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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R163111420 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK ALUMINUM KWD-015-FNS-C1-N-1
- Size 15
- Format FNS: Width = flange, length = normal, height = standard
- Runner block body made of aluminum
- Preload class C1: Low preload
- Accuracy class N: Standard
- 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 = 58.2 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
- Lightweight Aluminum Construction: Weighs only 0.1 kg (0.22 lbs), 60% lighter than steel runner blocks, ideal for applications prioritizing weight reduction.
- High Precision: Patented entry-zone geometry increases travel accuracy by up to six times, ensuring minimal elastic deflection.
- Interchangeability: Compatible with all SNS ball guide rails, allowing limitless combinations within accuracy classes H and N.
- Enhanced Rigidity: Two additional central mounting screw holes improve stability under lift-off and side-loading conditions.
- Long-Term Lubrication: Factory pre-lubricated with an integrated oil reservoir, supporting years of maintenance-free operation.
- Flexible Mounting: Attachments can be mounted from above or below, with predrilled holes for pinned fitting to ensure precise alignment.
Technical Specifications
The following table outlines the technical parameters of the Rexroth R163111420 aluminum ball runner block, providing a clear comparison of its capabilities.
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 15 mm (0.59 inches) | Defines the size compatibility with guide rails, ensuring proper fit in linear motion systems. |
| Width of Runner Block | 47 mm (1.85 inches) | Determines the block’s footprint, critical for space-constrained applications. |
| Length of Runner Block | 58.2 mm (2.29 inches) | Specifies the overall length, impacting stability and load distribution. |
| Height of Runner Block | 19.9 mm (0.78 inches) | Indicates the vertical dimension, affecting clearance in assembly. |
| Height with Guide Rail | 24 mm (0.94 inches) | Total height when mounted, essential for system integration. |
| Dynamic Load Capacity C100 | 9860 N (2215 lbf) | Maximum load the block can handle over 100,000 m travel, per DIN ISO 14728-1. |
| Dynamic Load Capacity C50 | 12400 N (2788 lbf) | Load capacity for 50,000 m travel, offering higher capacity for shorter distances. |
| Maximum Dynamic Load Fmax | 3000 N (674 lbf) | Peak load the block can withstand during operation. |
| Maximum Permissible Linear Speed vmax | 5 m/s (16.4 ft/s) | Top speed for safe and reliable operation. |
| Maximum Acceleration amax | 500 m/s² (1640 ft/s²) | Maximum acceleration, reduced to 50 m/s² under specific load conditions. |
| Friction Coefficient μ | 0.002 – 0.003 | Low friction ensures efficient motion and reduced wear, excluding seal friction. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) for short periods | Operating temperature range, ensuring reliability in varied environments. |
| Weight | 0.1 kg (0.22 lbs) | Lightweight design reduces system inertia and energy consumption. |
| Maximum Torsional Moment Mt max | 29 Nm (21.39 ft-lb) | Maximum twisting force the block can endure, critical for stability. |
| Maximum Longitudinal Load Moment ML max | 16 Nm (11.80 ft-lb) | Maximum longitudinal force, ensuring structural integrity under load. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 15 |
| Format | FNS – flange, normal, standard height |
| Model | High-precision ball runner block |
| Material | Aluminum |
| Preload class | C1 – Low preload |
| Accuracy class | N – Normal |
| Seal | SS – Standard seal |
| Ball chain | Without ball chain (standard) |
| Self-aligning for compensation of misalignments | Without self-alignment |
| Width of runner block [mm] | 47 |
| Length of runner block [mm] | 58.2 |
| Height of runner block [mm] | 19.9 |
| Height runner block with guide rail [mm] | 24 |
| Lubrication | With initial lubrication and preservation |
| Maximum dynamic load Fmax [N] | 3000 |
| Dynamic load capacity C100 [N] | 9860 |
| 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 |
| Maximum permissible torsional moment Mt max [Nm] | 29 |
| Maximum permissible longitudinal load moment ML max [Nm] | 16 |
| 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] | 0.1 |
| Dynamic load capacity C50 [N] | 12400 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Dynamic torsional moment load capacity Mt50 [Nm] | 120 |
| 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] | 95 |
| 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. |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 86 |
| 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] | 68 |
| 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. |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 47 |
| Dimension A1 (profiled rail systems) [mm] | 23.5 |
| Dimension A2 (profiled rail systems) [mm] | 15 |
| Dimension A3 (profiled rail systems) [mm] | 16 |
| Dimension B (profiled rail systems) [mm] | 58.2 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 39.2 |
| Dimension E1 [mm] | 38 |
| Dimension E2 (profiled rail systems) [mm] | 30 |
| Dimension E3 (profiled rail systems) [mm] | 26 |
| Dimension E8 (profiled rail systems) [mm] | 24.55 |
| Dimension E9 (profiled rail systems) [mm] | 6.7 |
| Dimension H [mm] | 24 |
| Dimension H1 (profiled rail systems) [mm] | 19.9 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 16.3 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 16.2 |
| Dimension K1 (profiled rail systems) [mm] | 8 |
| Dimension K2 (profiled rail systems) [mm] | 9.6 |
| Dimension K3 (profiled rail systems) [mm] | 3.2 |
| Dimension K4 (profiled rail systems) [mm] | 3.2 |
| Dimension N1 (profiled rail systems) [mm] | 5.2 |
| Dimension N2 (profiled rail systems) [mm] | 4.4 |
| Dimension N4 (profiled rail systems) [mm] | 10.3 |
| Dimension N6 (profiled rail systems) [mm] | 10.3 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 4.3 |
| Dimension S11 (profiled rail systems) [mm] | 3.7 |
| Dimension S2 (profiled rail systems) | M5 |
| Dimension S5 (profiled rail system) [mm] | 4.5 |
| Dimension S9 | M2,5×3.5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M2,5 |
| Dimension S9 lead [mm] | 3.5 |
| Dimension T1 min [mm] | 12 |
| Dimension V1 [mm] | 5 |
FAQ
1. What is the primary material of the Rexroth R163111420 ball runner block?
The block is made of aluminum, offering a 60% weight reduction compared to steel versions.
2. Can the R163111420 be used with all SNS ball guide rails?
Yes, it is fully compatible with all SNS ball guide rails, ensuring limitless interchangeability within accuracy classes.
3. What is the maximum dynamic load capacity of this linear bearing block?
The dynamic load capacity is 9860 N (2215 lbf) for 100,000 m travel and 12400 N (2788 lbf) for 50,000 m travel.
4. How does the patented entry-zone geometry benefit performance?
It increases travel accuracy by up to six times, minimizing elastic deflection for precise motion.
5. What lubrication is used in the R163111420, and how long does it last?
It uses Dynalub 510 grease with an integrated oil reservoir, supporting long-term lubrication for several years.
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