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Tel: 0086-512-68235075
R162222420 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-025-SNS-C2-N-1
- Size 25
- Format SNS: Width = slimline, length = normal, height = standard
- Runner block body made of unalloyed steel CS
- Preload class C2: Medium preload
- Accuracy class N: Normal
- 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 = 86.2 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
R162222420 Original Rexroth Linear Bearing Block Specifications
| Parameter | Specification | Engineering Significance | Standard Compliance |
|---|---|---|---|
| Dynamic Load Capacity (C100) | 28,600N (6,430 lbf) | Maximum cyclic load at 100km travel | DIN ISO 14728-1 |
| Static Load Capacity (C0) | 35,900N (8,070 lbf) | Ultimate load before permanent deformation | JIS B 1192 |
| Moment Stiffness (Mt100) | 410Nm (302 lb-ft) | Torsional resistance at operational limits | ANSI/B93.55M |
| Operating Temperature | -10°C to +80°C (14°F to 176°F) | Maintained lubrication efficiency range | CE Directive 2006/42/EC |
| Product attributes | |
|---|---|
| Nominal size [mm] | 25 |
| Format | SNS – slimline, normal, standard height |
| Model | High-precision ball runner block |
| Material | Carbon steel |
| Preload class | C2 – Medium 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] | 48 |
| 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 |
| 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] | 0.5 |
| 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] | 48 |
| Dimension B (profiled rail systems) [mm] | 86.2 |
| Dimension B1 [mm] | 57.8 |
| Dimension H [mm] | 36 |
| Dimension T1 min [mm] | 13 |
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