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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075

R165329420 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-025-FLS-C0-N-1
- Size 25
- Format FLS: Width = flange, length = long, height = standard
- Runner block body made of unalloyed steel CS
- Preload class C0: Preload-free
- 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 = 107.9 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Key Product Features
- High Rigidity: Supports applications with a single runner block per rail due to high load ratings in all four directions.
- Low Friction: Friction coefficient of 0.002–0.003 ensures smooth operation, even under external loads.
- Precision Engineering: Patented entry zone improves travel accuracy significantly.
- Long-Term Lubrication: Dynalub 510 grease supports years of maintenance-free operation.
- Versatile Mounting: Attachments can be mounted from above or below, with two additional central screw holes for enhanced stability.
- Optional Measuring System: Inductive, wear-free system for precise movement tracking.
Technical Specifications
The Rexroth R165329420 linear bearing block is engineered for performance. Below is a detailed comparison of its technical parameters, presented in a structured format for clarity.
Parameter | Value | Engineering Explanation |
---|---|---|
Nominal size | 25 mm (0.98 inches) | Defines the block’s compatibility with 25 mm guide rails, ensuring proper fit and load distribution. |
Width of runner block (A) | 70 mm (2.76 inches) | Provides a stable base for mounting, enhancing load-bearing capacity. |
Length of runner block (B) | 107.9 mm (4.25 inches) | Longer length increases contact area, improving stability and load capacity. |
Height of runner block (H1) | 29.9 mm (1.18 inches) | Compact height ensures compatibility with space-constrained setups. |
Height with guide rail (H) | 36 mm (1.42 inches) | Total height including rail, critical for system integration. |
Dynamic load capacity C100 | 37,300 N | Maximum load the block can handle during motion (100,000 m travel), ensuring durability. |
Static load capacity C0 | 52,500 N | Maximum stationary load, ideal for heavy-duty applications. |
Dynamic torsional moment Mt100 | 530 Nm | Resistance to twisting forces during motion, enhancing system stability. |
Static torsional moment Mt0 | 750 Nm | Stationary resistance to twisting, ensuring rigidity under load. |
Maximum acceleration (amax) | 500 m/s² (1640 ft/s²) | Supports high-speed applications with rapid starts and stops. |
Maximum linear speed (vmax) | 5 m/s (16.4 ft/s) | Ensures efficient operation in high-speed linear motion systems. |
Friction coefficient (μ) | 0.002–0.003 | Low friction reduces energy loss and wear, extending service life. |
Weight | 0.94 kg (2.07 lbs) | Lightweight yet robust, balancing ease of installation with strength. |
Permissible ambient temperature | -10°C to +80°C (14°F to 176°F), 100°C (212°F) short-term | Wide temperature range supports diverse industrial environments. |
Technical Attributes
Version | Ball rail system |
Nominal size [mm] | 25 |
Format | FLS – flange, long, standard height |
Model | High-precision ball runner block |
Material | Carbon steel |
Preload class | C0 – Without preload (clearance) |
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] | 70 |
Length of runner block [mm] | 107.9 |
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] | 37300 |
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] | 0.94 |
Dynamic load capacity C50 [N] | 47000 |
Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
Static load capacity C0 [N] | 52500 |
Dynamic torsional moment load capacity Mt50 [Nm] | 670 |
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] | 530 |
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] | 750 |
Dynamic longitudinal moment load capacity ML50 [Nm] | 670 |
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] | 530 |
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] | 740 |
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] | 107.9 |
Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
Dimension B1 [mm] | 79.5 |
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] | 23.3 |
Dimension K2 (profiled rail systems) [mm] | 24.45 |
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 |
FAQ
1. What guide rails are compatible with the R165329420 linear bearing block?
The block is compatible with all SNS/SNO ball guide rails, offering flexibility in system design.
2. How often does the R165329420 require lubrication?
With Dynalub 510 grease, it supports long-term lubrication, often lasting several years depending on operating conditions.
3. Can the R165329420 operate in extreme temperatures?
It operates reliably from -10°C to +80°C (14°F to 176°F), with short-term tolerance up to 100°C (212°F).
4. What is the preload class of this linear bearing block?
The R165329420 has a C0 preload class, meaning it is preload-free, ideal for applications requiring minimal friction.
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