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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R165172320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-030-FNS-C2-H-1
- Size 30
- 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 = 97.7 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
- High Precision: Accuracy class H ensures precise linear motion, ideal for applications demanding exact positioning.
- Robust Construction: Made from carbon steel, providing durability and high torque load capacity.
- Low Friction: Friction coefficient of 0.002–0.003 minimizes energy loss and enhances efficiency.
- Flexible Mounting: Attachments can be mounted from above and below, with end-face fastening threads for easy integration.
- Enhanced Rigidity: Preloaded O-arrangement and additional central mounting screw holes improve rigidity under lift-off and side loading.
- Long-Term Lubrication: Factory pre-lubrication with Dynalub 510 grease supports maintenance-free operation for extended periods.
- Optional Measuring System: Integrated, inductive, wear-free measuring system available for precise monitoring.
R165172320 linear bearing block offers superior durability, making it ideal for heavy-duty linear motion systems. With a nominal size of 30 mm (1.18 inches), flange-normal-standard (FNS) format, and a weight of 1.14 kg (2.51 lbs), this linear bearing block delivers consistent performance across various applications, from automation to precision machining.
Technical Parameters
| Parameter | Value | Explanation |
|---|---|---|
| Nominal size | 30 mm (1.18 inches) | Defines the size compatibility with guide rails, ensuring proper fit in linear motion systems. |
| Width of runner block | 90 mm (3.54 inches) | Determines the block’s footprint, critical for space-constrained applications. |
| Length of runner block | 97.7 mm (3.85 inches) | Impacts the block’s contact area with the rail, affecting stability and load distribution. |
| Height of runner block | 35.35 mm (1.39 inches) | Contributes to the overall system height, important for vertical space planning. |
| Height with guide rail | 42 mm (1.65 inches) | Total height including rail, essential for system integration. |
| Dynamic load capacity C100 | 36500 N (8205 lbf) | Maximum load the block can handle dynamically over 100,000 m travel, per DIN ISO 14728-1. |
| Dynamic load capacity C50 | 46000 N (10341 lbf) | Load capacity for 50,000 m travel, indicating higher endurance for shorter distances. |
| Static load capacity C0 | 48100 N (10813 lbf) | Maximum static load the block can withstand without deformation. |
| Dynamic torsional moment Mt100 | 630 Nm (464.66 ft-lb) | Torsional load capacity for 100,000 m, critical for rotational stability. |
| Static torsional moment Mt0 | 830 Nm (611.86 ft-lb) | Static torsional load capacity, ensuring stability under non-moving conditions. |
| Dynamic longitudinal moment ML100 | 440 Nm (324.27 ft-lb) | Longitudinal moment capacity for 100,000 m, supporting linear stability. |
| Static longitudinal moment ML0 | 580 Nm (427.79 ft-lb) | Static longitudinal moment capacity, vital for stationary load handling. |
| Maximum acceleration amax | 500 m/s² (1640 ft/s²) | Maximum acceleration the block can handle, reduced to 50 m/s² under specific load conditions. |
| Maximum linear speed vmax | 5 m/s (16.4 ft/s) | Top speed for linear motion, ensuring efficient operation. |
| Friction coefficient μ | 0.002–0.003 | Low friction reduces wear and energy consumption, enhancing efficiency. |
| Permissible ambient temperature | -10 °C to +80 °C (14 °F to 176 °F), up to 100 °C (212 °F) briefly | Operating temperature range, with consultation required for sub-zero conditions. |
| Weight | 1.14 kg (2.51 lbs) | Lightweight design minimizes system inertia, improving dynamic response. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 30 |
| 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] | 90 |
| 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] | 1.14 |
| 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] | 90 |
| Dimension A1 (profiled rail systems) [mm] | 45 |
| Dimension A2 (profiled rail systems) [mm] | 28 |
| Dimension A3 (profiled rail systems) [mm] | 31 |
| 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] | 72 |
| Dimension E2 (profiled rail systems) [mm] | 52 |
| Dimension E3 (profiled rail systems) [mm] | 44 |
| 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] | 14 |
| Dimension K2 (profiled rail systems) [mm] | 15.7 |
| Dimension K3 (profiled rail systems) [mm] | 6.05 |
| Dimension K4 (profiled rail systems) [mm] | 6.05 |
| Dimension N1 (profiled rail systems) [mm] | 11 |
| Dimension N2 (profiled rail systems) [mm] | 7.9 |
| Dimension N6 (profiled rail systems) [mm] | 17 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 8.5 |
| Dimension S2 (profiled rail systems) | M10 |
| 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 |
FAQ
1. What is the Rexroth R165172320 linear bearing block used for?
The R165172320 is used in high-precision linear motion applications requiring rigidity, such as CNC machines, automation systems, and semiconductor manufacturing.
2. What guide rails are compatible with the R165172320?
It is compatible with all SNS/SNO ball guide rails, offering flexibility in system design.
3. How often does the R165172320 require lubrication?
The block is pre-lubricated with Dynalub 510 grease, supporting long-term lubrication for several years, depending on operating conditions.
4. Can the R165172320 operate in extreme temperatures?
It operates between -10 °C to +80 °C (14 °F to 176 °F), with brief exposure to 100 °C (212 °F) permissible. Consult Bosch Rexroth for sub-zero conditions.
5. What is the preload class of the R165172320?
It features a C2 medium preload, balancing rigidity and smooth motion for various applications.
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