-
Address: Suzhou City, Jiangsu Province, China, 215000
-
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.
Technical 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 |
FAQ
1. What is the preload class of the Bosch Rexroth linear bearing block R205D72320?
The linear bearing block features a C2 medium preload class, providing a balance between rigidity and smooth motion for high-precision applications.
2. Can this linear bearing block operate in high-temperature environments?
Yes, it operates within a temperature range of -10 °C to +80 °C (14 °F to 176 °F), with short-term tolerance up to 100 °C (212 °F).
3. Is the linear bearing block compatible with other Rexroth guide rails?
Yes, it offers interchangeability with guide rails of varying accuracy classes, ensuring flexibility in system design.
4. What is the maximum speed of the R205D72320 linear bearing block?
The maximum permissible linear speed is 3 m/s (118 in/s), suitable for high-speed linear motion applications.
5. Does the linear bearing block require frequent maintenance?
No, it comes pre-lubricated and preserved, reducing maintenance needs and ensuring long-term reliability.
affordablebetterflexible