Make A Decision Now! Update Your Production Line Or Not?
Inquiry is free, what about checking the price first?
Really want to quit?
Inquiry is free! Could you submit an RFQ first and check the price?
-
Address: Suzhou City, Jiangsu Province, China, 215000
-
Tel: 0086-512-68235075
R205B71320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWE-030-FLS-C1-H-1
- Size 30
- Format FLS – flanged, long, 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 = 119.7 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
The Bosch Rexroth B.RUNNER BLOCK CS KWE-030-FLS-C1-H-1 (R205B71320) is a high-precision linear bearing block engineered for demanding industrial applications. Designed with unalloyed steel CS, this flanged, long, standard-height (FLS) ball runner block ensures exceptional rigidity and load capacity. With a low preload class C1 and high-accuracy class H, it delivers smooth, reliable motion for linear motion systems. The block is compatible with multiple profiled rail systems, including sizes B, H, K, N, T, A, E, S, and V, offering versatile mounting options from above or below. Its initial lubrication and preservation enhance longevity, while a standard SS seal maintains performance in diverse environments.
- High Rigidity: Engineered for applications demanding superior stiffness and stability.
- Versatile Mounting: Supports installation from above and below, compatible with various rail sizes.
- Precision Engineering: Accuracy class H ensures minimal deviation in motion.
- Low Friction: Friction coefficient of 0.002–0.003 for smooth, efficient operation.
- Durable Construction: Unalloyed steel CS with initial lubrication for extended service life.
Technical Parameters
| Parameter | Value | Explanation |
|---|---|---|
| Nominal Size | 30 mm | Defines the size compatibility with guide rails for standardized integration. |
| Length of Runner Block | 119.7 mm (4.71 in) | Overall length, critical for fitting within system constraints. |
| Width of Runner Block | 90 mm (3.54 in) | Width dimension, ensuring stability during operation. |
| Height of Runner Block | 35.35 mm (1.39 in) | Height, impacting vertical space requirements in assemblies. |
| Static Load Rating C0 | 58,800 N | Maximum load the block can withstand without motion. |
| Dynamic Load Capacity C | 39,000 N | Load capacity during motion, ensuring reliable performance. |
| Static Torsional Moment Load Capacity Mt0 | 890 Nm | Resistance to twisting forces, enhancing system stability. |
| Dynamic Torsional Moment Load Capacity Mt | 590 Nm | Twisting resistance during operation, critical for precision. |
| Friction Coefficient μ | 0.002–0.003 | Low friction for energy-efficient, smooth motion. |
| Maximum Permissible Linear Speed vmax | 3 m/s | Maximum speed for dynamic applications. |
| Permissible Ambient Temperature | -10°C to +80°C (14°F to 176°F) | Operational temperature range for diverse environments. |
| Weight | 1.31 kg (2.89 lb) | Weight, affecting system design and load calculations. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 30 |
| Format | FLS – flange, long, 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] | 90 |
| 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] | 1.31 |
| 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] | 90 |
| Dimension A1 (profiled rail systems) [mm] | 45 |
| 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] | 72 |
| Dimension E2 [mm] | 52 |
| 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] | 25 |
| Dimension K2 (profiled rail systems) [mm] | 25.7 |
| Dimension K3 (profiled rail systems) [mm] | 7.25 |
| Dimension K4 (profiled rail systems) [mm] | 7.25 |
| Dimension N1 (profiled rail systems) [mm] | 11 |
| Dimension N6 (profiled rail systems) [mm] | 12 |
| 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] | 7 |
| Height of guide rail H2 [mm] | 23 |
FAQ
1. What applications are suitable for the Bosch Rexroth B.RUNNER BLOCK CS KWE-030-FLS-C1-H-1?
This linear bearing block is ideal for CNC machines, automation systems, and heavy machinery requiring high rigidity and precision.
2. What is the preload class of this runner block?
It features a low preload class C1, ensuring smooth motion with minimal internal stress.
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 all Rexroth guide rails?
It is interchangeable with guide rails of varying accuracies across multiple profiled rail system sizes.
5. How is maintenance handled for this linear bearing block?
The block comes with initial lubrication and preservation, and its design facilitates easy re-lubrication for long-term performance.
Why we are more
affordablebetterflexible
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.
