Flexible. Versatile. responsive.

R Series

precision

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.

 

wdt_ID Part Number Bore d<br>(in.) Bore Tolerance (in.)<br>+.0000 to Minus: Outside Diameter<br>D (in.) Outside Diameter Tolerance (in.)<br>+.0000 to Minus: Width C<br>Open<br>(in.)<br>.000 to -.005 Width C<br>Shielded or Sealed<br>(in.)<br>+.000 to -.005 Corner Radius<br>R* (in.) Balls – Number Balls – Size<br>(in.) Basic Dynamic Radial Load Rating Cr (lbs) †
1 R2 0.1250 0.0003 0.3750 0.0004 0.1562 0.1562 0.012 7 1/16 140
2 R2A 0.1250 0.0003 0.5000 0.0004 0.1719 0.1719 0.012 7 1/16 140
3 R3 0.1875 0.0003 0.5000 0.0004 0.1562 0.1960 0.012 7 3/32 290
4 R4 0.2500 0.0003 0.6250 0.0004 0.1960 0.1960 0.012 7 1/8 480
5 R4A 0.2500 0.0003 0.7500 0.0004 0.2188 0.2812 0.016 6 5/32 630
6 R6 0.3750 0.0003 0.8750 0.0004 0.2188 0.2812 0.016 7 5/32 820
7 R8 0.5000 0.0003 1.1250 0.0004 0.2500 0.3125 0.016 8 3/16 1,140
8 R10 0.6250 0.0003 1.3750 0.0005 0.2812 0.3438 0.031 8 7/32 1,520
9 R12 0.7500 0.0004 1.6250 0.0005 0.3125 0.4375 0.031 9 1/4 2,090
10 R14 0.8750 0.0004 1.8750 0.0005 0.3750 0.5000 0.031 9 9/32 2,590
11 R16 1.0000 0.0004 2.0000 0.0005 0.3750 0.5000 0.031 10 9/32 2,780
12 R18 1.1250 0.0004 2.1250 0.0005 0.3750 0.5000 0.031 11 9/32 2,960
13 R20 1.2500 0.0005 2.2500 0.0005 0.3750 0.5000 0.031 12 9/32 3,120
14 R22 1.3750 0.0005 2.5000 0.0005 0.4375 0.5625 0.031 11 5/16 3,560
15 R24 1.5000 0.0005 2.6250 0.0005 0.4375 0.5625 0.031 12 5/16 3,750
Part Number Bore d<br>(in.) Bore Tolerance (in.)<br>+.0000 to Minus: Outside Diameter<br>D (in.) Outside Diameter Tolerance (in.)<br>+.0000 to Minus: Width C<br>Open<br>(in.)<br>.000 to -.005 Width C<br>Shielded or Sealed<br>(in.)<br>+.000 to -.005 Corner Radius<br>R* (in.) Balls – Number Balls – Size<br>(in.) Basic Dynamic Radial Load Rating Cr (lbs) †

† 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.


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