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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R205D72320 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.
R205D72320 Original Rexroth Linear Bearing Block Specifications
| Parameter | Value | Explanation |
|---|---|---|
| Nominal Size | 30 | Indicates the size category for compatibility with profiled rail systems. |
| Height of Runner Block | 35.35 mm (1.39 in) | Height of the block, critical for system integration and clearance. |
| Length of Runner Block | 119.7 mm (4.71 in) | Overall length, affecting mounting and rail compatibility. |
| Width of Runner Block | 60 mm (2.36 in) | Width dimension for fitting in constrained spaces. |
| Static Load Rating C0 | 58,800 N | Maximum load the block can withstand without movement. |
| Dynamic Load Capacity C | 39,000 N | Load capacity during motion, ensuring stability. |
| Static Torsional Moment Load Capacity Mt0 | 890 Nm | Resistance to twisting forces under static conditions. |
| Dynamic Torsional Moment Load Capacity Mt | 590 Nm | Resistance to twisting during motion. |
| Static Longitudinal Moment Load Capacity ML0 | 920 Nm | Resistance to longitudinal twisting under static load. |
| Dynamic Longitudinal Moment Load Capacity ML | 610 Nm | Longitudinal stability during dynamic operation. |
| Preload Class | C2 – Average Preload | Moderate preload for balanced rigidity and smooth motion. |
| Accuracy Class | H – Highly Accurate | Ensures precise linear guidance for high-precision tasks. |
| Friction Coefficient μ | 0.002–0.003 | Low friction for efficient, energy-saving operation. |
| Maximum Permissible Linear Speed vmax | 3 m/s (118 in/s) | Maximum speed for high-speed applications. |
| Max. Acceleration amax | 250 m/s² (820 ft/s²) | Maximum acceleration for dynamic performance. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F) | Operating temperature range for versatile environments. |
| Weight | 1.11 kg (2.45 lb) | Weight for handling and system design considerations. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 30 |
| Format | SLS – slimline, long, 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] | 119.7 |
| 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] | 39000 |
| Dynamic load capacity C100 [N] | 39000 |
| 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] | 1.11 |
| Dynamic load capacity C50 [N] | 49100 |
| Static load capacity C0 [N] | 58800 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 740 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 590 |
| Static torsional moment load capacity Mt0 [Nm] | 890 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 770 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 610 |
| Static longitudinal moment load capacity ML0 [Nm] | 920 |
| 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] | 31 |
| Dimension B (profiled rail systems) [mm] | 119.7 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 89.4 |
| Dimension E1 [mm] | 40 |
| Dimension E2 [mm] | 60 |
| 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] | 21 |
| Dimension K2 (profiled rail systems) [mm] | 21.7 |
| 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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