Caged Ball LM Guide Radial Type Model SSR

This model is optimal for horizontal guide units because of its compact design, low cross-sectional height, and structure where balls contact the raceway at 90° in the radial direction.

  • Long-term maintenance free
  • High accuracy
  • Self-adjusting capability
  • Radial

Sizes : 15,20,25,30,35

Types

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Highlight feature tags

  • Flange
  • Bolts mounted from above
  • Bolts mounted from below
  • Short block (LM Guide)
Models SSR-XW / SSR-XWM
  • Bolts mounted from above

Basic load rating (kN): Basic dynamic load rating 14.7 to 64.6 / Basic static load rating 16.5 to 71.6
Sizes : 15,20,25,30,35

Models SSR-XV / SSR-XVM
  • Bolts mounted from above
  • Short block (LM Guide)

Basic load rating (kN): Basic dynamic load rating 9.1 to 48.3 / Basic static load rating 9.7 to 46.7
Sizes : 15,20,25,30,35

Model SSR-XTB
  • Flange
  • Bolts mounted from below

Basic load rating (kN): Basic dynamic load rating 14.7 to 64.6 / Basic static load rating 16.5 to 71.6
Sizes : 15,20,25,30,35

Model SSR-XSB
  • Flange
  • Bolts mounted from below
  • Short block (LM Guide)

Basic load rating (kN): Basic dynamic load rating 9.1 to 48.3 / Basic static load rating 9.7 to 46.7
Sizes : 15,20,25,30,35

Features

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Structure and Features

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Balls roll in four rows of raceways precision-ground on the LM rail and LM block and are circulated by ball cages and end plates incorporated in the LM block. Use of the ball cage eliminates friction between balls and increases grease retention, thus achieving low noise, high speeds, and long-term maintenance-free operation.

Compact, Radial Type

Since it is a compactly designed model that has a low cross-sectional height and a ball contact structure that is suited to large loads in the radial direction, this model is optimal for horizontal guide units.

Superb Planar Running Accuracy

Use of a ball contact structure that is suited to large loads in the radial direction minimizes radial displacement under radial loads and allows stable, highly accurate motion.

Self-Adjustment Capability

The self-adjustment capability of the front-to-front configuration of THK’s unique circular-arc grooves (DF set) enables mounting error to be absorbed even under a preload, thus achieving highly accurate, smooth linear motion.

Stainless Steel Type Also Available

A special type whose LM block, LM rail, and balls are made of stainless steel is also available.

Detailed information for each model number

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  • Models SSR-XW / SSR-XWM
  • Models SSR-XV / SSR-XVM
  • Model SSR-XTB
  • Model SSR-XSB

Dimensional drawing/Dimensional table

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Standard Lengths and Maximum Lengths of LM Rails

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Tapped-hole LM Rail Type of Model SSR

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