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Tel: 0086-512-68235075
R18244222X Original Rexroth Linear Bearing Block
ROLLER RUNNER BLOCK CARBON STEEL RWD-045-SLH-C2-P-2
- Size 45
- Format SLH: Width = slimline, length = long, height = high
- Runner block body made of unalloyed steel CS
- Preload class C2: Medium preload
- Accuracy class P: Precision
- Without roller chain
- Preserved
- Without initial lubrication
- 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 = 180.0 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R18244222X Original Rexroth Linear Bearing Block Specifications
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 45 mm (1.77 in) | Defines the standard size for compatibility with corresponding guide rails in linear motion systems. |
| Format | SLH – Slimline, Long, High | Indicates a compact width, extended length, and elevated height for specific application needs. |
| Material | Carbon Steel | Provides durability and strength for high-load applications in industrial environments. |
| Preload Class | C2 – Medium Preload | Ensures moderate preload for balanced rigidity and smooth motion under load. |
| Accuracy Class | P – Precise | Guarantees high positional accuracy for precision-driven applications like CNC machining. |
| Seal | DS – Double-lip Seal | Protects internal components from contaminants, enhancing longevity in dusty environments. |
| Width of Runner Block | 86 mm (3.39 in) | Determines the block’s lateral dimension for stable mounting on guide rails. |
| Length of Runner Block | 179.5 mm (7.07 in) | Specifies the longitudinal dimension, affecting load distribution and stability. |
| Height of Runner Block | 61 mm (2.40 in) | Measures the vertical dimension, critical for fitting within machine assemblies. |
| Height with Guide Rail | 70 mm (2.76 in) | Total height when mounted, essential for system clearance calculations. |
| Dynamic Load Capacity C100 | 132,300 N (29,740 lbf) | Maximum load the block can handle dynamically over 100,000 m travel per DIN ISO 14728-1. |
| Dynamic Load Capacity C50 | 163,000 N (36,649 lbf) | Load capacity for 50,000 m travel, providing a higher rating for shorter distances. |
| Static Load Capacity C0 | 276,400 N (62,142 lbf) | Maximum static load the block can withstand without deformation. |
| Maximum Acceleration amax | 150 m/s² (492 ft/s²) | Defines the peak acceleration the block can handle, requiring preload under load. |
| Maximum Linear Speed vmax | 4 m/s (13.12 ft/s) | Specifies the top speed for linear motion, ensuring operational safety. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) briefly | Range of temperatures the block can operate in, with short-term high-temperature tolerance. |
| Friction Coefficient μ | 0.0004 to 0.001 | Low friction ensures energy-efficient motion, excluding seal friction. |
| Weight | 4.45 kg (9.81 lb) | Mass of the block, impacting system dynamics and mounting considerations. |
| Pitch T Guide Rail | 52.5 mm (2.07 in) | Distance between mounting holes on the guide rail for secure attachment. |
Technical Attributes
| Version | Roller rail systems |
| Nominal size [mm] | 45 |
| Format | SLH – slimline, long, high |
| Model | High-precision roller runner block |
| Material | Carbon steel |
| Preload class | C2 – Medium preload |
| Accuracy class | P – Precise |
| Seal | DS – Double-lip seal |
| Width of runner block [mm] | 86 |
| Length of runner block [mm] | 179.5 |
| Height of runner block [mm] | 61 |
| Height runner block with guide rail [mm] | 70 |
| Lubrication | With preservation and without initial lubrication |
| Dynamic load capacity C100 [N] | 132300 |
| 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] | 150 |
| Note: Max. acceleration amax | Requirement: There must be preload, even during operation under load. |
| Maximum permissible linear speed vmax [m/s] | 4 |
| Permissible ambient temperature (min. … max.) | -10 °C … +80 °C |
| Note: permissible ambient temperature (min. … max.) | 100 °C admissible for short time. For operation at lower minus temperatures, please consult us. |
| Friction coefficient μ | 0.0004 … 0.001 |
| Note: friction coefficient μ | Without friction of seal |
| Weight [kg] | 4.45 |
| Dynamic load capacity C50 [N] | 163000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 276400 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 4020 |
| 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] | 3270 |
| 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] | 6830 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 3310 |
| 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] | 2690 |
| 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] | 5630 |
| Footnote friction force FR | Guideline value for frictional drags of the complete, sealed and lubricated roller runner block. |
| Pitch T guide rail [mm] | 52.5 |
| Dimension A (profiled rail systems) [mm] | 86 |
| Dimension A1 (profiled rail systems) [mm] | 43 |
| Dimension A2 (profiled rail systems) [mm] | 45 |
| Dimension A3 (profiled rail systems) [mm] | 20.5 |
| Dimension B (profiled rail systems) [mm] | 179.5 |
| Dimension B1 [mm] | 134 |
| Dimension diameter S5 (profiled rail systems) | 14 |
| Dimension E1 [mm] | 60 |
| Dimension E2 (profiled rail systems) [mm] | 80 |
| Dimension E8 (profiled rail systems) [mm] | 62.9 |
| Dimension E9 (profiled rail systems) [mm] | 26.7 |
| Dimension H [mm] | 70 |
| Dimension H1 (profiled rail systems) [mm] | 61 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 39.1 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 38.8 |
| Dimension K1 (profiled rail systems) [mm] | 33.7 |
| Dimension K2 (profiled rail systems) [mm] | 36.6 |
| Dimension N3 (profiled rail systems) [mm] | 18 |
| Dimension N5 (profiled rail systems) [mm] | 18 |
| Dimension N6 (profiled rail systems) [mm] | 22.4 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M10 |
| Dimension S9 | M4 |
| Dimension S9 thread diameter (profiled rail systems) | M4 |
| Dimension T1 min [mm] | 18 |
| Dimension V1 [mm] | 10 |
| Note of Dimension T | T = Rail separation of the Roller Guide Rail |
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