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R18213232X Original Rexroth Linear Bearing Block
ROLLER RUNNER BLOCK CARBON STEEL RWD-035-SNH-C2-H-2
- Size 35
- Format SNH: Width = slimline, length = normal, height = high
- Runner block body made of unalloyed steel CS
- Preload class C2: Medium preload
- Accuracy class H: High
- 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 = 118.5 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R18213232X Original Rexroth Linear Bearing Block Specifications
The Rexroth R18213232X linear bearing block is designed for precision and durability, with technical parameters optimized for industrial applications. Below is a detailed comparison of its key specifications:
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 35 mm (1.38 in) | Defines the standard size for compatibility with corresponding guide rails, ensuring proper fit in linear motion systems. |
| Format | SNH (Slimline, Normal, High) | Describes the block’s dimensions: slim width, standard length, and high height for compact yet robust applications. |
| Material | Carbon Steel | High-strength unalloyed steel ensures durability and resistance to wear under heavy loads. |
| Preload Class | C2 (Medium Preload) | Provides balanced rigidity and smooth motion, reducing backlash in high-precision tasks. |
| Accuracy Class | H (Highly Accurate) | Ensures tight tolerances for precise positioning, critical in automation and machining. |
| Dynamic Load Capacity C100 | 61,000 N (13,713 lbf) | Maximum load the block can withstand during motion for 100,000 m travel, per DIN ISO 14728-1. |
| Static Load Capacity C0 | 119,400 N (26,842 lbf) | Maximum stationary load capacity, ensuring stability under heavy static forces. |
| Dynamic Torsional Moment Mt100 | 1,210 Nm (892 ft-lb) | Resistance to twisting forces during motion, critical for maintaining alignment under torque. |
| Static Torsional Moment Mt0 | 2,370 Nm (1,748 ft-lb) | Stationary resistance to torsional forces, ensuring structural integrity. |
| Dynamic Longitudinal Moment ML100 | 760 Nm (560 ft-lb) | Capacity to handle longitudinal moments during motion, enhancing stability in dynamic applications. |
| Static Longitudinal Moment ML0 | 1,480 Nm (1,091 ft-lb) | Stationary longitudinal moment capacity, supporting heavy loads in fixed positions. |
| Maximum Acceleration amax | 150 m/s² (492 ft/s²) | Maximum acceleration under load, requiring preload for optimal performance in high-speed systems. |
| Maximum Linear Speed vmax | 4 m/s (13.12 ft/s) | Top speed for linear motion, balancing precision and efficiency in fast-paced operations. |
| Friction Coefficient μ | 0.0004–0.001 | Low friction ensures energy-efficient operation and reduced wear on components. |
| Weight | 1.76 kg (3.88 lbs) | Lightweight yet robust, facilitating easy integration without compromising strength. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) briefly | Wide temperature range supports operation in diverse industrial environments. |
| Width of Runner Block | 70 mm (2.76 in) | Compact width for space-efficient installation in tight assemblies. |
| Length of Runner Block | 118 mm (4.65 in) | Standard length ensures compatibility with various rail lengths and configurations. |
| Height of Runner Block | 48 mm (1.89 in) | High height provides structural stability for heavy-duty applications. |
| Height with Guide Rail | 55 mm (2.17 in) | Total height including rail, critical for system design and clearance calculations. |
Technical Attributes
| Version | Roller rail systems |
| Nominal size [mm] | 35 |
| Format | SNH – slimline, normal, high |
| Model | High-precision roller runner block |
| Material | Carbon steel |
| Preload class | C2 – Medium preload |
| Accuracy class | H – Highly accurate |
| Seal | DS – Double-lip seal |
| Width of runner block [mm] | 70 |
| Length of runner block [mm] | 118 |
| Height of runner block [mm] | 48 |
| Height runner block with guide rail [mm] | 55 |
| Lubrication | With preservation and without initial lubrication |
| Dynamic load capacity C100 [N] | 61000 |
| 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] | 1.76 |
| Dynamic load capacity C50 [N] | 75000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 119400 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 1490 |
| 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] | 1210 |
| 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] | 2370 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 940 |
| 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] | 760 |
| 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] | 1480 |
| Footnote friction force FR | Guideline value for frictional drags of the complete, sealed and lubricated roller runner block. |
| Pitch T guide rail [mm] | 40 |
| Dimension A (profiled rail systems) [mm] | 70 |
| Dimension A1 (profiled rail systems) [mm] | 35 |
| Dimension A2 (profiled rail systems) [mm] | 34 |
| Dimension A3 (profiled rail systems) [mm] | 18 |
| Dimension B (profiled rail systems) [mm] | 118 |
| Dimension B1 [mm] | 79.6 |
| Dimension diameter S5 (profiled rail systems) | 9 |
| Dimension E1 [mm] | 50 |
| Dimension E2 (profiled rail systems) [mm] | 50 |
| Dimension E8 (profiled rail systems) [mm] | 50.3 |
| Dimension E9 (profiled rail systems) [mm] | 20.1 |
| Dimension H [mm] | 55 |
| Dimension H1 (profiled rail systems) [mm] | 48 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 31.1 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 30.8 |
| Dimension K1 (profiled rail systems) [mm] | 21.55 |
| Dimension K2 (profiled rail systems) [mm] | 23.4 |
| Dimension N3 (profiled rail systems) [mm] | 13 |
| Dimension N5 (profiled rail systems) [mm] | 14 |
| Dimension N6 (profiled rail systems) [mm] | 19.4 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M8 |
| Dimension S9 | M3 |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension T1 min [mm] | 16 |
| Dimension V1 [mm] | 8 |
| Note of Dimension T | Dimension T = Rail separation of the roller guide rail |
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