SFR188-2RS miniature instrument bearings drawing
  1. Also available in 52100 Chrome Steel
  2. ABEC Grades 1, 3, 5, 7, and 9 are available.
  3. Two rubber seals = (2RS), also available with a single rubber seal = (RS).
  4. Also available with two PTFE seals = (TT), or with a single PTFE seal = (T)
  5. Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)

SFR188-2RS Miniature & Instrument Series, Stainless Steel Ball Bearing

Model: SFR188-2RS

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Product Details

Bearing Type Flanged Sealed
Bore Dia (d) 0.2500 in
Outer Dia (D) 0.5000 in
Width (B) 0.1875 in
Radius (min) (rs) 0.006 in
Flange Dia (Df) 0.5470 in
Flange Width (Bf) 0.045 in
Dynamic Load Rating (Cr) 344 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) 2.54 grams
Precision A1
Standard Clearance K25
Material Martensitic Stainless Steel