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R165381320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-020-FLS-C1-H-1
- Size 20
- Format FLS: Width = flange, length = long, height = standard
- Runner block body made of unalloyed steel CS
- Preload class C1: Low preload
- Accuracy class H: High
- Without ball chain
- With initial lubrication and preservation
- Roller bearing grease Dynalub 510
- 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 = 91.0 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R165381320 Original Rexroth Linear Bearing Block Specifications
The following table outlines the technical parameters of the Rexroth R165381320 linear bearing block, providing a clear comparison for engineers and procurement specialists.
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 20 mm (0.79 inches) | Defines the block’s compatibility with 20 mm guide rails, ensuring standardized fitment. |
| Width of Runner Block | 63 mm (2.48 inches) | Determines the block’s footprint, critical for space-constrained designs. |
| Length of Runner Block | 91 mm (3.58 inches) | Impacts stability and load distribution along the rail. |
| Height of Runner Block | 25.35 mm (1.00 inches) | Contributes to the block’s low-profile design for compact systems. |
| Height with Guide Rail | 30 mm (1.18 inches) | Total height when mounted, affecting clearance in machinery. |
| Dynamic Load Capacity C100 | 29,600 N | Maximum load the block can handle during motion (100,000 m travel). |
| Static Load Capacity C0 | 41,800 N | Maximum stationary load, ensuring stability under heavy loads. |
| Maximum Acceleration (amax) | 500 m/s² (1,640 ft/s²) | Indicates the block’s ability to handle rapid speed changes. |
| Maximum Linear Speed (vmax) | 5 m/s (16.4 ft/s) | Defines the top speed for safe and efficient operation. |
| Friction Coefficient (μ) | 0.002–0.003 | Low friction ensures energy efficiency and smooth motion. |
| Permissible Ambient Temperature | -10°C to +80°C (14°F to 176°F), 100°C (212°F) short-term | Operating temperature range, suitable for diverse industrial environments. |
| Weight | 0.59 kg (1.30 lbs) | Lightweight design reduces system inertia, improving responsiveness. |
| Dynamic Torsional Moment (Mt100) | 380 Nm | Resistance to twisting forces during dynamic operation. |
| Static Torsional Moment (Mt0) | 540 Nm | Twisting resistance when stationary, ensuring stability. |
| Dynamic Longitudinal Moment (ML100) | 340 Nm | Resistance to longitudinal forces during motion. |
| Static Longitudinal Moment (ML0) | 490 Nm | Longitudinal stability when stationary. |
| Pitch T Guide Rail | 60 mm (2.36 inches) | Spacing of mounting holes on the rail, affecting installation. |
| Seal Type | SS – Standard Seal | Protects against contaminants, extending service life. |
| Preload Class | C1 – Low Preload | Reduces internal forces, optimizing smooth motion. |
| Accuracy Class | H – Highly Accurate | Ensures minimal deviation in positioning, critical for precision tasks. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 20 |
| Format | FLS – flange, long, standard height |
| Model | High-precision ball runner block |
| Material | Carbon steel |
| Preload class | C1 – Low preload |
| Accuracy class | H – Highly accurate |
| Seal | SS – Standard seal |
| Ball chain | Without ball chain (standard) |
| Self-aligning for compensation of misalignments | Without self-alignment |
| Width of runner block [mm] | 63 |
| Length of runner block [mm] | 91 |
| Height of runner block [mm] | 25.35 |
| Height runner block with guide rail [mm] | 30 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C100 [N] | 29600 |
| 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] | 500 |
| Note: Max. acceleration amax | If Fcomb◡> 2.8 • Fpr : amax = 50 m/s2 |
| Maximum permissible linear speed vmax [m/s] | 5 |
| Permissible ambient temperature (min. … max.) | -10 °C … +80 °C |
| Note: permissible ambient temperature (min. … max.) | 100 °C admissible for short time. For operation at negative temperatures, please consult us. |
| Friction coefficient μ | 0.002 … 0.003 |
| Note: friction coefficient μ | Without friction of seal |
| Weight [kg] | 0.59 |
| Dynamic load capacity C50 [N] | 37300 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 41800 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 480 |
| 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] | 380 |
| 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] | 540 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 430 |
| 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] | 340 |
| 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] | 490 |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 63 |
| Dimension A1 (profiled rail systems) [mm] | 31.5 |
| Dimension A2 (profiled rail systems) [mm] | 20 |
| Dimension A3 (profiled rail systems) [mm] | 21.5 |
| Dimension B (profiled rail systems) [mm] | 91 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 65.6 |
| Dimension E1 [mm] | 53 |
| Dimension E2 (profiled rail systems) [mm] | 40 |
| Dimension E3 (profiled rail systems) [mm] | 35 |
| Dimension E8 (profiled rail systems) [mm] | 32.5 |
| Dimension E9 (profiled rail systems) [mm] | 7.3 |
| Dimension H [mm] | 30 |
| Dimension H1 (profiled rail systems) [mm] | 25.35 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 20.75 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 20.55 |
| Dimension K1 (profiled rail systems) [mm] | 19.8 |
| Dimension K2 (profiled rail systems) [mm] | 19.8 |
| Dimension K3 (profiled rail systems) [mm] | 3.35 |
| Dimension K4 (profiled rail systems) [mm] | 3.35 |
| Dimension N1 (profiled rail systems) [mm] | 7.7 |
| Dimension N2 (profiled rail systems) [mm] | 5.2 |
| Dimension N6 (profiled rail systems) [mm] | 13.2 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 5.3 |
| Dimension S2 (profiled rail systems) | M6 |
| Dimension S5 (profiled rail system) [mm] | 6 |
| Dimension S9 | M3x5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 5 |
| Dimension T1 min [mm] | 13 |
| Dimension V1 [mm] | 6 |
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