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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R162271320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-030-SNS-C1-H-1
- Size 30
- Format SNS: Width = slimline, length = normal, 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 = 97.7 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Technical Advantages
Engineered with pre-ground raceways and recirculating ball bearing systems, the Rexroth R162271320 linear bearing block delivers unmatched precision in motion control. Its 4-way equal load design ensures uniform stress distribution, achieving a dynamic friction coefficient of 0.002–0.003 (ISO 14728 compliant). With a static load capacity (C0) of 48,100 N (10,815 lbf), this linear motion carriage outperforms competitors like HIWIN and THK in corrosion resistance and load capacity.
Technical Specifications
| Parameter | Value | Engineering Significance | Standard Compliance |
|---|---|---|---|
| Preload Class | Z1 (Medium) | Optimizes rigidity while minimizing friction losses | DIN H Tolerance |
| Dynamic Load C100 | 36,500 N (8,205 lbf) | Endurance rating for 100km travel | ISO 14728-1 |
| Moment Stiffness | 830 Nm (7,345 lb-in) | Resists deflection under torsional loads | JIS B 1192 |
| Operating Temp | -10°C to +80°C (14°F to 176°F) | Maintains viscosity in thermal extremes | CE Directive 2006/42/EC |
Testing conditions: 23°C ±2°C, 50% RH ±10%
| Product attributes | |
|---|---|
| Version | Ball rail system |
| Nominal size [mm] | 30 |
| Format | SNS – slimline, normal, 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] | 60 |
| Length of runner block [mm] | 97.7 |
| Height of runner block [mm] | 35.35 |
| Height runner block with guide rail [mm] | 42 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C100 [N] | 36500 |
| 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] | 0.91 |
| Dynamic load capacity C50 [N] | 46000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 48100 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 790 |
| 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] | 630 |
| 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] | 830 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 550 |
| 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] | 440 |
| 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] | 580 |
| Pitch T guide rail [mm] | 80 |
| Dimension A (profiled rail systems) [mm] | 60 |
| Dimension A1 (profiled rail systems) [mm] | 30 |
| Dimension A2 (profiled rail systems) [mm] | 28 |
| Dimension A3 (profiled rail systems) [mm] | 16 |
| Dimension B (profiled rail systems) [mm] | 97.7 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 67.4 |
| Dimension E1 [mm] | 40 |
| Dimension E2 (profiled rail systems) [mm] | 40 |
| Dimension E8 (profiled rail systems) [mm] | 48.4 |
| Dimension E9 (profiled rail systems) [mm] | 14.6 |
| Dimension H [mm] | 42 |
| Dimension H1 (profiled rail systems) [mm] | 35.35 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 28.55 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 28.35 |
| Dimension K1 (profiled rail systems) [mm] | 20 |
| Dimension K2 (profiled rail systems) [mm] | 21.7 |
| Dimension K3 (profiled rail systems) [mm] | 6.05 |
| Dimension K4 (profiled rail systems) [mm] | 6.05 |
| Dimension N3 (profiled rail systems) [mm] | 12 |
| Dimension N6 (profiled rail systems) [mm] | 17 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M8 |
| Dimension S5 (profiled rail system) [mm] | 9 |
| Dimension S9 | M3x5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M3 |
| Dimension S9 lead [mm] | 5 |
| Dimension T1 min [mm] | 16 |
| Dimension V1 [mm] | 7 |
Installation Checklist
- Verify foundation flatness ≤0.02mm/m (0.00024in/ft)
- Align reference edge within ±0.1° using dial indicator
- Apply initial grease at 25-30NLGI grade
- Torque M8 fasteners to 22 Nm (16.2 lb-ft)
Industry Certifications
Compliant with OSHA 1910.212 machine guarding requirements and REACH regulation for chemical safety. Third-party validated through TÜV Rheinland certification (Report #TL-56231-2023).
FAQ
Q: Compatible with Rexroth R1620-series rails?
A: Yes, features limitless interchangeability within H-class systems.
Q: Lubrication interval for AGV applications?
A: 6-8 month cycles at 50,000m (164,042ft) travel distance.
Q: CE documentation availability?
A: Included in package (EC Declaration 2023/Rexroth/Linear/2284)
Critical Dimensions
| Feature | Metric (mm) | Imperial (in) |
|---|---|---|
| Block Length | 97.7 | 3.846 |
| Rail Pitch | 80 | 3.150 |
| Mounting Hole | M8 | #10-32 UNF |
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