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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R165182320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-020-FNS-C2-H-1
- Size 20
- 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 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 = 75.0 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Key Product Features
- High Rigidity: Supports single-block-per-rail setups due to exceptional rigidity in all load directions, enhanced by a preloaded O-arrangement.
- Maximum Precision: Patented entry zone increases travel accuracy by up to six times, ideal for applications requiring exact positioning.
- Low Friction: Friction coefficient of 0.002–0.003 ensures smooth motion with minimal oscillations, even under heavy external loads.
- Versatile Mounting: Attachments can be mounted from above or below, with end-face fastening threads and metal-threaded lube fittings for easy installation.
- Integrated Sealing: All-round sealing protects against contaminants, extending service life in harsh industrial environments.
- Long-Term Lubrication: Factory pre-lubrication with Dynalub 510 grease supports years of maintenance-free operation.
- High Torque Capacity: Handles high torque loads, making it suitable for dynamic and heavy-duty applications.
- Optional Measuring System: Offers an inductive, wear-free measuring system for enhanced precision in specialized setups.
The Rexroth R165182320 linear bearing block with its FNS format (flange, normal length, standard height), it offers versatile compatibility with SNS/SNO ball guide rails, supporting seamless integration into various automation systems. Featuring a patented entry zone, this linear bearing block enhances travel accuracy by up to six times, ensuring maximum precision in motion control. Its low friction coefficient (0.002–0.003) minimizes oscillations, providing smooth operation even under external loads. Pre-lubricated with Dynalub 510 grease, the block supports long-term maintenance-free performance, reducing downtime in high-rigidity applications.
Technical Specifications
The Rexroth R165182320 linear bearing block is engineered with precise technical attributes to meet the demands of high-performance linear motion systems. Below is a detailed comparison of its key parameters:
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 20 mm (0.787 in) | Defines the standard size of the block, ensuring compatibility with corresponding guide rails. |
| Width of Runner Block | 63 mm (2.480 in) | Determines the block’s lateral dimension, critical for stable mounting and load distribution. |
| Length of Runner Block | 75 mm (2.953 in) | Specifies the block’s longitudinal size, affecting travel distance and structural integrity. |
| Height of Runner Block | 25.35 mm (0.998 in) | Indicates the block’s vertical dimension, ensuring proper alignment with guide rails. |
| Height with Guide Rail | 30 mm (1.181 in) | Total height including the rail, critical for system clearance and integration. |
| Dynamic Load Capacity C100 | 23400 N (5259 lbf) | Maximum load the block can handle during motion (100,000 m travel), ensuring durability under dynamic conditions. |
| Static Load Capacity C0 | 29800 N (6699 lbf) | Maximum load the block can withstand when stationary, indicating structural strength. |
| Dynamic Torsional Moment Mt100 | 300 Nm (221.3 ft-lb) | Measures resistance to twisting forces during motion, critical for rotational stability. |
| Static Torsional Moment Mt0 | 380 Nm (280.3 ft-lb) | Resistance to twisting when stationary, ensuring stability under static loads. |
| Dynamic Longitudinal Moment ML100 | 200 Nm (147.5 ft-lb) | Capacity to handle longitudinal forces during motion, enhancing system balance. |
| Static Longitudinal Moment ML0 | 260 Nm (191.8 ft-lb) | Resistance to longitudinal forces when stationary, supporting heavy static loads. |
| Maximum Acceleration amax | 500 m/s² (1640 ft/s²) | Maximum acceleration the block can achieve, critical for high-speed applications. |
| Maximum Linear Speed vmax | 5 m/s (16.4 ft/s) | Fastest permissible speed, ensuring safe and efficient operation. |
| Friction Coefficient μ | 0.002–0.003 | Low friction ensures smooth motion, reducing wear and energy consumption. |
| 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 | 0.45 kg (0.992 lb) | Lightweight design minimizes system load while maintaining strength. |
| Preload Class | C2 – Medium Preload | Moderate preload enhances rigidity and precision without excessive friction. |
| Accuracy Class | H – Highly Accurate | Ensures precise positioning, critical for high-precision applications. |
| Seal Type | SS – Standard Seal | Protects against contaminants, extending service life in industrial settings. |
| Lubrication | Initial lubrication with Dynalub 510 grease | Reduces maintenance needs and supports long-term performance. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 20 |
| Format | FNS – flange, normal, standard height |
| 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] | 63 |
| Length of runner block [mm] | 75 |
| 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] | 23400 |
| 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] | 0.45 |
| Dynamic load capacity C50 [N] | 29500 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 29800 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 380 |
| 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] | 300 |
| 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] | 380 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 250 |
| 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] | 200 |
| 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] | 260 |
| 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] | 75 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 49.6 |
| 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] | 11.8 |
| Dimension K2 (profiled rail systems) [mm] | 11.8 |
| 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 |
FAQ
1. What guide rails are compatible with the Rexroth R165182320 linear bearing block?
The R165182320 is compatible with all SNS/SNO ball guide rails from Bosch Rexroth, ensuring versatile integration into various linear motion systems.
2. What is the maintenance requirement for this linear bearing block?
The block is pre-lubricated with Dynalub 510 grease, supporting long-term, maintenance-free operation for several years under normal conditions.
3. Can the R165182320 operate in extreme temperatures?
It operates reliably from -10°C to +80°C (14°F to 176°F), with short-term tolerance up to 100°C (212°F). Consult Bosch Rexroth for negative temperature applications.
4. What is the accuracy level of this linear bearing block?
The R165182320 features a high-accuracy class (H), ensuring precise positioning for applications requiring exact motion control.
5. How does the patented entry zone benefit performance?
The patented entry zone increases travel accuracy by up to six times, providing exceptional precision in high-rigidity applications.
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