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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) 0.3750
Outer Dia (D) 0.8750
Width (B) 0.2812
Radius (min) (rs) 0.016
Dynamic Load Rating (Cr) 749
Static Load Rating (Cor) 301
Max Speed (Grease) (X1000 RPM) 32
Max Speed (Oil) (X1000 RPM) 38
Max. Shaft Shoulder Dia. Inner (Ui) 0.5
Min. Housing Shoulder Dia., Outer (Uo) 0.784
Ball Qty 7
Ball Dia (Dw) 0.1563
Weight (g) 11.70
Precision A1
Standard Clearance K25
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.