Inch Flanged

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

0.05556"(3)

0.07813"(6)

0.09375"(12)

0.125"(9)
OD

0.1875"(9)

0.25"(12)

0.3125"(6)

0.375"(3)
Width

0.0625"(2)

0.0781"(1)

0.0937"(8)

0.1094"(8)

0.1406"(8)

0.1562"(3)
Static Load

0.018"(2)

0.023"(7)

0.030"(3)

0.031"(18)

Part Number	Ring Material	ID	OD	Width	Flange OD	Flange Width	Seal Type	Dynamic Load
FR2 2rs	52100 Chrome Steel	0.125"	0.375"	0.1562"	0.44"	0.030"	Sealed	121 lbf
SFR2	440C Stainless Steel	0.125"	0.375"	0.1562"	0.44"	0.030"	Open	109 lbf
FR2	52100 Chrome Steel	0.125"	0.375"	0.1562"	0.44"	0.030"	Open	121 lbf
SFR144zz	440C Stainless Steel	0.125"	0.25"	0.1094"	0.296"	0.031"	Shielded	49 lbf
FR144zz	52100 Chrome Steel	0.125"	0.25"	0.1094"	0.296"	0.031"	Shielded	54 lbf
SFR144 2rs	440C Stainless Steel	0.125"	0.25"	0.1094"	0.296"	0.031"	Sealed	49 lbf
FR144 2rs	52100 Chrome Steel	0.125"	0.25"	0.1094"	0.296"	0.031"	Sealed	54 lbf
SFR144	440C Stainless Steel	0.125"	0.25"	0.0937"	0.296"	0.023"	Open	49 lbf
FR144	52100 Chrome Steel	0.125"	0.25"	0.0937"	0.296"	0.023"	Open	54 lbf
SFR133zz	440C Stainless Steel	0.09375"	0.1875"	0.0937"	0.234"	0.031"	Shielded	25 lbf
FR133zz	52100 Chrome Steel	0.09375"	0.1875"	0.0937"	0.234"	0.031"	Shielded	28 lbf
SFR133 2rs	440C Stainless Steel	0.09375"	0.1875"	0.0937"	0.234"	0.031"	Sealed	25 lbf
FR133 2rs	52100 Chrome Steel	0.09375"	0.1875"	0.0937"	0.234"	0.031"	Sealed	28 lbf
SFR133	440C Stainless Steel	0.09375"	0.1875"	0.0625"	0.234"	0.018"	Open	32 lbf
FR133	52100 Chrome Steel	0.09375"	0.1875"	0.0625"	0.234"	0.018"	Open	36 lbf
SFR1-5zz	440C Stainless Steel	0.09375"	0.3125"	0.1406"	0.359"	0.031"	Shielded	95 lbf
FR1-5zz	52100 Chrome Steel	0.09375"	0.3125"	0.1406"	0.359"	0.031"	Shielded	106 lbf
SFR1-5 2rs	440C Stainless Steel	0.09375"	0.3125"	0.1406"	0.359"	0.031"	Sealed	95 lbf
FR1-5 2rs	52100 Chrome Steel	0.09375"	0.3125"	0.1406"	0.359"	0.031"	Sealed	106 lbf
SFR1-5	440C Stainless Steel	0.09375"	0.3125"	0.1094"	0.359"	0.023"	Open	95 lbf
FR1-5	52100 Chrome Steel	0.09375"	0.3125"	0.1094"	0.359"	0.023"	Open	106 lbf
SFR1-4zz	440C Stainless Steel	0.07813"	0.25"	0.1406"	0.296"	0.031"	Shielded	49 lbf
FR1-4zz	52100 Chrome Steel	0.07813"	0.25"	0.1406"	0.296"	0.031"	Shielded	54 lbf
SFR1-4 2rs	440C Stainless Steel	0.07813"	0.25"	0.1406"	0.296"	0.031"	Sealed	49 lbf
FR1-4 2rs	52100 Chrome Steel	0.07813"	0.25"	0.1406"	0.296"	0.031"	Sealed	54 lbf
SFR1-4	440C Stainless Steel	0.07813"	0.25"	0.0937"	0.296"	0.023"	Open	49 lbf
FR1-4	52100 Chrome Steel	0.07813"	0.25"	0.0937"	0.296"	0.023"	Open	54 lbf
SFR1zz	440C Stainless Steel	0.05556"	0.1875"	0.1094"	0.234"	0.031"	Shielded	40 lbf
FR1zz	52100 Chrome Steel	0.05556"	0.1875"	0.1094"	0.234"	0.031"	Shielded	44 lbf
SFR1	440C Stainless Steel	0.05556"	0.1875"	0.0781"	0.234"	0.023"	Open	40 lbf

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