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SM Type Millimeter dimension series. Most widely used in Japan.

Available options:
  • Chrome or Stainless Steel
  • Steel or Resin Retainer
  • Internal Seals (UU)
  • Adjustable or Open Series
  • Slide Block Housings available in several styles
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SM Type Linear Motion Bearing Dimension Diagram

SM Metric Type Linear Motion Bearings
SM Type Linear Motion Bearing Dimension Diagram

SM Metric Type Linear Motion Bearings
SM Type Linear Motion Bearing Dimension Diagram

SM Metric Type Linear Motion Bearings
SM Type Linear Motion Bearing Dimension Diagram

SM Metric Type Linear Motion Bearings
SM Type Linear Motion Bearing Dimension Diagram

SM Metric Type Linear Motion Bearings
(dr) Shaft Diameter N/A 6 mm N/A 6 mm N/A 8 mm N/A 8 mm N/A 8 mm
(dr) Precision Tolerance N/A 0/-6 µm
(dr) High Tolerance N/A 0/-9 µm
(D) Outer Diameter N/A 12 mm N/A 12 mm N/A 15 mm N/A 15 mm N/A 15 mm
(D) Tolerance N/A 0/-11 µm
Length N/A 19 mm N/A 19 mm N/A 17 mm N/A 17 mm N/A 24 mm
(L) Tolerance N/A 0/-200 µm
Dist. Btwn Retaining Rings N/A 13.5 mm N/A 13.5 mm N/A 11.5 mm N/A 11.5 mm N/A 17.5 mm
(B) Tolerance N/A 0/-200 µm
(W) Retaining Ring Width N/A 1.1 mm
(D1) Retaining Ring Diameter N/A 11.5 mm N/A 11.5 mm N/A 14.3 mm N/A 14.3 mm N/A 14.3 mm
(h) Dimension N/A
(h1) Dimension N/A
(C) Dynamic Load N/A 21 kgf N/A 21 kgf N/A 18 kgf N/A 18 kgf N/A 28 kgf
(Co) Static Load N/A 27 kgf N/A 27 kgf N/A 22 kgf N/A 22 kgf N/A 40 kgf
Ball Circuit N/A 3 N/A 3 N/A 3 N/A 3 N/A 4
Weight N/A 8.5 gf N/A 8.5 gf N/A 11 gf N/A 11 gf N/A 17 gf
Configuration N/A Standard Type
Seal Type N/A No Seals N/A Seals on Both Ends N/A No Seals N/A Seals on Both Ends N/A No Seals
(θ) Dimension N/A
Precision Eccentricity N/A 8 µm
High Eccentricity N/A 12 µm
Maximum Radial Clearance N/A -3 µm
Available Housing Types N/A
NB TOPBALL Slide Units include a clear anodized corrosion resistant aluminum block and either one or two TOPBALL self-aligning slide bushings Closed and adjustable clearance styles incorporate machined snap ring grooves in combination with standard retaining rings for slide bush retention. The open style incorporates bottom plates and mounting screws to retain bushing in proper position. All styles are provided with standard machined reference edges for proper alignment and installation.
Different Housing Types N/A a1375.jpg