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BOSCH REXROTH
R205D21220


$333.70 USD
  • BOSCH REXROTH
  • Material:R205D21220
  • Model:KWE-025-SLS-C1-P-1

Quantity in stock: 0

Note: Sales tax, and shipping will be calculated at checkout.
***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth B.RUNNER BLOCK CS KWE-025-SLS-C1-P-1 (R205D21220) is a high-precision ball runner block designed for use in linear motion and guidance systems. This component is part of the BSCL ball runner block series, which is known for its slimline, long, standard height format (SLS). The runner block body is constructed from unalloyed steel CS, ensuring durability and strength. It features a low preload class C, indicating minimal pre-tensioning of the ball bearings for smooth movement. This model boasts an accuracy class P, making it suitable for applications requiring precise positioning and movement. It does not include a ball chain but comes with initial lubrication and preservation to ensure longevity and reliability right out of the box. The overall length of the runner block is specified by the manufacturer's standard dimensions. The B.RUNNER BLOCK CS KWE-025-SLS-C1-P-1 offers interchangeability with guide rails across all accuracy classes, providing flexibility in system design and maintenance. It is ideal for applications with limited space in the transverse direction yet requiring high rigidity. With an impressive load capacity, this runner block can withstand very high loads when mounted from above. The static load rating C0 and dynamic load rating C indicate this model's capability to handle substantial static and dynamic forces, respectively. Moreover, it can accommodate significant torsional moment loads statically (Mt0) and dynamically (Mt), highlighting its robustness in various operational conditions. This product has been engineered to operate effectively within a wide temperature range, ensuring reliable performance under varying environmental conditions. The friction coefficient remains low without seal friction to minimize resistance during operation. In summary, the Bosch Rexroth B.RUNNER BLOCK CS KWE-025-SLS-C1-P-1 (R205D21220) is a versatile and precise component suitable for demanding linear motion applications where space constraints are present but rigidity cannot be compromised. Its robust construction coupled with precision engineering makes it an essential element in advanced mechanical systems requiring linear guidance.


BSCL ball runner block, SLS, size 25, steel CS, accuracy precise, low preload

The BSCL ball runner block is precise and characterized by the following product features:
Size 25
Format SLS - slimline, long, standard height
Runner block body made of unalloyed steel CS
Preload class C1: Low preload
Accuracy class P: Precise
Without ball chain
With initial lubrication and preservation
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.

Unpacked Weight: 0.670 kg
Area of application: For restricted space in the transverse direction and high rigidity requirements
Load capacity: Very high
For mounting from above
Height of runner block30
Size E135
Footnote permissible ambient temperature (min ... max)100 °C admissible for short time.
Footnote friction coefficient μFriction coefficient µ without seal friction
Permissible ambient temperature-10 °C ... +80 °C
FormatSLS - slimline, long, standard height
Ball chainWithout ball chain (standard)
Friction coefficient μ0,002 ... 0,003
Size B tolerance (profiled rail systems)+0.5
Pitch T guide rail60
Height of runner block with guide rail36
Static load rating C044200
Preload classC1 - Low preload
Size B179.5
Size H (profiled rail system)36
Friction coefficient μ min.0.002
Accuracy classP - Precise
Size K4 (profiled rail systems)7
Size B with tolerance (profiled rail systems)107,9 mm +0,5
Size H2 (profiled rail systems)20
Height of guide rail H220
Size K3 (profiled rail systems)7
Size A223
Static torsional moment load capacity Mt0550
Dynamic torsional moment load capacity Mt100350
Width of runner block48
Size A124
Size E8 (profiled rail systems)33
Length of runner block107.9
Dynamic load capacity C28000
Static longitudinal moment load capacity ML0620
Size E9 (profiled rail systems)13
Size T (profiled rail systems)60
Size N6 with tolerance (profiled rail systems)11,3 mm ±0,5
Dynamic load capacity C5035300
Dynamic longitudinal moment load capacity ML50490
Size S5 (profiled rail system)7
Max. acceleration amax250
Dynamic load capacity C10028000
Dynamic torsional moment load capacity Mt50440
Dynamic longitudinal moment load capacity ML100390
Size A (profiled rail systems)48
Size N6 tolerance (profiled rail systems)±0.5
Size A3 (profiled rail systems)23.5
Preload force450
Maximum permissible linear speed vmax3
LubricationWith initial lubrication and preservation
Size N3 (profiled rail systems)9
Size N6 (profiled rail systems)11.3
Friction coefficient μ max.0.003
Size B (profiled rail systems)107.9
Size N39
SealSS – standard seal
Size K2 (profiled rail systems)20.85
Size V17.5
Productgroup ID17
Size K1 (profiled rail systems)20.8
Permissible ambient temperature (max)+80
Size S9 thread diameter x lead with tolerance (profiled rail systems)M3x6,5
Size E250
Size S2 (profiled rail systems)M6
Permissible ambient temperature (min)-10
Note: Max. acceleration amaxIf Fcomb◡> 2.8 • Fpr : amax = 50 m/s2
Size T1 min (profiled rail systems)13
Size S9 thread diameter x lead with (profiled rail systems)M3x6,5
Weight0.670
Size H130
Nominal size25
VersionBall rail system
Size H1 (profiled rail systems)30