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Tel: 0086-512-68235075
R205F21320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-025-SLH-C1-H-1
- Size 25
- Format SLH – slimline, long, high
- Runner block body made of unalloyed steel CS
- Preload class C1: Low preload
- Accuracy class H: Highly accurate
- Without ball chain
- With initial lubrication and preservation
- Runner block body in standard version
- Overall length of the runner block = 107.9 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R205F21320 Original Rexroth Linear Bearing Block Specifications
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 30 | Refers to the size designation of the linear bearing block, determining compatibility with guide rails. |
| Format | SLS – Slimline, Long, Standard Height | Describes the block’s compact width, extended length, and standard height for space-constrained applications. |
| Material | Carbon Steel | Unalloyed steel CS provides high strength and durability for demanding environments. |
| Width of Runner Block | 60 mm (2.36 inches) | Defines the block’s width, critical for fitting within system constraints. |
| Length of Runner Block | 119.7 mm (4.71 inches) | Extended length enhances stability and load distribution. |
| Height of Runner Block | 35.35 mm (1.39 inches) | Standard height ensures compatibility with various rail systems. |
| Static Load Rating C0 | 66900 N | Maximum load the block can withstand without movement, critical for stationary applications. |
| Dynamic Load Capacity C | 46000 N | Load capacity during motion, based on 100,000 m travel per DIN ISO 14728-1. |
| Dynamic Torsional Moment Load Capacity Mt | 800 Nm | Measures resistance to twisting forces, ensuring stability under torque. |
| Static Torsional Moment Load Capacity Mt0 | 1160 Nm | Maximum torsional load when stationary, vital for high-torque applications. |
| Dynamic Longitudinal Moment Load Capacity ML | 740 Nm | Resistance to longitudinal twisting during motion, enhancing dynamic stability. |
| Static Longitudinal Moment Load Capacity ML0 | 1080 Nm | Stationary longitudinal load resistance, ensuring system integrity. |
| Maximum Acceleration amax | 500 m/s² | Maximum acceleration the block can handle, critical for high-speed applications. |
| Maximum Permissible Linear Speed vmax | 5 m/s | Maximum speed for safe and reliable operation. |
| Friction Coefficient μ | 0.002 … 0.003 | Low friction ensures smooth motion and energy efficiency. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), up to 100 °C (212 °F) for short periods | Defines operational temperature range, ensuring performance in varied conditions. |
| Accuracy Class | H – Highly Accurate | High precision for applications requiring exact positioning. |
| Preload Class | C0 – Without Preload (Clearance) | Preload-free design reduces internal stresses, ideal for certain dynamic applications. |
| Seal | SS – Standard Seal | Protects internal components from contaminants, extending service life. |
| Lubrication | Initial Lubrication and Preservation with Dynalub | Ensures long-term performance with minimal maintenance. |
| Weight | 1.129 kg (2.49 lbs) | Lightweight for its class, facilitating easier integration and handling. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 25 |
| Format | SLH – slimline, long, high |
| Preload class | C1 – Low preload |
| Accuracy class | H – Highly accurate |
| Seal | SS – Standard seal |
| Ball chain | Without ball chain (standard) |
| Width of runner block [mm] | 48 |
| Length of runner block [mm] | 107.9 |
| Height of runner block [mm] | 34 |
| Height runner block with guide rail [mm] | 40 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C [N] | 28000 |
| Dynamic load capacity C100 [N] | 28000 |
| Maximum acceleration rate amax [m/s²] | 250 |
| Note: Max. acceleration amax | If Fcomb◡> 2.8 • Fpr : amax = 50 m/s2 |
| Maximum permissible linear speed vmax [m/s] | 3 |
| Permissible ambient temperature (min. … max.) | -10 °C … +80 °C |
| Note: permissible ambient temperature (min. … max.) | 100 °C admissible for short time. |
| Friction coefficient μ | 0.002 … 0.003 |
| Note: friction coefficient μ | Friction coefficient µ without seal friction |
| Weight [kg] | 0.79 |
| Dynamic load capacity C50 [N] | 35300 |
| Static load capacity C0 [N] | 44200 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 440 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 350 |
| Static torsional moment load capacity Mt0 [Nm] | 550 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 490 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 390 |
| Static longitudinal moment load capacity ML0 [Nm] | 620 |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 48 |
| Dimension A1 (profiled rail systems) [mm] | 24 |
| Dimension A2 (profiled rail systems) [mm] | 23 |
| Dimension A3 (profiled rail systems) [mm] | 12.5 |
| Dimension B (profiled rail systems) [mm] | 107.9 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 79.5 |
| Dimension E1 [mm] | 35 |
| Dimension E2 [mm] | 50 |
| Dimension E8 (profiled rail systems) [mm] | 33 |
| Dimension E9 (profiled rail systems) [mm] | 17 |
| Dimension H [mm] | 40 |
| Dimension H1 (profiled rail systems) [mm] | 34 |
| Dimension H2 (profiled rail systems) [mm] | 20 |
| Dimension K1 (profiled rail systems) [mm] | 20.8 |
| Dimension K2 (profiled rail systems) [mm] | 20.85 |
| Dimension K3 (profiled rail systems) [mm] | 11 |
| Dimension K4 (profiled rail systems) [mm] | 11 |
| Dimension N3 (profiled rail systems) [mm] | 9 |
| Dimension N6 (profiled rail systems) [mm] | 11.3 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M6 |
| Dimension S5 (profiled rail system) [mm] | 7 |
| Dimension S9 | M3x6.5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 6.5 |
| Dimension T [mm] | 60 |
| Dimension T1 min [mm] | 13 |
| Dimension V1 [mm] | 7.5 |
| Height of guide rail H2 [mm] | 20 |
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