SFR4ZZ 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).

SFR4ZZ Miniature & Instrument Series, Stainless Steel Ball Bearing

Model: SFR4ZZ

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Product Details

Specifications
Bearing Type Flanged Shielded
Bore Dia (d) 0.2500 in
Outer Dia (D) 0.6250 in
Width (B) 0.1960 in
Radius (min) (rs) 0.012 in
Flange Dia (Df) 0.6900 in
Flange Width (Bf) 0.042 in
Dynamic Load Rating (Cr) 283 lbs
Static Load Rating (Cor) 112 lbs
Max Speed (Grease) 38 X1000 rpm
Max Speed (Oil) 45 X1000 rpm
Max. Shaft Shoulder Dia. Inner (Ui) 0.3 in
Min. Housing Shoulder Dia., Outer (Uo) 0.543 in
Ball Qty 8
Ball Dia (Dw) 0.0937 in
Weight (g) 4.90 grams
Precision A1
Standard Clearance K25
Material Martensitic Stainless Steel