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The table below outlines the critical technical parameters of the Rexroth R165121220 linear bearing block, providing engineers with precise data for integration into linear motion systems.
Parameter | Value | Engineering Explanation |
---|---|---|
Nominal size | 25 mm | Defines the standard size for compatibility with guide rails, ensuring proper fit in linear motion setups. |
Width of runner block | 70 mm (2.76 inches) | Indicates the block’s width, critical for mounting and load distribution in flanged designs. |
Length of runner block | 86.2 mm (3.39 inches) | Specifies the block’s length, affecting stability and load capacity in linear motion. |
Height of runner block | 29.9 mm (1.18 inches) | Measures the block’s height, ensuring alignment with guide rails for precise motion. |
Height with guide rail | 36 mm (1.42 inches) | Total height including the rail, essential for system clearance and design. |
Dynamic load capacity C100 | 28600 N | Maximum dynamic load for 100,000 m travel, indicating durability under continuous motion. |
Dynamic load capacity C50 | 36000 N | Load capacity for 50,000 m travel, offering higher capacity for shorter travel distances. |
Static load capacity C0 | 35900 N | Maximum static load the block can withstand without deformation. |
Maximum acceleration amax | 500 m/s² (1640 ft/s²) | Maximum acceleration for high-speed applications, reduced to 50 m/s² under specific load conditions. |
Maximum permissible linear speed vmax | 5 m/s (16.4 ft/s) | Top speed for linear motion, ensuring stability and precision. |
Friction coefficient μ | 0.002–0.003 | Low friction ensures energy efficiency and smooth operation without seal friction. |
Weight | 0.67 kg (1.48 lbs) | Lightweight design reduces system inertia while maintaining strength. |
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 various industrial environments. |
Pitch T guide rail | 60 mm (2.36 inches) | Distance between mounting holes on the rail, critical for installation alignment. |
Dynamic torsional moment load capacity Mt100 | 410 Nm | Torsional load capacity for 100,000 m, ensuring stability under twisting forces. |
Static torsional moment load capacity Mt0 | 510 Nm | Maximum static torsional load, critical for stationary applications. |
Version | Ball rail system |
Nominal size [mm] | 25 |
Format | FNS – flange, normal, standard height |
Model | High-precision ball runner block |
Material | Carbon steel |
Preload class | C1 – Low preload |
Accuracy class | P – Precise |
Seal | SS – Standard seal |
Ball chain | Without ball chain (standard) |
Self-aligning for compensation of misalignments | Without self-alignment |
Width of runner block [mm] | 70 |
Length of runner block [mm] | 86.2 |
Height of runner block [mm] | 29.9 |
Height runner block with guide rail [mm] | 36 |
Lubrication | With initial lubrication and preservation |
Dynamic load capacity C100 [N] | 28600 |
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] | 0.67 |
Dynamic load capacity C50 [N] | 36000 |
Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
Static load capacity C0 [N] | 35900 |
Dynamic torsional moment load capacity Mt50 [Nm] | 520 |
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] | 410 |
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] | 510 |
Dynamic longitudinal moment load capacity ML50 [Nm] | 370 |
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] | 290 |
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] | 360 |
Pitch T guide rail [mm] | 60 |
Dimension A (profiled rail systems) [mm] | 70 |
Dimension A1 (profiled rail systems) [mm] | 35 |
Dimension A2 (profiled rail systems) [mm] | 23 |
Dimension A3 (profiled rail systems) [mm] | 23.5 |
Dimension B (profiled rail systems) [mm] | 86.2 |
Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
Dimension B1 [mm] | 57.8 |
Dimension E1 [mm] | 57 |
Dimension E2 (profiled rail systems) [mm] | 45 |
Dimension E3 (profiled rail systems) [mm] | 40 |
Dimension E8 (profiled rail systems) [mm] | 38.3 |
Dimension E9 (profiled rail systems) [mm] | 11.5 |
Dimension H [mm] | 36 |
Dimension H1 (profiled rail systems) [mm] | 29.9 |
Dimension H2 with cover strip (profiled rail systems) [mm] | 24.45 |
Dimension H2 without cover strip (profiled rail systems) [mm] | 24.25 |
Dimension K1 (profiled rail systems) [mm] | 12.45 |
Dimension K2 (profiled rail systems) [mm] | 13.6 |
Dimension K3 (profiled rail systems) [mm] | 5.5 |
Dimension K4 (profiled rail systems) [mm] | 5.5 |
Dimension N1 (profiled rail systems) [mm] | 9.3 |
Dimension N2 (profiled rail systems) [mm] | 7 |
Dimension N6 (profiled rail systems) [mm] | 15.2 |
Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
Dimension S1 (profiled rail systems) [mm] | 6.7 |
Dimension S2 (profiled rail systems) | M8 |
Dimension S5 (profiled rail system) [mm] | 7 |
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] | 7.5 |