R Series

R series bearings from Schatz are inch boundary precision ball bearings. They have ABEC 1, 3, 5, or 7 tolerances and are available with shields or seals.

R Series 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:

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