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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R162422320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-025-SLH-C2-H-1
- Size 25
- Format SLH: Width = slimline, length = long, height = high
- Runner block body made of unalloyed steel CS
- Preload class C2: Medium 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 = 107.9 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
The Rexroth R162422320 linear bearing block stands out for its robust design and exceptional dynamic characteristics. Key features include:
- High Rigidity: Offers superior rigidity in all load directions, allowing use with a single runner block per rail, surpassing the SLS series.
- Precision Engineering: Patented entry zone increases travel accuracy up to sixfold, ideal for applications requiring exact positioning.
- Low Friction: Friction coefficient of 0.002–0.003 ensures minimal frictional oscillations, even under external loads.
- Interchangeability: Compatible with all SNS/SNO ball guide rails within the same accuracy class, offering limitless configuration flexibility.
- Long-Term Lubrication: Factory pre-lubricated with Dynalub 510, supporting maintenance-free operation for years.
- High Torque Capacity: Handles significant torsional and longitudinal moment loads, enhancing system stability.
- Quiet Operation: Optimized ball return and guideway design ensures smooth, low-noise performance.
Technical Specifications
The following table outlines the technical parameters of the Rexroth R162422320 linear bearing block, providing engineers with precise data for integration into linear motion systems.
| Parameter | Value | Explanation |
|---|---|---|
| Nominal Size | 25 mm | Defines the standard size of the ball rail system, ensuring compatibility with matching guide rails. |
| Format | SLH (Slimline, Long, High) | Describes the block’s dimensions: slim width, extended length, and high height for compact, rigid applications. |
| Material | Carbon Steel | Unalloyed steel CS provides durability and strength for heavy-duty linear motion tasks. |
| Preload Class | C2 (Medium Preload) | Ensures balanced rigidity and smoothness, reducing play in the system. |
| Accuracy Class | H (High) | Guarantees precise travel accuracy for high-precision applications. |
| Seal | SS (Standard Seal) | Protects against contaminants, maintaining performance in industrial environments. |
| Ball Chain | Without Ball Chain | Simplifies maintenance while maintaining reliable operation. |
| Width of Runner Block | 48 mm (1.89 in) | Compact width suits space-constrained setups in transverse directions. |
| Length of Runner Block | 107.9 mm (4.25 in) | Extended length enhances stability and load distribution. |
| Height of Runner Block | 33.9 mm (1.33 in) | Height ensures compatibility with standard rail systems. |
| Height with Guide Rail | 40 mm (1.57 in) | Total height when mounted on a guide rail, critical for system design. |
| Dynamic Load Capacity C100 | 37300 N | Maximum load capacity for 100,000 m travel (per DIN ISO 14728-1). |
| Dynamic Load Capacity C50 | 47000 N | Load capacity for 50,000 m travel, offering 1.26x higher values than C100. |
| Static Load Capacity C0 | 52500 N | Maximum static load the block can withstand without deformation. |
| Dynamic Torsional Moment Mt100 | 530 Nm | Torsional load capacity for 100,000 m travel, ensuring stability under torque. |
| Static Torsional Moment Mt0 | 750 Nm | Static torsional load capacity for robust performance. |
| Dynamic Longitudinal Moment ML100 | 530 Nm | Longitudinal moment capacity for 100,000 m travel, supporting linear stability. |
| Static Longitudinal Moment ML0 | 740 Nm | Static longitudinal moment capacity for stationary applications. |
| Maximum Acceleration (amax) | 500 m/s² (1640 ft/s²) | Maximum acceleration under standard conditions; 50 m/s² if combined force exceeds 2.8x preload force. |
| Maximum Linear Speed (vmax) | 5 m/s (16.4 ft/s) | Maximum permissible speed for safe 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) for short periods | Operating temperature range; consult Rexroth for negative temperature use. |
| Weight | 0.8 kg (1.76 lbs) | Lightweight design reduces system inertia. |
| Pitch T Guide Rail | 60 mm (2.36 in) | Distance between mounting holes on the guide rail for secure installation. |
| Lubrication | Initial Lubrication with Dynalub 510 | Factory-applied grease supports long-term, maintenance-free operation. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 25 |
| Format | SLH – slimline, long, high |
| Model | High-precision ball runner block |
| Material | Carbon steel |
| Preload class | C2 – Medium 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] | 48 |
| Length of runner block [mm] | 107.9 |
| Height of runner block [mm] | 33.9 |
| Height runner block with guide rail [mm] | 40 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C100 [N] | 37300 |
| 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] | 0.8 |
| Dynamic load capacity C50 [N] | 47000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 52500 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 670 |
| 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] | 530 |
| 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] | 750 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 670 |
| 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] | 530 |
| 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] | 740 |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 48 |
| Dimension A1 (profiled rail systems) [mm] | 24 |
| Dimension A2 (profiled rail systems) [mm] | 23 |
| Dimension A3 (profiled rail systems) [mm] | 12.5 |
| Dimension B (profiled rail systems) [mm] | 107.9 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 79.5 |
| Dimension E1 [mm] | 35 |
| Dimension E2 (profiled rail systems) [mm] | 50 |
| Dimension E8 (profiled rail systems) [mm] | 38.3 |
| Dimension E9 (profiled rail systems) [mm] | 15.5 |
| Dimension H [mm] | 40 |
| Dimension H1 (profiled rail systems) [mm] | 33.9 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 24.45 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 24.25 |
| Dimension K1 (profiled rail systems) [mm] | 20.8 |
| Dimension K2 (profiled rail systems) [mm] | 21.95 |
| Dimension K3 (profiled rail systems) [mm] | 9.5 |
| Dimension K4 (profiled rail systems) [mm] | 9.5 |
| Dimension N3 (profiled rail systems) [mm] | 9 |
| Dimension N6 (profiled rail systems) [mm] | 15.2 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M6 |
| Dimension S5 (profiled rail system) [mm] | 7 |
| 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] | 7.5 |
FAQ
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1. What is the preload class of the Rexroth R162422320 linear bearing block?
The R162422320 features a C2 medium preload class, providing a balance between rigidity and smooth operation for precise linear motion.
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2. Can the R162422320 be used in high-torque applications?
Yes, it has a static torsional moment capacity of 750 Nm and dynamic torsional moment capacities of 530 Nm (Mt100) and 670 Nm (Mt50), making it suitable for high-torque linear motion systems.
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3. What guide rails are compatible with this linear bearing block?
The R162422320 is compatible with all SNS/SNO ball guide rails within the same accuracy class, offering flexible configuration options.
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4. How does the patented entry zone benefit performance?
The patented entry zone increases travel accuracy by up to six times, ensuring precise positioning in demanding applications like CNC machining and robotics.
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5. What is the operating temperature range for the R162422320?
It operates between -10 °C to +80 °C (14 °F to 176 °F), with short-term tolerance up to 100 °C (212 °F). Consult Rexroth for negative temperature applications.
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