SFR144ZZ miniature instrument bearings drawing
  1. Also available in 52100 Chrome Steel
  2. ABEC Grades 1, 3, 5, 7, and 9 are available.
  3. Two metal shields = (ZZ), also available with a single metal shield = (Z).

SFR144ZZ Miniature & Instrument Series, Stainless Steel Ball Bearing

Model: SFR144ZZ

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Product Details

Bearing Type Flanged Shielded
Bore Dia (d) 0.1250 in
Outer Dia (D) 0.2500 in
Width (B) 0.1094 in
Radius (min) (rs) 0.004 in
Flange Dia (Df) 0.2960 in
Flange Width (Bf) 0.031 in
Dynamic Load Rating (Cr) 54 lbs
Static Load Rating (Cor) 17 lbs
Max Speed (Grease) 67,000 rpm
Max Speed (Oil) 80,000 rpm
Max. Shaft Shoulder Dia. Inner (Ui) 0.2 in
Min. Housing Shoulder Dia., Outer (Uo) 0.226 in
Ball Qty 7
Ball Dia (Dw) 0.0394 in
Weight (g) 0.48 grams
Precision A1
Standard Clearance K25
Material Martensitic Stainless Steel