SMR128-TT miniature instrument bearings drawing
  1. Also available in 52100 Chrome Steel
  2. ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.
  3. Two PTFE seals = (TT), also availble with a single PTFE seal = (T)

SMR128-TT Miniature & Instrument Series, Stainless Steel Ball Bearing

Model: SMR128-TT

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Product Details

Specifications
Bearing Type Sealed
Bore Dia (d) 8.000 mm
Outer Dia (D) 12.000 mm
Width (B) 3.500 mm
Radius (min) (rs) 0.10 mm
Dynamic Load Rating (Cr) 462 N
Static Load Rating (Cor) 219 N
Max Speed (Grease) 40,000 rpm
Max Speed (Oil) 48,000 rpm
Max. Shaft Shoulder Dia. Inner (Ui) 9.1 mm
Min. Housing Shoulder Dia., Outer (Uo) 11.33 mm
Ball Qty 12
Ball Dia (Dw) 1.200 mm
Weight (g) 0.99 grams
Precision A1
Standard Clearance K25
Material Martensitic Stainless Steel