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Tel: 0086-512-68235075
R205C72320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-030-SNS-C2-H-1
- Size 30
- Format SNS – slimline, normal, standard height
- 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 = 97.7 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R205C72320 Original Rexroth Linear Bearing Block Parameters
| Parameter | Value | Explanation |
|---|---|---|
| Nominal Size | 30 | Refers to the size designation of the linear bearing block, critical for matching with compatible guide rails. |
| Length of Runner Block | 97.7 mm (3.85 in) | Total length of the block, affecting stability and load distribution. |
| Width of Runner Block | 60 mm (2.36 in) | Width dimension, ensuring fit in compact transverse spaces. |
| Height of Runner Block | 35.35 mm (1.39 in) | Height of the block, impacting vertical space requirements. |
| Static Load Rating C0 | 42,200 N | Maximum static load the block can withstand without deformation. |
| Dynamic Load Capacity C | 31,200 N | Maximum dynamic load during motion, indicating durability under operational stress. |
| Static Torsional Moment Load Capacity Mt0 | 640 Nm | Resistance to twisting forces, ensuring stability in high-torque applications. |
| Dynamic Torsional Moment Load Capacity Mt | 470 Nm | Ability to handle twisting forces during dynamic operations. |
| Maximum Acceleration amax | 250 m/s² | Maximum allowable acceleration, critical for high-speed applications. |
| Maximum Permissible Linear Speed vmax | 3 m/s | Top speed for linear motion, ensuring safe and efficient operation. |
| Friction Coefficient μ | 0.002 – 0.003 | Low friction for smooth motion and energy efficiency. |
| Permissible Ambient Temperature | -10°C to +80°C (14°F to 176°F) | Operating temperature range, suitable for varied environments. |
| Preload Class | C2 – Average Preload | Moderate preload for balanced rigidity and smooth motion. |
| Accuracy Class | H – Highly Accurate | Ensures high precision in positioning and movement. |
| Weight | 0.850 kg (1.87 lbs) | Lightweight design for ease of integration and reduced system load. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 30 |
| Format | SNS – slimline, normal, standard height |
| 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] | 60 |
| Length of runner block [mm] | 97.7 |
| Height of runner block [mm] | 35.35 |
| Height runner block with guide rail [mm] | 42 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C [N] | 31200 |
| Dynamic load capacity C100 [N] | 31200 |
| 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] | 0.85 |
| Dynamic load capacity C50 [N] | 39300 |
| Static load capacity C0 [N] | 42200 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 590 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 470 |
| Static torsional moment load capacity Mt0 [Nm] | 640 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 450 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 360 |
| Static longitudinal moment load capacity ML0 [Nm] | 490 |
| Pitch T guide rail [mm] | 80 |
| Dimension A (profiled rail systems) [mm] | 60 |
| Dimension A1 (profiled rail systems) [mm] | 30 |
| Dimension A2 (profiled rail systems) [mm] | 28 |
| Dimension A3 (profiled rail systems) [mm] | 16 |
| Dimension B (profiled rail systems) [mm] | 97.7 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 67.4 |
| Dimension E1 [mm] | 40 |
| Dimension E2 [mm] | 40 |
| Dimension E8 (profiled rail systems) [mm] | 42 |
| Dimension E9 (profiled rail systems) [mm] | 14.25 |
| Dimension H [mm] | 42 |
| Dimension H1 (profiled rail systems) [mm] | 35.35 |
| Dimension H2 (profiled rail systems) [mm] | 23 |
| Dimension K1 (profiled rail systems) [mm] | 20 |
| Dimension K2 (profiled rail systems) [mm] | 20.7 |
| Dimension K3 (profiled rail systems) [mm] | 7.25 |
| Dimension K4 (profiled rail systems) [mm] | 7.25 |
| Dimension N3 (profiled rail systems) [mm] | 12 |
| Dimension N6 (profiled rail systems) [mm] | 12 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M8 |
| Dimension S5 (profiled rail system) [mm] | 9 |
| Dimension S9 | M3x6.5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 6.5 |
| Dimension T [mm] | 80 |
| Dimension T1 min [mm] | 16 |
| Dimension V1 [mm] | 7 |
| Height of guide rail H2 [mm] | 23 |
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