normal, standard height |
| Friction coefficient μ | 0.002 ... 0.003 |
| Height of guide rail H2 [mm] | 17.0 |
| Height of runner block [mm] | 25.3 |
| Height runner block with guide rail [mm] | 30.0 |
| Length of runner block [mm] | 75.0 |
| Lubrication | Pre-lubricated, preserved |
| Maximum acceleration rate amax [m/s²] | 500.0 |
| Maximum permissible linear speed vmax [m/s] | 5.0 |
| Model | Compact Line ball runner block |
| Nominal size [mm] | 20 |
| Note: dynamic load capacity C100 | Dynamic load capacities and load moments are based on a 100,000 m travel according to DIN ISO 14728-1. |
| Note: dynamic load capacity C50 | Dynamic load capacities and load moments are based on a 50,000 m travel according to DIN ISO 14728-1. |
| Note: Dynamic longitudinal moment load capacity ML100 | Dynamic load capacities and load moments are based on a 100,000 m travel according to DIN ISO 14728-1. |
| Note: Dynamic longitudinal moment load capacity ML50 | Dynamic load capacities and load moments are based on a 50,000 m travel according to DIN ISO 14728-1. |
| Note: Dynamic torsional moment load capacity Mt100 | Dynamic load capacities and load moments are based on a 100,000 m travel according to DIN ISO 14728-1. |
| Note: Dynamic torsional moment load capacity Mt50 | Dynamic load capacities and load moments are based on a 50,000 m travel according to DIN ISO 14728-1. |
| Note: friction coefficient μ | Friction coefficient µ without seal friction |
| Note: Max. acceleration amax | If F<sub>comb</sub>◡> 2.8 • F<sub>pr</sub> : a<sub>max</sub> = 50 m/s<sup>2</sup> |
| Note: permissible ambient temperature (min. ... max.) | 100 °C admissible for a short time. |
| Permissible ambient temperature (min. ... max.) | -10 °C ... +80 °C |
| Pitch T guide rail [mm] | 60 |
| Preload class | C1 - Low preload |
| Seal | SS - Standard seal |
| Static load capacity C0 [N] | 19600.0 |
| Static longitudinal moment load capacity ML0 [Nm] | 170 |
| Static torsional moment load capacity Mt0 [Nm] | 210 |
| Version | Ball rail system |
| Weight (Kg) | 0.44 |
| Width of runner block [mm] | 63.0 |
Frequently Asked Questions
How do I get pricing for R205A81420?
KKM Solutions is a quote-based industrial supplier, so prices are not listed online. Send the quote form on this page with your quantity, or email orderdesk@kkmsolutions.com, and our order desk will reply with pricing and availability within 1 business day.
Who manufactures the R205A81420?
R205A81420 is a Bosch Rexroth part. KKM Solutions sources Bosch Rexroth components to the exact manufacturer specification and cross-checks every order against manufacturer part data before it ships.
What are the key specifications of R205A81420?
Key specifications include Accuracy class: N - Normal; Ball chain: Without ball chain (standard); Dimension A (profiled rail systems) [mm]: 63; Dimension A1 (profiled rail systems) [mm]: 31.5. The full specification table on this page lists every published attribute for this part.
How quickly can R205A81420 ship?
In-stock items are dispatched the same business day for orders placed by 3 PM; sourced and quoted items ship per the quoted lead time. KKM Solutions ships worldwide — to your site, warehouse, or freight forwarder.
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