SRW188ZZ 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).

SRW188ZZ Miniature & Instrument Series, Stainless Steel Ball Bearing

Model: SRW188ZZ

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Product Details

Bearing Type Shielded with Extended Inner
Bore Dia (d) 0.2500 in
Outer Dia (D) 0.5000 in
Outer Width (Bo) 0.1875 in
Inner Width (Bi) 0.2187 in
Radius (min) (rs) 0.006 in
Dynamic Load Rating (Cr) 207 lbs
Static Load Rating (Cor) 80 lbs
Max Speed (Grease) 40,000 rpm
Max Speed (Oil) 50,000 rpm
Max. Shaft Shoulder Dia. Inner (Ui) 0.3 in
Min. Housing Shoulder Dia., Outer (Uo) 0.457 in
Ball Qty 8
Ball Dia (Dw) 0.0787 in
Weight (g) 2.32 grams
Precision A1
Standard Clearance K25
Material Martensitic Stainless Steel