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BOSCH REXROTH
R205F21420


$239.38 USD
  • BOSCH REXROTH
  • Material:R205F21420
  • Model:KWE-025-SLH-C1-N-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-SLH-C1-N-1 (R205F21420) is a high-precision ball runner block designed for linear motion applications where space is limited in the transverse direction and where high rigidity is required. This BSCL ball runner block is notable for its slimline, long, high (SLH) format, making it suitable for applications with restricted space. The runner block body is constructed from unalloyed steel CS, ensuring durability and robust performance. With a low preload class C and standard accuracy class N, the B.RUNNER BLOCK CS KWE-025-SLH-C1-N-1 offers reliable movement without excessive friction. It comes without a ball chain but includes initial lubrication and preservation to extend the component's service life. The overall length of the runner block is specified in its product features, along with a static load rating that indicates a very high load capacity. This model boasts higher rigidity compared to SLS models and can be interchangeably combined with guide rails of every accuracy level. The permissible ambient temperature range for operation is noted in the product specifications, along with a friction coefficient that excludes seal friction. Additional technical details include pitch T of the guide rail, height of the runner block with guide rail, static torsional moment load capacity Mt, dynamic torsional moment load capacity Mt, width of the runner block for size A profiled rail systems, and the length of the runner block which correlates to its dynamic load capacity C. The B.RUNNER BLOCK CS KWE-025-SLH-C1-N-1 also has specifications regarding static longitudinal moment load capacity ML for various size profiled rail systems. Its maximum acceleration amax reflects its capability to handle rapid movements within its operational limits. In summary, this Bosch Rexroth ball runner block meets stringent requirements for linear motion systems demanding compactness without compromising on strength or precision.


BSCL ball runner block, SLH, size 25, steel CS, accuracy standard, low preload

The BSCL ball runner block is precise and characterized by the following product features:
Size 25
Format SLH - slimline, long, high
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
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: 0.790 kg
Area of application: For restricted space in the transverse direction and high rigidity requirements
Load capacity: Very high
Higher rigidity than SLS
Height of runner block34
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
FormatSLH - slimline, long, high
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 rail40
Static load rating C044200
Preload classC1 - Low preload
Size B179.5
Size H (profiled rail system)40
Friction coefficient μ min.0.002
Accuracy classN - Normal
Size K4 (profiled rail systems)11
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)11
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)17
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)12.5
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
Weight0.790
Size H134
Nominal size25
VersionBall rail system
Size H1 (profiled rail systems)34