Inch Extended

Miniature bearings are sometimes referred to as instrument bearings and are used in applications as varied as gyros, anemometers, flow meters, miniature gearboxes, small motors and radio controlled models. Miniature ball bearings can be open or shielded, which helps prevent dirt from entering and lubricant from leaking out, and unflanged or flanged for easier plate mounting. Some miniature ball bearing options feature extended inner rings to help fit certain locking devices when a press fit is not possible

FILTERS

ID

0.04688"(2)

0.05556"(4)

0.07813"(4)

0.09375"(8)

0.125"(12)
OD

0.15625"(2)

0.1875"(8)

0.25"(8)

0.3125"(8)

0.375"(4)
Width

0.0625"(2)

0.0781"(2)

0.0937"(8)

0.1094"(10)

0.1406"(6)

0.1562"(2)
Static Load

0.0937"(2)

0.1094"(2)

0.1249"(2)

0.125 "(2)

0.125"(4)

0.1406"(10)

0.1719"(6)

0.1875"(2)

Part Number	Ring Material	OD	ID	Width	Inner Race OD	Inner Race Width	Shield Type	Dynamic Load
SRW2-5zz	440C Stainless Steel	0.125"	0.3125"	0.1406"	0.173"	0.1719"	Shielded	96 lbf
RW2-6	52100 Chrome Steel	0.125"	0.375"	0.1094"	0.173"	0.1406"	Open	122 lbf
SRW2-6	440C Stainless Steel	0.125"	0.375"	0.1094"	0.173"	0.1406"	Open	110 lbf
SRW2	440C Stainless Steel	0.125"	0.375"	0.1562"	0.2"	0.1875"	Open	109 lbf
RW2-5	52100 Chrome Steel	0.125"	0.3125"	0.1094"	0.173"	0.1406"	Open	107 lbf
SRW2-5	440C Stainless Steel	0.125"	0.3125"	0.1094"	0.173"	0.1406"	Open	96 lbf
RW2-5zz	52100 Chrome Steel	0.125"	0.3125"	0.1406"	0.173"	0.1719"	Shielded	107 lbf
RW133zz	52100 Chrome Steel	0.09375"	0.1875"	0.0937"	0.118"	0.125 "	Shielded	28 lbf
SRW133zz	440C Stainless Steel	0.09375"	0.1875"	0.0937"	0.118"	0.125 "	Shielded	25 lbf
RW144	52100 Chrome Steel	0.125"	0.25"	0.0937"	0.161"	0.125"	Open	54 lbf
SRW144	440C Stainless Steel	0.125"	0.25"	0.0937"	0.161"	0.125"	Open	49 lbf
RW2	52100 Chrome Steel	0.125"	0.375"	0.1562"	0.2"	0.1875"	Open	121 lbf
SRW144zz	440C Stainless Steel	0.125"	0.25"	0.1094"	0.161"	0.1406"	Shielded	49 lbf
RW133	52100 Chrome Steel	0.09375"	0.1875"	0.0625"	0.118"	0.0937"	Open	28 lbf
RW144zz	52100 Chrome Steel	0.125"	0.25"	0.1094"	0.161"	0.1406"	Shielded	54 lbf
SRW133	440C Stainless Steel	0.09375"	0.1875"	0.0625"	0.118"	0.0937"	Open	25 lbf
RW1-5	52100 Chrome Steel	0.09375"	0.3125"	0.1094"	0.173"	0.1406"	Open	106 lbf
SRW1-5	440C Stainless Steel	0.09375"	0.3125"	0.1094"	0.173"	0.1406"	Open	95 lbf
RW1-5zz	52100 Chrome Steel	0.09375"	0.3125"	0.1406"	0.173"	0.1719"	Shielded	106 lbf
SRW1-5zz	440C Stainless Steel	0.09375"	0.3125"	0.1406"	0.173"	0.1719"	Shielded	95 lbf
SRW1-4zz	440C Stainless Steel	0.07813"	0.25"	0.1406"	0.122"	0.1719"	Shielded	49 lbf
RW1-4	52100 Chrome Steel	0.07813"	0.25"	0.0937"	0.122"	0.125"	Open	54 lbf
SRW1-4	440C Stainless Steel	0.07813"	0.25"	0.0937"	0.122"	0.125"	Open	49 lbf
RW1-4zz	52100 Chrome Steel	0.07813"	0.25"	0.1406"	0.122"	0.1719"	Shielded	54 lbf
SRW1zz	440C Stainless Steel	0.05556"	0.1875"	0.1094"	0.093"	0.1406"	Shielded	40 lbf
RW1zz	52100 Chrome Steel	0.05556"	0.1875"	0.1094"	0.093"	0.1406"	Shielded	44 lbf
SRW1	440C Stainless Steel	0.05556"	0.1875"	0.0781"	0.093"	0.1094"	Open	40 lbf
RW1	52100 Chrome Steel	0.05556"	0.1875"	0.0781"	0.093"	0.1094"	Open	44 lbf
SRW0zz	440C Stainless Steel	0.04688"	0.15625"	0.0937"	0.081"	0.1249"	Shielded	19 lbf
RW0zz	52100 Chrome Steel	0.04688"	0.15625"	0.0937"	0.081"	0.1249"	Shielded	21 lbf

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