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

0.1875"(9)

0.25"(18)

0.3125"(3)
OD

0.375"(9)

0.5"(15)

0.625"(6)
Width

0.125"(11)

0.1562"(3)

0.1875"(4)

0.1906"(4)

0.196"(8)
Static Load

0.023"(4)

0.031"(6)

0.036"(4)

0.042"(12)

0.045"(4)

Part Number	Ring Material	ID	OD	Width	Flange OD	Flange Width	Seal Type	Dynamic Load
FR1810 2rs	52100 Chrome Steel	0.3125"	0.5"	0.1562"	0.547"	0.031"	Sealed	104 lbf
SFR1810	440C Stainless Steel	0.3125"	0.5"	0.1562"	0.547"	0.031"	Open	94 lbf
FR1810	52100 Chrome Steel	0.3125"	0.5"	0.1562"	0.547"	0.031"	Open	104 lbf
SFR4zz	440C Stainless Steel	0.25"	0.625"	0.196"	0.69"	0.042"	Shielded	255 lbf
FR4zz	52100 Chrome Steel	0.25"	0.625"	0.196"	0.69"	0.042"	Shielded	283 lbf
SFR4 2rs	440C Stainless Steel	0.25"	0.625"	0.196"	0.69"	0.042"	Sealed	255 lbf
FR4 2rs	52100 Chrome Steel	0.25"	0.625"	0.196"	0.69"	0.042"	Sealed	283 lbf
SFR4	440C Stainless Steel	0.25"	0.625"	0.196"	0.69"	0.042"	Open	255 lbf
FR4	52100 Chrome Steel	0.25"	0.625"	0.196"	0.69"	0.042"	Open	283 lbf
SFR188zz	440C Stainless Steel	0.25"	0.5"	0.1875"	0.547"	0.045"	Shielded	310 lbf
FR188zz	52100 Chrome Steel	0.25"	0.5"	0.1875"	0.547"	0.045"	Shielded	344 lbf
SFR188 2rs	440C Stainless Steel	0.25"	0.5"	0.1875"	0.547"	0.045"	Sealed	310 lbf
FR188 2rs	52100 Chrome Steel	0.25"	0.5"	0.1875"	0.547"	0.045"	Sealed	344 lbf
SFR188	440C Stainless Steel	0.25"	0.5"	0.125"	0.547"	0.023"	Open	310 lbf
FR188	52100 Chrome Steel	0.25"	0.5"	0.125"	0.547"	0.023"	Open	344 lbf
SFR168zz	440C Stainless Steel	0.25"	0.375"	0.125"	0.422"	0.036"	Shielded	64 lbf
FR168zz	52100 Chrome Steel	0.25"	0.375"	0.125"	0.422"	0.036"	Shielded	71 lbf
SFR168 2rs	440C Stainless Steel	0.25"	0.375"	0.125"	0.422"	0.036"	Sealed	64 lbf
FR168 2rs	52100 Chrome Steel	0.25"	0.375"	0.125"	0.422"	0.036"	Sealed	71 lbf
SFR168	440C Stainless Steel	0.25"	0.375"	0.125"	0.422"	0.023"	Open	64 lbf
FR168	52100 Chrome Steel	0.25"	0.375"	0.125"	0.422"	0.023"	Open	71 lbf
SFR3zz	440C Stainless Steel	0.1875"	0.5"	0.196"	0.565"	0.042"	Shielded	224 lbf
FR3zz	52100 Chrome Steel	0.1875"	0.5"	0.196"	0.565"	0.042"	Shielded	249 lbf
SFR3 2rs	440C Stainless Steel	0.1875"	0.5"	0.1906"	0.565"	0.042"	Sealed	224 lbf
FR3 2rs	52100 Chrome Steel	0.1875"	0.5"	0.1906"	0.565"	0.042"	Sealed	249 lbf
SFR3	440C Stainless Steel	0.1875"	0.5"	0.1906"	0.565"	0.042"	Open	224 lbf
FR3	52100 Chrome Steel	0.1875"	0.5"	0.1906"	0.565"	0.042"	Open	249 lbf
SFR166zz	440C Stainless Steel	0.1875"	0.375"	0.125"	0.422"	0.031"	Shielded	122 lbf
FR166zz	52100 Chrome Steel	0.1875"	0.375"	0.125"	0.422"	0.031"	Shielded	136 lbf
SFR166 2rs	440C Stainless Steel	0.1875"	0.375"	0.125"	0.422"	0.031"	Sealed	122 lbf

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