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Tel: 0086-512-68235075
R205E22320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-025-SNH-C2-H-1
- Size 25
- Format SNH – slimline, normal, high
- Runner block body made of unalloyed steel CS
- Preload class C2: Medium 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 = 86.2 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R205E22320 Original Rexroth Linear Bearing Block Specifications
| Parameter | Value | Explanation |
|---|---|---|
| Nominal Size | 25 mm | Defines the standard size for compatibility with guide rails. |
| Length of Runner Block | 86.2 mm (3.39 in) | Overall length, ensuring proper fit in compact setups. |
| Width of Runner Block | 48 mm (1.89 in) | Width for stable mounting and load distribution. |
| Height of Runner Block | 34 mm (1.34 in) | Height tailored for size E applications. |
| Static Load Rating C0 | 30,600 N | Maximum load the block can withstand without movement. |
| Dynamic Load Capacity C | 21,800 N | Load capacity during motion, ensuring durability. |
| Dynamic Torsional Moment Load Capacity Mt | 270 Nm | Resistance to twisting forces during operation. |
| Dynamic Longitudinal Moment Load Capacity ML | 220 Nm | Capacity to handle longitudinal forces for stability. |
| Max. Acceleration amax | 250 m/s² | Maximum acceleration for dynamic applications. |
| Maximum Permissible Linear Speed vmax | 3 m/s | Top speed for efficient linear motion. |
| Friction Coefficient μ | 0.002 … 0.003 | Low friction for smooth operation and energy efficiency. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F) | Operating temperature range, with short-term tolerance up to 100 °C (212 °F). |
| Weight | 0.59 kg (1.3 lbs) | Lightweight for easy integration without sacrificing strength. |
| Preload Class | C2 – Average Preload | Ensures controlled stiffness for precise motion. |
| Accuracy Class | H – Highly Accurate | Guarantees minimal deviation in linear movement. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 25 |
| Format | SNH – slimline, normal, high |
| Preload class | C2 – Medium 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] | 86.2 |
| 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] | 21800 |
| Dynamic load capacity C100 [N] | 21800 |
| Maximum acceleration rate amax [m/s²] | 250 |
| 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] | 0.59 |
| Dynamic load capacity C50 [N] | 27500 |
| Static load capacity C0 [N] | 30600 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 340 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 270 |
| Static torsional moment load capacity Mt0 [Nm] | 380 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 280 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 220 |
| Static longitudinal moment load capacity ML0 [Nm] | 310 |
| 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] | 86.2 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 57.8 |
| Dimension E1 [mm] | 35 |
| Dimension E2 [mm] | 35 |
| 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] | 17.45 |
| Dimension K2 (profiled rail systems) [mm] | 17.5 |
| 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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