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Tel: 0086-512-68235075
R165152310 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWC-055-FNS-C2-H-2
- Size 55
- 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
- Preserved
- Without initial lubrication
- Without attachment element, left (front reference edge)
- Without attachment element, right (front reference edge)
- 45° angular lube nipples loosely attached.
- Runner block body in standard version
- Overall length of the runner block = 159.0 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R165152310 Original Rexroth Linear Bearing Block Specifications
The Rexroth R165152310 linear bearing block is designed with precision to meet rigorous industrial standards. Below is a detailed breakdown of its technical parameters:
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 55 mm | Defines the block’s size compatibility with guide rails, ensuring proper fit in heavy-duty systems. |
| Format | FNS (Flange, Normal, Standard Height) | Flange width, normal length, and standard height provide versatile mounting options. |
| Material | Carbon Steel | High-strength material ensures durability and resistance to wear in demanding conditions. |
| Preload Class | C2 (Medium Preload) | Balances rigidity and smooth motion, reducing play for precise linear movement. |
| Accuracy Class | H (Highly Accurate) | Ensures minimal deviation in motion, critical for precision applications. |
| Dynamic Load Capacity C100 | 109,000 N | Measures the block’s ability to handle dynamic loads over 100,000 m travel (per DIN ISO 14728-1). |
| Dynamic Load Capacity C50 | 137,000 N | Higher capacity for 50,000 m travel, offering flexibility for shorter travel distances. |
| Static Load Capacity C0 | 174,000 N | Indicates the block’s ability to support stationary loads without deformation. |
| Dynamic Torsional Moment Mt100 | 3,480 Nm | Measures resistance to twisting forces during 100,000 m travel, ensuring stability. |
| Static Torsional Moment Mt0 | 5,550 Nm | Provides high resistance to static twisting forces, critical for heavy machinery. |
| Maximum Acceleration amax | 250 m/s² (50 m/s² if Fcomb > 2.8 • Fpr) | Defines the block’s ability to handle rapid acceleration in dynamic applications. |
| Maximum Linear Speed vmax | 5 m/s | Ensures reliable performance at high speeds without compromising precision. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) for short periods | Wide temperature range supports diverse operating environments. |
| Friction Coefficient μ | 0.002–0.003 | Low friction ensures energy efficiency and smooth operation. |
| Weight | 5.04 kg (11.11 lbs) | Robust yet manageable weight for heavy-duty applications. |
| Width of Runner Block | 140 mm (5.51 in) | Wide flange design enhances stability and load distribution. |
| Length of Runner Block | 159 mm (6.26 in) | Optimal length for balanced performance in linear motion systems. |
| Height of Runner Block | 57 mm (2.24 in) | Standard height ensures compatibility with SNS guide rails. |
| Height with Guide Rail | 70 mm (2.76 in) | Total height with rail ensures proper clearance in system design. |
| Pitch T Guide Rail | 120 mm (4.72 in) | Standardized pitch for seamless rail integration. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 55 |
| Format | FNS – flange, normal, standard height |
| Model | Heavy-duty 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] | 140 |
| Length of runner block [mm] | 159 |
| Height of runner block [mm] | 57 |
| Height runner block with guide rail [mm] | 70 |
| Lubrication | With preservation and without initial lubrication |
| Dynamic load capacity C100 [N] | 109000 |
| 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] | 250 |
| 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] | 5.04 |
| Dynamic load capacity C50 [N] | 137000 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 174000 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 4390 |
| 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] | 3480 |
| 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] | 5550 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 2920 |
| 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] | 2320 |
| 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] | 3690 |
| Pitch T guide rail [mm] | 120 |
| Dimension A (profiled rail systems) [mm] | 140 |
| Dimension A1 (profiled rail systems) [mm] | 70 |
| Dimension A2 (profiled rail systems) [mm] | 53 |
| Dimension A3 (profiled rail systems) [mm] | 43.5 |
| Dimension B (profiled rail systems) [mm] | 159 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 115.5 |
| Dimension E1 [mm] | 116 |
| Dimension E2 (profiled rail systems) [mm] | 95 |
| Dimension E3 (profiled rail systems) [mm] | 70 |
| Dimension E8 (profiled rail systems) [mm] | 80 |
| Dimension E9 (profiled rail systems) [mm] | 22.3 |
| Dimension H [mm] | 70 |
| Dimension H1 (profiled rail systems) [mm] | 57 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 48.15 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 47.85 |
| Dimension K3 (profiled rail systems) [mm] | 9 |
| Dimension N1 (profiled rail systems) [mm] | 18 |
| Dimension N2 (profiled rail systems) [mm] | 13.5 |
| Dimension N6 (profiled rail systems) [mm] | 29 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S1 (profiled rail systems) [mm] | 12.4 |
| Dimension S2 (profiled rail systems) | M14 |
| Dimension S5 (profiled rail system) [mm] | 16 |
| Dimension S9 | M5x8 mm |
| Dimension S9 thread diameter (profiled rail systems) | M5 |
| Dimension S9 lead [mm] | 8 |
| Dimension T1 min [mm] | 20 |
| Dimension V1 [mm] | 12 |
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