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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R205A31320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-035-FNS-C1-H-1
- Size 35
- Format FNS – flanged, normal, standard height
- Runner block body made of unalloyed steel CS
- Preload class C1: Low 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 = 110.5 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-035-FNS-C1-H-1 is optimized for performance and reliability. Its key features include:
- Interchangeability: Compatible with guide rails of all accuracy levels, offering flexibility in assembly.
- High Load Capacity: Supports substantial static and dynamic loads, ideal for heavy-duty applications.
- Low Friction: Friction coefficient of 0.002–0.003 ensures smooth, energy-efficient motion.
- Durable Construction: Made from unalloyed steel CS for long-lasting performance.
- Initial Lubrication: Pre-lubricated for immediate use, reducing maintenance needs.
Technical Specifications
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 35 mm (1.38 inches) | Defines the block’s compatibility with size 35 profiled rail systems, ensuring proper fit. |
| Length of Runner Block | 110.5 mm (4.35 inches) | Overall length impacts stability and load distribution along the rail. |
| Width of Runner Block | 100 mm (3.94 inches) | Determines the block’s footprint and compatibility with rail width. |
| Height of Runner Block | 40.4 mm (1.59 inches) | Height affects vertical clearance and rail system integration. |
| Static Load Rating C0 | 56,600 N | Maximum load the block can withstand without movement, critical for stationary stability. |
| Dynamic Load Capacity C | 42,900 N | Load capacity during motion, indicating performance under dynamic conditions. |
| Max. Acceleration amax | 250 m/s² | Maximum acceleration the block can handle, vital for high-speed applications. |
| Friction Coefficient μ | 0.002–0.003 | Low friction ensures efficient motion and reduced wear. |
| Permissible Ambient Temperature | -10°C to +80°C (14°F to 176°F) | Operating temperature range for reliable performance in varied environments. |
| Preload Class | C1 – Low Preload | Minimizes resistance for smoother motion, ideal for precision tasks. |
| Accuracy Class | H – Highly Accurate | Ensures precise linear movement, critical for high-precision applications. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 35 |
| Format | FNS – flange, normal, standard height |
| Preload class | C1 – Low preload |
| Accuracy class | H – Highly accurate |
| Seal | SS – Standard seal |
| Ball chain | Without ball chain (standard) |
| Width of runner block [mm] | 100 |
| Length of runner block [mm] | 110.5 |
| Height of runner block [mm] | 40.4 |
| Height runner block with guide rail [mm] | 48 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C [N] | 42900 |
| Dynamic load capacity C100 [N] | 42900 |
| 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] | 1.51 |
| Dynamic load capacity C50 [N] | 54100 |
| Static load capacity C0 [N] | 56600 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 970 |
| Dynamic torsional moment load capacity Mt100 [Nm] | 770 |
| Static torsional moment load capacity Mt0 [Nm] | 1030 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 720 |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 570 |
| Static longitudinal moment load capacity ML0 [Nm] | 760 |
| Pitch T guide rail [mm] | 80 |
| Dimension A (profiled rail systems) [mm] | 100 |
| Dimension A1 (profiled rail systems) [mm] | 50 |
| Dimension A2 (profiled rail systems) [mm] | 34 |
| Dimension A3 (profiled rail systems) [mm] | 33 |
| Dimension B (profiled rail systems) [mm] | 110.5 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 77 |
| Dimension E1 [mm] | 82 |
| Dimension E2 [mm] | 62 |
| Dimension E8 (profiled rail systems) [mm] | 50 |
| Dimension E9 (profiled rail systems) [mm] | 15.7 |
| Dimension H [mm] | 48 |
| Dimension H1 (profiled rail systems) [mm] | 40.4 |
| Dimension H2 (profiled rail systems) [mm] | 26.5 |
| Dimension K1 (profiled rail systems) [mm] | 14.5 |
| Dimension K2 (profiled rail systems) [mm] | 16.2 |
| Dimension K3 (profiled rail systems) [mm] | 7 |
| Dimension K4 (profiled rail systems) [mm] | 7 |
| Dimension N1 (profiled rail systems) [mm] | 12 |
| Dimension N6 (profiled rail systems) [mm] | 15.5 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 8.5 |
| Dimension S2 (profiled rail systems) | M10 |
| 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] | 8 |
| Height of guide rail H2 [mm] | 26.5 |
FAQ
1. What applications are suitable for the Rexroth B.RUNNER BLOCK CS KWE-035-FNS-C1-H-1?
This linear bearing block is ideal for automation systems, machine tools, and material handling equipment requiring precise linear motion and high load capacity.
2. What is the preload class of this runner block?
It features a C1 low preload class, ensuring smooth movement with minimal resistance.
3. Can this block operate in extreme temperatures?
Yes, it operates reliably from -10°C to +80°C (14°F to 176°F), with short-term tolerance up to 100°C (212°F).
4. Is the block compatible with different rail systems?
Yes, it is interchangeable with guide rails of all accuracy levels, offering flexible integration.
5. What is the friction coefficient of this linear bearing block?
The friction coefficient ranges from 0.002 to 0.003, supporting efficient and low-wear operation.
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