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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R18215232X Original Rexroth Linear Bearing Block
ROLLER RUNNER BLOCK CARBON STEEL RWD-055-SNH-C2-H-2
- Size 55
- 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 = 170.7 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
- High Torque Load Capacity: Supports robust loads in all four main directions, ideal for heavy-duty applications.
- Unrestricted Interchangeability: Compatible with all guide rail versions, allowing flexible system configurations.
- Maximum Rigidity: Enhanced by additional screw connections at the center, ensuring stability under load.
- Smooth and Quiet Operation: Optimized roller return and guideways reduce noise and friction.
- Minimal Lubrication: Innovative channel design reduces lubricant consumption, lowering maintenance costs.
- Integrated All-Around Sealing: Double-lip seal (DS) protects against contaminants, extending service life.
- Easy Maintenance: Lube nipples on all sides and a loosely attached straight lube connection simplify upkeep.
- Precision Engineering: Multi-optimized entry-zone geometry and high roller count ensure low elastic deflection.
Technical Specifications
The R18215232X linear bearing block is designed to meet stringent industrial standards. Below is a detailed comparison of its technical parameters, presented in a structured table for clarity.
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal size | 55 mm | Defines the block’s compatibility with size 55 guide rails, ensuring proper fit in linear motion systems. |
| Width of runner block | 100 mm (3.94 inches) | Indicates the block’s slimline width, optimizing space in compact machinery. |
| Length of runner block | 170.65 mm (6.72 inches) | Standard length provides balance between stability and maneuverability. |
| Height of runner block | 68 mm (2.68 inches) | High height enhances load-bearing capacity and structural integrity. |
| Height with guide rail | 80 mm (3.15 inches) | Total height when mounted, critical for system clearance calculations. |
| Dynamic load capacity C100 | 140400 N | Measures the block’s ability to handle dynamic loads over 100,000 m travel, per DIN ISO 14728-1. |
| Dynamic load capacity C50 | 173000 N | Load capacity for 50,000 m travel, offering higher ratings for shorter distances. |
| Static load capacity C0 | 284700 N | Maximum static load the block can withstand without deformation. |
| Dynamic torsional moment load capacity Mt100 | 4120 Nm | Torsional resistance for 100,000 m travel, critical for rotational stability. |
| Static torsional moment load capacity Mt0 | 8350 Nm | Maximum static torsional load, ensuring rigidity under torque. |
| Dynamic longitudinal moment load capacity ML100 | 2610 Nm | Longitudinal moment resistance for 100,000 m, supporting linear stability. |
| Static longitudinal moment load capacity ML0 | 5290 Nm | Static longitudinal moment capacity, enhancing structural integrity. |
| Maximum acceleration amax | 150 m/s² | Maximum acceleration under preload, suitable for high-speed applications. |
| Maximum permissible linear speed vmax | 4 m/s | Top speed for safe operation, balancing performance and durability. |
| Friction coefficient μ | 0.0004 – 0.001 | Low friction ensures energy efficiency and smooth motion without seal friction. |
| Permissible ambient temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) for short periods | Operating temperature range, with short-term tolerance for extreme conditions. |
| Weight | 5.04 kg (11.11 lbs) | Moderate weight supports robust construction without compromising agility. |
| Material | Carbon steel | Durable material ensures long-term performance in harsh environments. |
| Seal | DS – Double-lip seal | Provides superior protection against dust and debris, enhancing longevity. |
| Preload class | C2 – Medium preload | Balances rigidity and smoothness, ideal for precision applications. |
| Accuracy class | H – Highly accurate | Ensures minimal deviation in motion, critical for high-precision tasks. |
Technical Attributes
| Version | Roller rail systems |
| Nominal size [mm] | 55 |
| 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] | 100 |
| Length of runner block [mm] | 170.65 |
| Height of runner block [mm] | 68 |
| Height runner block with guide rail [mm] | 80 |
| Lubrication | With preservation and without initial lubrication |
| Dynamic load capacity C100 [N] | 140400 |
| 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] | 5.04 |
| Dynamic load capacity C50 [N] | 173000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 284700 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 5070 |
| 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] | 4120 |
| 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] | 8350 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 3210 |
| 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] | 2610 |
| 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] | 5290 |
| Footnote friction force FR | Guideline value for frictional drags of the complete, sealed and lubricated roller runner block. |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 100 |
| Dimension A1 (profiled rail systems) [mm] | 50 |
| Dimension A2 (profiled rail systems) [mm] | 53 |
| Dimension A3 (profiled rail systems) [mm] | 23.5 |
| Dimension B (profiled rail systems) [mm] | 170.65 |
| Dimension B1 [mm] | 123.1 |
| Dimension diameter S5 (profiled rail systems) | 16 |
| Dimension E1 [mm] | 75 |
| Dimension E2 (profiled rail systems) [mm] | 75 |
| Dimension E8 (profiled rail systems) [mm] | 74.2 |
| Dimension E9 (profiled rail systems) [mm] | 28.85 |
| Dimension H [mm] | 80 |
| Dimension H1 (profiled rail systems) [mm] | 68 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 47.85 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 47.55 |
| Dimension K1 (profiled rail systems) [mm] | 31.75 |
| Dimension K2 (profiled rail systems) [mm] | 34.9 |
| Dimension N3 (profiled rail systems) [mm] | 19 |
| Dimension N5 (profiled rail systems) [mm] | 19 |
| Dimension N6 (profiled rail systems) [mm] | 28.7 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M12 |
| Dimension S9 | M5 |
| Dimension S9 thread diameter (profiled rail systems) | M5 |
| Dimension T1 min [mm] | 20 |
| Dimension V1 [mm] | 12 |
| Note of Dimension T | T = Rail separation of the Roller Guide Rail |
FAQ
1. What is the Bosch Rexroth R18215232X used for?
The R18215232X is a roller runner block used in linear motion systems for industrial applications like CNC machining, automation, and material handling.
2. What is the preload class of the R18215232X?
It features a C2 medium preload, balancing rigidity and smooth operation for precision tasks.
3. Can the R18215232X operate in extreme temperatures?
Yes, it operates from -10 °C to +80 °C (14 °F to 176 °F), with short-term tolerance up to 100 °C (212 °F).
4. Is the R18215232X compatible with other guide rails?
Yes, it offers unrestricted interchangeability with all Bosch Rexroth guide rail versions.
5. How is the R18215232X lubricated?
It comes preserved without initial lubrication but features lube nipples for easy maintenance and minimal lubricant use.
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