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Address: Suzhou City, Jiangsu Province, China, 215000
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Tel: 0086-512-68235075
R166611420 Original Rexroth Linear Bearing Block
BALL RUNNER BLOCK CARBON STEEL KWD-015-SKS-C1-N-1
- Size 15
- Format SKS: Width = slimline, length = short, 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 = 44.7 mm
- Interchangeability: The runner block and the guide rails can be combined with each other with every accuracy.
Product Features
The Rexroth R166611420 stands out for its compact design and high load ratings across all four loading directions. Its optimized entry-zone geometry and high ball count minimize elastic deflection, ensuring smooth, precise motion. Key features include:
- Compact SKS Format: Slimline width (34 mm / 1.34 inches), short length (44.7 mm / 1.76 inches), and standard height (24 mm / 0.94 inches with guide rail).
- High Load Capacity: Dynamic load capacity of 6720 N (C100) and static load capacity of 7340 N (C0).
- Integrated Sealing: All-round sealing protects against contaminants, enhancing service life.
- Long-Term Lubrication: Pre-lubricated with Dynalub 510 grease, supporting years of maintenance-free operation.
- Interchangeability: Compatible with all SNS/SNO ball guide rails within the same accuracy class.
- Low Friction: Friction coefficient of 0.002–0.003 for efficient motion.
Technical Specifications
The Rexroth R166611420 linear bearing block is designed with precision engineering to meet rigorous industrial standards. Below is a detailed comparison of its technical parameters:
| Parameter | Value | Engineering Explanation |
|---|---|---|
| Nominal Size | 15 mm (0.59 inches) | Defines the block’s compatibility with 15 mm guide rails, ensuring precise fit. |
| Width of Runner Block | 34 mm (1.34 inches) | Compact width for space-constrained applications. |
| Length of Runner Block | 44.7 mm (1.76 inches) | Short length optimizes space in longitudinal direction. |
| Height of Runner Block with Guide Rail | 24 mm (0.94 inches) | Standard height ensures stability during high-load operations. |
| Dynamic Load Capacity C100 | 6720 N | Maximum load the block can handle over 100,000 m travel, ideal for dynamic applications. |
| Static Load Capacity C0 | 7340 N | Maximum stationary load, ensuring stability under heavy loads. |
| Maximum Acceleration (amax) | 500 m/s² | High acceleration capability for rapid motion in automation systems. |
| Maximum Permissible Linear Speed (vmax) | 5 m/s | Ensures high-speed performance without compromising precision. |
| Friction Coefficient (μ) | 0.002–0.003 | Low friction for energy-efficient motion and reduced wear. |
| Permissible Ambient Temperature | -10 °C to +80 °C (14 °F to 176 °F), 100 °C (212 °F) for short periods | Wide temperature range for versatile industrial environments. |
| Weight | 0.14 kg (0.31 lbs) | Lightweight design reduces overall system weight. |
| Preload Class | C1 – Low Preload | Minimizes internal resistance for smoother motion. |
| Accuracy Class | N – Normal | Standard accuracy for general-purpose precision applications. |
| Seal Type | SS – Standard Seal | Protects against dust and debris, extending operational life. |
Technical Attributes
| Version | Ball rail system |
| Nominal size [mm] | 15 |
| Format | SKS – slimline, short, 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] | 34 |
| Length of runner block [mm] | 44.7 |
| Height of runner block [mm] | 19.9 |
| Height runner block with guide rail [mm] | 24 |
| Lubrication | With initial lubrication and preservation |
| Dynamic load capacity C100 [N] | 6720 |
| 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] | 0.14 |
| Dynamic load capacity C50 [N] | 8470 |
| Note: dynamic load capacity C50 | Dynamic load capacity and load moments based on a travel of 50,000 m. |
| Static load capacity C0 [N] | 7340 |
| Dynamic torsional moment load capacity Mt50 [Nm] | 82 |
| 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] | 65 |
| 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] | 71 |
| Dynamic longitudinal moment load capacity ML50 [Nm] | 37 |
| 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] | 29 |
| 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] | 32 |
| Pitch T guide rail [mm] | 60 |
| Dimension A (profiled rail systems) [mm] | 34 |
| Dimension A1 (profiled rail systems) [mm] | 17 |
| Dimension A2 (profiled rail systems) [mm] | 15 |
| Dimension A3 (profiled rail systems) [mm] | 9.5 |
| Dimension B (profiled rail systems) [mm] | 44.7 |
| Dimension B tolerance (profiled rail systems) [mm] | +0.5 |
| Dimension B1 [mm] | 25.7 |
| Dimension E1 [mm] | 26 |
| Dimension E8 (profiled rail systems) [mm] | 24.55 |
| Dimension E9 (profiled rail systems) [mm] | 6.7 |
| Dimension H [mm] | 24 |
| Dimension H1 (profiled rail systems) [mm] | 19.9 |
| Dimension H2 with cover strip (profiled rail systems) [mm] | 16.3 |
| Dimension H2 without cover strip (profiled rail systems) [mm] | 16.2 |
| Dimension K1 (profiled rail systems) [mm] | 16.25 |
| Dimension K2 (profiled rail systems) [mm] | 17.85 |
| Dimension K3 (profiled rail systems) [mm] | 3.2 |
| Dimension K4 (profiled rail systems) [mm] | 3.2 |
| Dimension N3 (profiled rail systems) [mm] | 6 |
| Dimension N6 (profiled rail systems) [mm] | 10.3 |
| Dimension N6 tolerance (profiled rail systems) [mm] | ±0.5 |
| Dimension S2 (profiled rail systems) | M4 |
| Dimension S5 (profiled rail system) [mm] | 4.5 |
| Dimension S9 | M2,5×3.5 mm |
| Dimension S9 thread diameter (profiled rail systems) | M2,5 |
| Dimension S9 lead [mm] | 3.5 |
| Dimension T1 min [mm] | 12 |
| Dimension V1 [mm] | 5 |
FAQ
1. What guide rails are compatible with the Rexroth R166611420 linear bearing block?
The R166611420 is compatible with all SNS/SNO ball guide rails within the same accuracy class, offering limitless interchangeability.
2. How often does the R166611420 require relubrication?
The block is pre-lubricated with Dynalub 510 grease, supporting long-term operation for several years. Relubrication depends on application conditions and can be done via the lubrication nipple.
3. Can the R166611420 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). Consult Bosch Rexroth for negative temperature applications.
4. What is the preload class of the R166611420?
The block features a C1 low preload class, reducing internal resistance for smoother, more efficient motion.
5. Is the R166611420 suitable for high-speed applications?
Yes, with a maximum permissible linear speed of 5 m/s and excellent dynamic characteristics, it is ideal for high-speed automation systems.
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