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R205E42320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-045-SNH-C2-H-1
- Size 45
- 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 = 137.5 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R205E42320 Original Rexroth Linear Bearing Block Specifications
The R205E42320 linear motion block is engineered with precise technical attributes to meet stringent industrial standards. Below is a detailed comparison of its key parameters:
| Parameter | Value | Explanation |
|---|---|---|
| Nominal Size | 45 | Indicates compatibility with Size 45 profiled rail systems for standardized integration. |
| Height of Runner Block | 60.3 mm (2.37 in) | Total height, ensuring fit in compact setups with precise vertical alignment. |
| Length of Runner Block | 137.5 mm (5.41 in) | Overall length, accommodating various installation requirements. |
| Width of Runner Block | 86 mm (3.39 in) | Width for stable mounting and load distribution. |
| Static Load Rating C0 | 83,000 N | Maximum static load capacity, ensuring stability under heavy loads. |
| Dynamic Load Capacity C | 62,000 N | Load capacity during motion, supporting dynamic industrial applications. |
| Static Torsional Moment Load Capacity Mt0 | 1,930 Nm | Resistance to twisting forces, enhancing structural integrity. |
| Dynamic Torsional Moment Load Capacity Mt100 | 1,420 Nm | Torsional resistance during operation, ensuring consistent performance. |
| Maximum Acceleration amax | 250 m/s² | Supports high-speed applications without compromising stability. |
| Maximum Permissible Linear Speed vmax | 3 m/s | Ensures efficient motion in fast-paced environments. |
| Friction Coefficient μ | 0.002–0.003 | Low friction for smooth, energy-efficient operation. |
| Preload Force | 4,030 N | Medium preload (C2) for balanced rigidity and motion control. |
| Weight | 3.03 kg (6.68 lb) | Lightweight yet robust, easing installation and handling. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 45 |
| 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] | 86 |
| Length of runner block [mm] | 137.5 |
| Height of runner block [mm] | 60.3 |
| Height runner block with guide rail [mm] | 70 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C [N] | 62000 |
| Dynamic load capacity C100 [N] | 62000 |
| 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] | 3.03 |
| Dynamic load capacity C50 [N] | 78100 |
| Static load capacity C0 [N] | 83000 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 1790 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 1420 |
| Static torsional moment load capacity Mt0 [Nm] | 1930 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 1320 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 1050 |
| Static longitudinal moment load capacity ML0 [Nm] | 1420 |
| Pitch T guide rail [mm] | 105 |
| Dimension A (profiled rail systems) [mm] | 86 |
| Dimension A1 (profiled rail systems) [mm] | 43 |
| Dimension A2 (profiled rail systems) [mm] | 45 |
| Dimension A3 (profiled rail systems) [mm] | 20.5 |
| Dimension B (profiled rail systems) [mm] | 137.5 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 97 |
| Dimension E1 [mm] | 60 |
| Dimension E2 [mm] | 60 |
| Dimension E8 (profiled rail systems) [mm] | 61 |
| Dimension E9 (profiled rail systems) [mm] | 29.5 |
| Dimension H [mm] | 70 |
| Dimension H1 (profiled rail systems) [mm] | 60.3 |
| Dimension H2 (profiled rail systems) [mm] | 33 |
| Dimension K1 (profiled rail systems) [mm] | 27.3 |
| Dimension K2 (profiled rail systems) [mm] | 29.5 |
| Dimension K3 (profiled rail systems) [mm] | 20.5 |
| Dimension K4 (profiled rail systems) [mm] | 20.5 |
| Dimension N3 (profiled rail systems) [mm] | 18 |
| Dimension N6 (profiled rail systems) [mm] | 17 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M10 |
| Dimension S5 (profiled rail system) [mm] | 14 |
| Dimension S9 | M3x6.5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 6.5 |
| Dimension T [mm] | 105 |
| Dimension T1 min [mm] | 18 |
| Dimension V1 [mm] | 10 |
| Height of guide rail H2 [mm] | 33 |
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