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 Please submit an RFQ first and check the price?
-
Address: Suzhou City, Jiangsu Province, China, 215000
-
Tel: 0086-512-68235075
R165121220 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-025-FNS-C1-P-1
- Size 25
- Format FNS: Width = flange, length = normal, height = standard
- Runner block body made of unalloyed steel CS
- Preload class C1: Low preload
- Accuracy class P: Precision
- Without ball chain
- With initial lubrication and preservation
- Roller bearing grease Dynalub 510
- Without attachment element, left (front reference edge)
- Without attachment element, right (front reference edge)
- Straight lube connection loosely attached.
- Runner block body in standard version
- Overall length of the runner block = 86.2 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R165121220 Original Rexroth Linear Bearing Block Specifications
The table below outlines the critical technical parameters of the Rexroth R165121220 linear bearing block, providing engineers with precise data for integration into linear motion systems.
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal size | 25 mm | Defines the standard size for compatibility with guide rails, ensuring proper fit in linear motion setups. |
| Width of runner block | 70 mm (2.76 inches) | Indicates the block’s width, critical for mounting and load distribution in flanged designs. |
| Length of runner block | 86.2 mm (3.39 inches) | Specifies the block’s length, affecting stability and load capacity in linear motion. |
| Height of runner block | 29.9 mm (1.18 inches) | Measures the block’s height, ensuring alignment with guide rails for precise motion. |
| Height with guide rail | 36 mm (1.42 inches) | Total height including the rail, essential for system clearance and design. |
| Dynamic load capacity C100 | 28600 N | Maximum dynamic load for 100,000 m travel, indicating durability under continuous motion. |
| Dynamic load capacity C50 | 36000 N | Load capacity for 50,000 m travel, offering higher capacity for shorter travel distances. |
| Static load capacity C0 | 35900 N | Maximum static load the block can withstand without deformation. |
| Maximum acceleration amax | 500 m/s² (1640 ft/s²) | Maximum acceleration for high-speed applications, reduced to 50 m/s² under specific load conditions. |
| Maximum permissible linear speed vmax | 5 m/s (16.4 ft/s) | Top speed for linear motion, ensuring stability and precision. |
| Friction coefficient μ | 0.002–0.003 | Low friction ensures energy efficiency and smooth operation without seal friction. |
| Weight | 0.67 kg (1.48 lbs) | Lightweight design reduces system inertia while maintaining strength. |
| Permissible ambient temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) for short periods | Operating temperature range, ensuring reliability in various industrial environments. |
| Pitch T guide rail | 60 mm (2.36 inches) | Distance between mounting holes on the rail, critical for installation alignment. |
| Dynamic torsional moment load capacity Mt100 | 410 Nm | Torsional load capacity for 100,000 m, ensuring stability under twisting forces. |
| Static torsional moment load capacity Mt0 | 510 Nm | Maximum static torsional load, critical for stationary applications. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 25 |
| Format | FNS – flange, normal, standard height |
| Model | High-precision ball runner block |
| Material | Carbon steel |
| Preload class | C1 – Low preload |
| Accuracy class | P – Precise |
| Seal | SS – Standard seal |
| Ball chain | Without ball chain (standard) |
| Self-aligning for compensation of misalignments | Without self-alignment |
| Width of runner block [mm] | 70 |
| Length of runner block [mm] | 86.2 |
| Height of runner block [mm] | 29.9 |
| Height runner block with guide rail [mm] | 36 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C100 [N] | 28600 |
| Note: dynamic load capacity C100 | Dynamic load capacities and load moments are based on a stroke travel of 100,000 m according to DIN ISO 14728-1. |
| Maximum acceleration rate amax [m/s²] | 500 |
| Note: Max. acceleration amax | If Fcomb◡> 2.8 • Fpr : amax = 50 m/s2 |
| Maximum permissible linear speed vmax [m/s] | 5 |
| Permissible ambient temperature (min. … max.) | -10 °C … +80 °C |
| Note: permissible ambient temperature (min. … max.) | 100 °C admissible for short time. For operation at negative temperatures, please consult us. |
| Friction coefficient μ | 0.002 … 0.003 |
| Note: friction coefficient μ | Without friction of seal |
| Weight [kg] | 0.67 |
| Dynamic load capacity C50 [N] | 36000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 35900 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 520 |
| Note: Dynamic torsional moment load capacity Mt50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Dynamic torsional moment load capacity Mt100 [Nm] | 410 |
| Note: Dynamic torsional moment load capacity Mt100 | Dynamic load capacities and load moments are based on a stroke travel of 100,000 m according to DIN ISO 14728-1. |
| Static torsional moment load capacity Mt0 [Nm] | 510 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 370 |
| Note: Dynamic longitudinal moment load capacity ML50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Dynamic longitudinal moment load capacity ML100 [Nm] | 290 |
| Note: Dynamic longitudinal moment load capacity ML100 | Dynamic load capacities and load moments are based on a stroke travel of 100,000 m according to DIN ISO 14728-1. |
| Static longitudinal moment load capacity ML0 [Nm] | 360 |
| 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] | 86.2 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 57.8 |
| Dimension E1 [mm] | 57 |
| Dimension E2 (profiled rail systems) [mm] | 45 |
| Dimension E3 (profiled rail systems) [mm] | 40 |
| Dimension E8 (profiled rail systems) [mm] | 38.3 |
| Dimension E9 (profiled rail systems) [mm] | 11.5 |
| Dimension H [mm] | 36 |
| Dimension H1 (profiled rail systems) [mm] | 29.9 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 24.45 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 24.25 |
| Dimension K1 (profiled rail systems) [mm] | 12.45 |
| Dimension K2 (profiled rail systems) [mm] | 13.6 |
| Dimension K3 (profiled rail systems) [mm] | 5.5 |
| Dimension K4 (profiled rail systems) [mm] | 5.5 |
| Dimension N1 (profiled rail systems) [mm] | 9.3 |
| Dimension N2 (profiled rail systems) [mm] | 7 |
| Dimension N6 (profiled rail systems) [mm] | 15.2 |
| 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 | M3x5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 5 |
| Dimension T1 min [mm] | 13 |
| Dimension V1 [mm] | 7.5 |
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.
