Schatz Bearing Corporation - A Leading Provider of High-Quality Ball Bearings and Motion Control Products
1900 Series Extremely Light Series Precision Ball Bearing Drawing

R Series

Inch Boundary Precision Ball Bearings

  • Inch boundary dimensions
  • Single row radial ball bearing
  • Deep groove ball bearing
  • Non-filling slot bearings

Tolerances shown below are ABEC 1. Also available in ABEC 3, ABEC 5, and ABEC 7.

(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number		 Bore Outside Diameter Width C (in.)
Tolerance
+.000 to -.005		 Corner Radius Balls Basic Dynamic Radial Load Rating

Cr
(lbs) †
d
(in.)		 Tolerance +.0000 to Minus D
(in.)		 Tolerance +.0000 to Minus Open Shielded or Sealed R*
(in.)		 No. Size
R2 0.1250 0.0003 0.3750 0.0004 0.1562 0.1562 0.012 7 1/16 140
R2A 0.1250 0.0003 0.5000 0.0004 0.1719 0.1719 0.012 7 1/16 140
R3 0.1875 0.0003 0.5000 0.0004 0.1562 0.1960 0.012 7 3/32 290
R4 0.2500 0.0003 0.6250 0.0004 0.1960 0.1960 0.012 7 1/8 480
R4A 0.2500 0.0003 0.7500 0.0004 0.2188 0.2812 0.016 6 5/32 630
R6 0.3750 0.0003 0.8750 0.0004 0.2188 0.2812 0.016 7 5/32 820
R8 0.5000 0.0003 1.1250 0.0004 0.2500 0.3125 0.016 8 3/16 1140
R10 0.6250 0.0003 1.3750 0.0005 0.2812 0.3438 0.031 8 7/32 1520
R12 0.7500 0.0004 1.6250 0.0005 0.3125 0.4375 0.031 9 1/4 2090
R14 0.8750 0.0004 1.8750 0.0005 0.3750 0.5000 0.031 9 9/32 2590
R16 1.0000 0.0004 2.0000 0.0005 0.3750 0.5000 0.031 10 9/32 2780
R18 1.1250 0.0004 2.1250 0.0005 0.3750 0.5000 0.031 11 9/32 2960
R20 1.2500 0.0005 2.2500 0.0005 0.3750 0.5000 0.031 12 9/32 3120
R22 1.3750 0.0005 2.5000 0.0005 0.4375 0.5625 0.031 11 5/16 3560
R24 1.5000 0.0005 2.6250 0.0005 0.4375 0.5625 0.031 12 5/16 3750

† Refer to the Technical Info section for Bearing Life Calculations.

* Maximum shaft or housing fillet which bearing corner will clear.

 

Notes:

  1. Available with shields or seals.
  2. Contact Schatz Bearing Corporation's Engineering Department for further technical information.
  3. Check with Schatz Bearing Corporation's Sales Department for price and availability.

 

Ball Bearing Shield and Seal OptionsBall Bearing Material Options

 

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Schatz Bearing Corporation
10 Fairview Avenue | Poughkeepsie, NY 12601
Phone: (845) 452-6000 Fax: (845) 452-1660
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