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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075

R205B22320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-025-FLS-C2-H-1
- Size 25
- Format FLS – flanged, long, 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 = 107.9 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
The Rexroth B.RUNNER BLOCK CS KWE-025-FLS-C2-H-1 offers unmatched versatility and performance. Key features include:
- High Rigidity: Designed to withstand significant static and dynamic loads, ensuring stability in high-stress applications.
- Interchangeable Design: Compatible with guide rails of varying accuracy classes, allowing seamless integration into existing systems.
- Flexible Mounting: Supports mounting from above and below, providing adaptability for diverse setups.
- Low Friction: A friction coefficient of 0.002–0.003 (without seal friction) ensures smooth motion and energy efficiency.
- Robust Sealing: Standard SS seals protect against dust and debris, extending service life in harsh environments.
Technical Specifications
The following table outlines the critical technical parameters of the Rexroth linear bearing block, with conversions for ease of use:
Parameter | Value | Explanation |
---|---|---|
Nominal Size | 25 mm | Defines the size of the runner block, ensuring compatibility with size 25 guide rails. |
Format | FLS (Flanged, Long, Standard Height) | Flanged design with extended length for enhanced load distribution. |
Width of Runner Block | 70 mm (2.76 inches) | Width of the block, critical for fitting within system constraints. |
Length of Runner Block | 107.9 mm (4.25 inches) | Total length, impacting load capacity and stability. |
Height of Runner Block | 30 mm (1.18 inches) | Height of the block, affecting vertical clearance in assemblies. |
Height with Guide Rail | 36 mm (1.42 inches) | Total height when paired with a guide rail, essential for system design. |
Dynamic Load Capacity C | 28000 N | Maximum dynamic load the block can handle during motion. |
Static Load Capacity C0 | 44200 N | Maximum static load the block can support without deformation. |
Dynamic Torsional Moment Mt50 | 440 Nm | Resistance to rotational forces during dynamic operation. |
Static Torsional Moment Mt0 | 550 Nm | Resistance to rotational forces when stationary. |
Dynamic Longitudinal Moment ML50 | 490 Nm | Longitudinal stability under dynamic loads. |
Static Longitudinal Moment ML0 | 620 Nm | Longitudinal stability when stationary. |
Friction Coefficient μ | 0.002–0.003 | Low friction for efficient motion and reduced wear. |
Maximum Acceleration amax | 250 m/s² (if Fcomb > 2.8 • Fpr: 50 m/s²) | Maximum acceleration the block can withstand under specified conditions. |
Maximum Linear Speed vmax | 3 m/s | Maximum speed for safe and reliable operation. |
Permissible Ambient Temperature | -10°C to +80°C (14°F to 176°F), up to 100°C (212°F) briefly | Operating temperature range for consistent performance. |
Weight | 0.8 kg (1.76 lbs) | Lightweight design for ease of integration. |
Preload Class | C2 (Medium Preload) | Ensures minimal play and high stiffness during operation. |
Accuracy Class | H (Highly Accurate) | Guarantees precise motion for high-precision applications. |
Seal | SS (Standard Seal) | Protects against contaminants, enhancing durability. |
Technical Attributes
Version | Ball rail system |
Nominal size [mm] | 25 |
Format | FLS – flange, 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] | 70 |
Length of runner block [mm] | 107.9 |
Height of runner block [mm] | 30 |
Height runner block with guide rail [mm] | 36 |
Lubrication | With initial lubrication and preservation |
Dynamic load capacity C [N] | 28000 |
Dynamic load capacity C100 [N] | 28000 |
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] | 0.8 |
Dynamic load capacity C50 [N] | 35300 |
Static load capacity C0 [N] | 44200 |
Dynamic torsional moment load capacity Mt50 [Nm] | 440 |
Dynamic torsional moment load capacity Mt100 [Nm] | 350 |
Static torsional moment load capacity Mt0 [Nm] | 550 |
Dynamic longitudinal moment load capacity ML50 [Nm] | 490 |
Dynamic longitudinal moment load capacity ML100 [Nm] | 390 |
Static longitudinal moment load capacity ML0 [Nm] | 620 |
Pitch T guide rail [mm] | 60 |
Dimension A (profiled rail systems) [mm] | 70 |
Dimension A1 (profiled rail systems) [mm] | 35 |
Dimension A2 (profiled rail systems) [mm] | 23 |
Dimension A3 (profiled rail systems) [mm] | 23.5 |
Dimension B (profiled rail systems) [mm] | 107.9 |
Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
Dimension B1 [mm] | 79.5 |
Dimension E1 [mm] | 57 |
Dimension E2 [mm] | 45 |
Dimension E8 (profiled rail systems) [mm] | 33 |
Dimension E9 (profiled rail systems) [mm] | 13 |
Dimension H [mm] | 36 |
Dimension H1 (profiled rail systems) [mm] | 30 |
Dimension H2 (profiled rail systems) [mm] | 20 |
Dimension K1 (profiled rail systems) [mm] | 23.3 |
Dimension K2 (profiled rail systems) [mm] | 23.35 |
Dimension K3 (profiled rail systems) [mm] | 7 |
Dimension K4 (profiled rail systems) [mm] | 7 |
Dimension N1 (profiled rail systems) [mm] | 9 |
Dimension N6 (profiled rail systems) [mm] | 11.3 |
Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
Dimension S1 (profiled rail systems) [mm] | 6.7 |
Dimension S2 (profiled rail systems) | M8 |
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 |
FAQ
1. What is the load capacity of the Rexroth B.RUNNER BLOCK CS KWE-025-FLS-C2-H-1?
The block has a dynamic load capacity of 28000 N and a static load capacity of 44200 N, suitable for high-load applications.
2. Can this linear bearing block operate in extreme temperatures?
It functions reliably from -10°C to +80°C (14°F to 176°F), with brief exposure up to 100°C (212°F) permitted.
3. Is the runner block compatible with different guide rails?
Yes, its interchangeable design allows combination with guide rails of varying accuracy classes without performance loss.
4. What type of lubrication does the block require?
It comes with initial grease lubrication and preservation, reducing maintenance needs upon installation.
5. What is the maximum speed of the linear bearing block?
The maximum permissible linear speed is 3 m/s, ensuring efficient operation in dynamic applications.
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