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Category: "R" Series Ball Bearings

  1. Also available in Stainless Steel, add prefix "S"
  2. ABEC Grades 1, 3, 5, 7, and 9 are available.
  3. Two metal shields = (ZZ), also available with a single metal shield = (Z).
Attributes Values
Bearing Type Shielded
Bore Dia (d) 0.7500
Outer Dia (D) 1.6250
Width (B) 0.4375
Radius (min) (rs) 0.031
Dynamic Load Rating (Cr) 2,477
Static Load Rating (Cor) 1,177
Max Speed (Grease) (X1000 RPM) 17
Max Speed (Oil) (X1000 RPM) 21
Max. Shaft Shoulder Dia. Inner (Ui) 1.1
Min. Housing Shoulder Dia., Outer (Uo) 1.474
Ball Qty 9
Ball Dia (Dw) 0.2500
Weight (g) 69.30
Precision A1
Standard Clearance C0
Material 52100 Chrome steel (or equivalent)
Additional Information
Closures and Seals
Cages and Retainers
Tolerances and Precision
Internal Clearance
Fitting and Mounting
Load and Life Calculation Information
eDrawings file (.ePRT, eASM)
The information in AST Bearings herein is provided for informational purposes only. This information should not be relied upon for design, development or other purposes.
Contact AST Bearings for the most current product information as it applies to you and for your product information.