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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R18513232X Original Rexroth Linear Bearing Block
ROLLER RUNNER BLOCK CARBON STEEL RWD-035-FNS-C2-H-2
- Size 35
- Format FNS: Width = flange, length = normal, height = standard
- 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.
Product Features
- High Torque Load Capacity: Equal load ratings in all four main directions for versatile load handling.
- Maximum Rigidity: Additional screw connections on two central bore holes enhance structural stability.
- Unrestricted Interchangeability: Compatible with all Rexroth guide rail versions, simplifying system design.
- Low Maintenance: Innovative lubrication channels minimize oil requirements, with lube nipples accessible on all sides.
- Smooth Operation: Optimized roller return and guideways ensure quiet, low-friction movement.
- Precision Engineering: Multi-optimized entry-zone geometry and high roller count reduce elastic deflection.
- Integrated Sealing: Standard all-around sealing protects against contaminants, extending service life.
Rexroth R18513232X’s double-lip seal (DS) and innovative lubrication channels reduce maintenance needs, while the multi-optimized entry-zone geometry ensures low elastic deflection and exceptional precision. Whether used in CNC machines, robotics, or heavy machinery, this linear bearing block guarantees consistent performance across a temperature range of -10°C to +80°C (14°F to 176°F), with short-term tolerance up to 100°C (212°F).
Technical Parameters
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 35 mm (1.38 in) | Defines the block’s compatibility with size 35 guide rails, ensuring proper fit and load distribution. |
| Width of Runner Block | 100 mm (3.94 in) | Flanged width provides a stable mounting surface for secure attachment. |
| Length of Runner Block | 118 mm (4.65 in) | Normal length balances compactness with sufficient roller contact for load support. |
| Height of Runner Block | 41 mm (1.61 in) | Standard height ensures compatibility with common linear rail systems. |
| Dynamic Load Capacity C100 | 61,000 N | Maximum load the block can handle during motion over 100,000 m travel, ensuring durability. |
| Static Load Capacity C0 | 119,400 N | Maximum stationary load capacity, critical for heavy-duty applications. |
| Dynamic Torsional Moment Load Capacity Mt100 | 1,210 Nm | Resists twisting forces during dynamic operation, enhancing stability. |
| Static Torsional Moment Load Capacity Mt0 | 2,370 Nm | Ensures rigidity against torsional loads when stationary. |
| Maximum Acceleration amax | 150 m/s² | Supports high-speed operations with preload maintained under load. |
| Maximum Permissible Linear Speed vmax | 4 m/s | Defines the top speed for reliable linear motion performance. |
| Friction Coefficient μ | 0.0004 – 0.001 | Low friction ensures energy efficiency and smooth motion without seal resistance. |
| Weight | 1.87 kg (4.12 lbs) | Lightweight yet robust, reducing system inertia while maintaining strength. |
| Permissible Ambient Temperature | -10°C to +80°C (14°F to 176°F) | Operates reliably in standard industrial environments, with short-term tolerance up to 100°C (212°F). |
Technical Attributes
| Version | Roller rail systems |
| Nominal size [mm] | 35 |
| Format | FNS – flange, normal, standard height |
| 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] | 118 |
| Height of runner block [mm] | 41 |
| Height runner block with guide rail [mm] | 48 |
| 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] | 1.87 |
| 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] | 100 |
| Dimension A1 (profiled rail systems) [mm] | 50 |
| Dimension A2 (profiled rail systems) [mm] | 34 |
| Dimension A3 (profiled rail systems) [mm] | 33 |
| Dimension A4 (profiled rail system) [mm] | 47 |
| Dimension B (profiled rail systems) [mm] | 118 |
| Dimension B1 [mm] | 79.6 |
| Dimension diameter S5 (profiled rail systems) | 9 |
| Dimension E1 [mm] | 82 |
| Dimension E2 (profiled rail systems) [mm] | 62 |
| Dimension E3 (profiled rail systems) [mm] | 52 |
| Dimension E8 (profiled rail systems) [mm] | 50.3 |
| Dimension E9 (profiled rail systems) [mm] | 13.1 |
| Dimension H [mm] | 48 |
| Dimension H1 (profiled rail systems) [mm] | 41 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 31.1 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 30.8 |
| Dimension H3 [mm] | 43 |
| Dimension K1 (profiled rail systems) [mm] | 15.55 |
| Dimension K2 (profiled rail systems) [mm] | 17.4 |
| Dimension N1 (profiled rail systems) [mm] | 12 |
| Dimension N2 (profiled rail systems) [mm] | 11 |
| Dimension N6 (profiled rail systems) [mm] | 19.4 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 thread diameter (profiled rail systems) [mm] | 8.5 |
| Dimension S2 (profiled rail systems) | M10 |
| Dimension S9 | M3 |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension T1 min [mm] | 16 |
| Dimension V1 [mm] | 8 |
| Note of Dimension T | T = Rail separation of the Roller Guide Rail |
FAQ
1. What is the preload class of the Rexroth R18513232X?
The R18513232X features a C2 medium preload, providing a balance between rigidity and smooth motion for precision applications.
2. Can the R18513232X be used with different guide rails?
Yes, it offers unrestricted interchangeability, allowing combination with all Rexroth guide rail variants within the same accuracy class.
3. What are the lubrication requirements for this roller runner block?
It requires minimal lubrication due to its innovative channel design, with lube nipples accessible on all sides for easy maintenance.
4. What is the maximum operating temperature for the R18513232X?
It operates reliably from -10°C to +80°C (14°F to 176°F), with short-term tolerance up to 100°C (212°F).
5. How does the double-lip seal benefit the R18513232X?
The double-lip seal (DS) provides integrated all-around protection against contaminants, extending the block’s service life in harsh environments.
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