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R165322420 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-025-FLS-C2-N-1
- Size 25
- Format FLS: Width = flange, length = long, height = standard
- Runner block body made of unalloyed steel CS
- Preload class C2: Medium preload
- Accuracy class N: Normal
- 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 = 107.9 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R165322420 Original Rexroth Linear Bearing Block Parameters
The Rexroth R165322420 linear bearing block is built to meet stringent industrial standards. The following table outlines its key technical specifications, with measurements provided in both metric and imperial units for clarity.
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 25 mm (0.98 inches) | Defines the block’s compatibility with 25 mm guide rails, critical for system integration. |
| Width of Runner Block | 70 mm (2.76 inches) | Ensures stable mounting and load distribution across the flange. |
| Length of Runner Block | 107.9 mm (4.25 inches) | Long length enhances load capacity and motion stability. |
| Height of Runner Block | 29.9 mm (1.18 inches) | Compact height fits space-constrained applications. |
| Height with Guide Rail | 36 mm (1.42 inches) | Total height including rail, critical for system clearance. |
| Dynamic Load Capacity C100 | 37,300 N | Maximum load the block can handle over 100,000 m travel, per DIN ISO 14728-1. |
| Dynamic Load Capacity C50 | 47,000 N | Load capacity for 50,000 m travel, offering higher capacity for shorter strokes. |
| Static Load Capacity C0 | 52,500 N | Maximum stationary load, ensuring stability under heavy forces. |
| Dynamic Torsional Moment Mt100 | 530 Nm | Resists twisting forces during 100,000 m travel, enhancing durability. |
| Static Torsional Moment Mt0 | 750 Nm | Stationary resistance to torsional loads, critical for precision. |
| Maximum Acceleration amax | 500 m/s² (1640 ft/s²) | Supports high-speed operations, with limits under specific load conditions. |
| Maximum Linear Speed vmax | 5 m/s (16.4 ft/s) | Ensures rapid motion while maintaining control and precision. |
| Friction Coefficient μ | 0.002–0.003 | Low friction reduces energy loss and wear, extending service life. |
| Weight | 0.9 kg (1.98 lbs) | Lightweight design minimizes inertia in dynamic applications. |
| Permissible Ambient Temperature | -10 °C to +100 °C (14 °F to 212 °F) | Wide temperature range supports diverse operating conditions. |
Technical Attributes
| Nominal size [mm] | 25 |
| Format | FLS – flange, long, standard height |
| Model | High-precision ball runner block |
| Material | Carbon steel |
| Preload class | C2 – Medium preload |
| Accuracy class | N – Normal |
| 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] | 107.9 |
| 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] | 37300 |
| 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 |
| 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] | 0.9 |
| Dynamic load capacity C50 [N] | 47000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 52500 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 670 |
| 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] | 530 |
| 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] | 750 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 670 |
| 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] | 530 |
| 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] | 740 |
| 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 (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] | 23.3 |
| Dimension K2 (profiled rail systems) [mm] | 24.45 |
| 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 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 |
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