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Tel: 0086-512-68235075
R18514232X Original Rexroth Linear Bearing Block
ROLLER RUNNER BLOCK CARBON STEEL RWD-045-FNS-C2-H-2
- Size 45
- 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 = 147.5 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R18514232X Original Rexroth Linear Bearing Block Parameters
| Parameter | Value | Explanation |
|---|---|---|
| Nominal size | 45 mm (1.77 inches) | Defines the block’s size for compatibility with guide rails. |
| Width of runner block | 120 mm (4.72 inches) | Width of the block, critical for mounting and load distribution. |
| Length of runner block | 147 mm (5.79 inches) | Overall length, affecting stability and load capacity. |
| Height of runner block | 51 mm (2.01 inches) | Height without rail, determining vertical clearance. |
| Height with guide rail | 60 mm (2.36 inches) | Total height when mounted, key for system design. |
| Dynamic load capacity C100 | 106600 N (23968 lbf) | Load capacity for 100,000 m travel, per DIN ISO 14728-1. |
| Dynamic load capacity C50 | 131000 N (29450 lbf) | Load capacity for 50,000 m travel, offering higher ratings. |
| Static load capacity C0 | 209400 N (47070 lbf) | Maximum static load the block can withstand. |
| Dynamic torsional moment Mt100 | 2640 Nm (1947 ft-lb) | Torsional load capacity for 100,000 m travel. |
| Static torsional moment Mt0 | 5180 Nm (3820 ft-lb) | Static torsional load capacity, ensuring stability. |
| Dynamic longitudinal moment ML100 | 1650 Nm (1217 ft-lb) | Longitudinal load capacity for 100,000 m travel. |
| Static longitudinal moment ML0 | 3240 Nm (2390 ft-lb) | Static longitudinal load capacity for robust performance. |
| Maximum acceleration amax | 150 m/s² (492 ft/s²) | Maximum acceleration, requiring preload under load. |
| Maximum linear speed vmax | 4 m/s (13.12 ft/s) | Top speed for efficient linear motion. |
| Friction coefficient μ | 0.0004–0.001 | Low friction for smooth, energy-efficient operation. |
| Weight | 3.55 kg (7.83 lbs) | Block weight, impacting system dynamics. |
| Permissible ambient temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) short-term | Operating temperature range for diverse environments. |
Technical Attributes
| Version | Roller rail systems |
| Nominal size [mm] | 45 |
| 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] | 120 |
| Length of runner block [mm] | 147 |
| Height of runner block [mm] | 51 |
| Height runner block with guide rail [mm] | 60 |
| Lubrication | With preservation and without initial lubrication |
| Dynamic load capacity C100 [N] | 106600 |
| 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] | 3.55 |
| Dynamic load capacity C50 [N] | 131000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 209400 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 3250 |
| 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] | 2640 |
| 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] | 5180 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 2030 |
| 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] | 1650 |
| 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] | 3240 |
| 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] | 120 |
| Dimension A1 (profiled rail systems) [mm] | 60 |
| Dimension A2 (profiled rail systems) [mm] | 45 |
| Dimension A3 (profiled rail systems) [mm] | 37.5 |
| Dimension A4 (profiled rail system) [mm] | 55.6 |
| Dimension B (profiled rail systems) [mm] | 147 |
| Dimension B1 [mm] | 101.5 |
| Dimension diameter S5 (profiled rail systems) | 14 |
| Dimension E1 [mm] | 100 |
| Dimension E2 (profiled rail systems) [mm] | 80 |
| Dimension E3 (profiled rail systems) [mm] | 60 |
| Dimension E8 (profiled rail systems) [mm] | 62.9 |
| Dimension E9 (profiled rail systems) [mm] | 16.7 |
| Dimension H [mm] | 60 |
| Dimension H1 (profiled rail systems) [mm] | 51 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 39.1 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 38.8 |
| Dimension H3 [mm] | 53 |
| Dimension K1 (profiled rail systems) [mm] | 17.45 |
| Dimension K2 (profiled rail systems) [mm] | 20.35 |
| Dimension N1 (profiled rail systems) [mm] | 15 |
| Dimension N2 (profiled rail systems) [mm] | 13.5 |
| Dimension N6 (profiled rail systems) [mm] | 22.4 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 thread diameter (profiled rail systems) [mm] | 10.4 |
| Dimension S2 (profiled rail systems) | M12 |
| 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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