Make A Decision Now! Update Your Production Line Or Not?

Inquiry is free, what about checking the price first?
Request For quotation

Really want to quit?

Inquiry is free! Could you submit an RFQ first and check the price?
Please enable JavaScript in your browser to complete this form.
Please enable JavaScript in your browser to complete this form.

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.

Why we are more
affordablebetterflexible
No MOQ LimitSupport small batch procurement, minimum order quantity 1 piece.
Supply Chain Advantages5%-15% comprehensive cost reduction compared to traditional procurement channels.
Direct Supply From The Brand’s FactoryAll products are shipped directly from the brand’s factory, with no secondary resale, maximize your benefits.

Send Inquiry Now And Enjoy Our Advantages

Please enable JavaScript in your browser to complete this form.