Bird Precision
Bird Precision
One Spruce Street, P.O. Box 540569
Waltham, MA 02454-0569 USA
Phone: (800) 454-7369
Fax: (800) 370–6308
Email: sales@birdprecision.com
Website: www.birdprecision.com
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Ring jewels are excellent for oscillating movement, slow arcing motion and sliding applications because they have extremely low breakaway friction and starting torque.
Olive Hole Ring Jewel Bearings
Unit of Measure
1 

Item #

Outside Diameter

Inside Diameter

Thickness

Melting Point Temperature

RB22386 N/A 0.0621 in0.0625 in N/A 0.0125 in0.0127 in N/A 0.0090 in0.0110 in N/A 2000 ºC
RB22193 N/A 0.0796 in0.0800 in N/A 0.0200 in0.0203 in N/A 0.0177 in0.0197 in N/A 2000 ºC
RB22561 N/A 0.0895 in0.0900 in N/A 0.030 in0.0302 in N/A 0.0190 in0.0210 in N/A 2000 ºC
RB22271 N/A 0.0880 in0.0920 in N/A 0.03177 in0.03193 in N/A 0.0253 in0.0256 in N/A 2000 ºC
RB22141 N/A 0.0980 in0.0984 in N/A 0.0412 in0.0414 in N/A 0.0295 in0.0305 in N/A 2000 ºC
RB22122 N/A 0.1195 in0.1200 in N/A 0.0500 in0.0502 in N/A 0.0350 in0.0360 in N/A 2000 ºC
RB22032 N/A 0.1199 in0.1201 in N/A 0.0632 in0.0634 in N/A 0.0345 in0.0355 in N/A 2000 ºC
RB22002 N/A 0.1199 in0.1201 in N/A 0.0657 in0.0663 in N/A 0.0340 in0.0350 in N/A 2000 ºC
RB22422 N/A 0.1480 in0.1500 in N/A 0.0781 in0.0783 in N/A 0.040 in0.0420 in N/A 2000 ºC
RB22087 N/A 0.1876 in0.1879 in N/A 0.0938 in0.0941 in N/A 0.0590 in0.0610 in N/A 2000 ºC
RB22589 N/A 0.2497 in0.2503 in N/A 0.1249 in0.1251 in N/A 0.0390 in0.0410 in N/A 2000 ºC
Unit of Measure
1