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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R165141320 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-045-FNS-C1-N-1
- Size 45
- Format FNS: Width = flange, length = normal, height = standard
- Runner block body made of unalloyed steel CS
- 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 = 137.6 mm
Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Key Product Features
- High Precision: Accuracy class H ensures pinpoint positioning for demanding applications.
- Robust Design: Carbon steel construction with a weight of 3.17 kg (6.99 lbs) for durability.
- Low Friction: Friction coefficient of 0.002–0.003 minimizes energy loss.
- Long-Term Lubrication: Pre-lubricated with Dynalub 510, supporting years of maintenance-free operation.
- Versatile Mounting: Attachments can be mounted from above or below, with M12 screw holes for secure installation.
- High Load Capacity: Dynamic load capacity of 86,400 N and static load capacity of 132,000 N for heavy-duty tasks.
Bosch Rexroth, a global leader in linear motion technology, integrates innovative features into the R165141320. Its patented entry zone enhances travel accuracy by up to six times, while the integrated all-round sealing and low friction coefficient (0.002–0.003) reduce oscillations, ensuring consistent performance under external loads. With a dynamic load capacity of 86,400 N and a static load capacity of 132,000 N, this linear bearing block supports high torque and rigidity in all load directions, making it suitable for single-block-per-rail setups.
Technical Specifications
The Rexroth R165141320 linear bearing block is designed with precise dimensions and performance metrics to meet rigorous engineering standards. Below is a detailed comparison of its technical parameters, presented in a structured format for clarity.
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 45 mm (1.77 in) | Defines the block’s compatibility with 45 mm guide rails, ensuring proper fit and load distribution. |
| Width (A) | 120 mm (4.72 in) | Width of the block, providing stability for flange-type mounting. |
| Length (B) | 137.6 mm (5.42 in) | Total length of the block, affecting load distribution and mounting space. |
| Height with Rail (H) | 60 mm (2.36 in) | Overall height including the guide rail, critical for system integration. |
| Hole Distance (E1) | 100 mm (3.94 in) | Distance between mounting holes along the length, ensuring secure attachment. |
| Hole Distance (E2) | 80 mm (3.15 in) | Distance between mounting holes across the width, enhancing rigidity. |
| Dynamic Load Capacity (C100) | 86,400 N | Maximum load the block can handle during motion (100,000 m travel), ensuring reliability under dynamic conditions. |
| Static Load Capacity (C0) | 132,000 N | Maximum load the block can withstand when stationary, critical for heavy-duty applications. |
| Dynamic Torsional Moment (Mt100) | 2,330 Nm | Resistance to twisting forces during motion, ensuring stability under torque. |
| Static Torsional Moment (Mt0) | 3,560 Nm | Resistance to twisting forces when stationary, enhancing system rigidity. |
| Maximum Acceleration (amax) | 500 m/s² | Maximum acceleration the block can handle, critical for high-speed applications. |
| Maximum Linear Speed (vmax) | 5 m/s | Maximum speed for linear motion, ensuring operational efficiency. |
| Weight | 3.17 kg (6.99 lbs) | Block’s weight, balancing durability and ease of integration. |
| Operating Temperature | -10°C to +80°C (14°F to 176°F), up to 100°C (212°F) briefly | Range of temperatures for reliable operation, adaptable to various environments. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 45 |
| Format | FNS – flange, normal, standard height |
| Model | High-precision ball runner block |
| Material | Carbon steel |
| 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] | 120 |
| Length of runner block [mm] | 137.6 |
| Height of runner block [mm] | 50.3 |
| Height runner block with guide rail [mm] | 60 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C100 [N] | 86400 |
| 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] | 3.17 |
| Dynamic load capacity C50 [N] | 109000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 132000 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 2940 |
| 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] | 2330 |
| 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] | 3560 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 1940 |
| 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] | 1540 |
| 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] | 2350 |
| Pitch T guide rail [mm] | 105 |
| Dimension A (profiled rail systems) [mm] | 120 |
| Dimension A1 (profiled rail systems) [mm] | 60 |
| Dimension A2 (profiled rail systems) [mm] | 45 |
| Dimension A3 (profiled rail systems) [mm] | 37.5 |
| Dimension B (profiled rail systems) [mm] | 137.6 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 97 |
| Dimension E1 [mm] | 100 |
| Dimension E2 (profiled rail systems) [mm] | 80 |
| Dimension E3 (profiled rail systems) [mm] | 60 |
| Dimension E8 (profiled rail systems) [mm] | 69.8 |
| Dimension E9 (profiled rail systems) [mm] | 20.9 |
| Dimension H [mm] | 60 |
| Dimension H1 (profiled rail systems) [mm] | 50.3 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 40.15 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 39.85 |
| Dimension K1 (profiled rail systems) [mm] | 17.3 |
| Dimension K2 (profiled rail systems) [mm] | 19.3 |
| Dimension K3 (profiled rail systems) [mm] | 8.2 |
| Dimension K4 (profiled rail systems) [mm] | 8.2 |
| Dimension N1 (profiled rail systems) [mm] | 15 |
| Dimension N2 (profiled rail systems) [mm] | 12.4 |
| Dimension N6 (profiled rail systems) [mm] | 23.5 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 10.4 |
| Dimension S2 (profiled rail systems) | M12 |
| Dimension S5 (profiled rail system) [mm] | 14 |
| Dimension S9 | M4x7 mm |
| Dimension S9 thread diameter (profiled rail systems) | M4 |
| Dimension S9 lead [mm] | 7 |
| Dimension T1 min [mm] | 18 |
| Dimension V1 [mm] | 10 |
FAQ
1. What guide rails are compatible with the Rexroth R165141320?
The R165141320 is compatible with R1605_ and R1607_ linear guide rails, as well as all SNS/SNO ball guide rails, ensuring versatile integration.
2. What is the preload class of the R165141320?
It features a C1 moderate preload, balancing low friction with stable performance under load.
3. Can the R165141320 operate in extreme temperatures?
Yes, it operates reliably from -10°C to +80°C (14°F to 176°F), with brief exposure up to 100°C (212°F) permissible.
4. How is the R165141320 lubricated?
It comes pre-lubricated with Dynalub 510 grease and supports long-term lubrication via a relubrication nipple.
5. What is the accuracy class of this linear bearing block?
The R165141320 has a high accuracy class (H), ensuring precise positioning for demanding applications.
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