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

0.25" (6.3500 mm)(3)

0.3125" (7.9375 mm)(5)

0.375" (9.5250 mm)(6)
OD

0.5" (12.7000 mm)(5)

0.625" (15.8750 mm)(3)

0.875" (22.2250 mm)(6)
Width

0.1562" (3.9675 mm)(5)

0.196" (4.9784 mm)(3)

0.2188" (5.5575 mm)(2)

0.2812" (7.1425 mm)(4)
Static Load

0.031" (0.7874 mm)(5)

0.042" (1.0668 mm)(3)

0.062" (1.5748 mm)(6)

Part Number	Ring Material	ID	OD	Width	Flange OD	Flange Width	Seal Type	Dynamic Load
FR1810zz	52100 Chrome Steel	0.3125" (7.9375 mm)	0.5" (12.7000 mm)	0.1562" (3.9675 mm)	0.547" (13.8938 mm)	0.031" (0.7874 mm)	Shielded	104 lbf
SFR1810zz	440C Stainless Steel	0.3125" (7.9375 mm)	0.5" (12.7000 mm)	0.1562" (3.9675 mm)	0.547" (13.8938 mm)	0.031" (0.7874 mm)	Shielded	94 lbf
FR6	52100 Chrome Steel	0.375" (9.5250 mm)	0.875" (22.2250 mm)	0.2188" (5.5575 mm)	0.965" (24.5110 mm)	0.062" (1.5748 mm)	Open	638 lbf
SFR6	440C Stainless Steel	0.375" (9.5250 mm)	0.875" (22.2250 mm)	0.2188" (5.5575 mm)	0.965" (24.5110 mm)	0.062" (1.5748 mm)	Open	574 lbf
FR6 2rs	52100 Chrome Steel	0.375" (9.5250 mm)	0.875" (22.2250 mm)	0.2812" (7.1425 mm)	0.965" (24.5110 mm)	0.062" (1.5748 mm)	Sealed	638 lbf
SFR6 2rs	440C Stainless Steel	0.375" (9.5250 mm)	0.875" (22.2250 mm)	0.2812" (7.1425 mm)	0.965" (24.5110 mm)	0.062" (1.5748 mm)	Sealed	574 lbf
FR6zz	52100 Chrome Steel	0.375" (9.5250 mm)	0.875" (22.2250 mm)	0.2812" (7.1425 mm)	0.965" (24.5110 mm)	0.062" (1.5748 mm)	Shielded	638 lbf
SFR6zz	440C Stainless Steel	0.375" (9.5250 mm)	0.875" (22.2250 mm)	0.2812" (7.1425 mm)	0.965" (24.5110 mm)	0.062" (1.5748 mm)	Shielded	574 lbf
SFR4 2rs	440C Stainless Steel	0.25" (6.3500 mm)	0.625" (15.8750 mm)	0.196" (4.9784 mm)	0.69" (17.5260 mm)	0.042" (1.0668 mm)	Sealed	255 lbf
FR4zz	52100 Chrome Steel	0.25" (6.3500 mm)	0.625" (15.8750 mm)	0.196" (4.9784 mm)	0.69" (17.5260 mm)	0.042" (1.0668 mm)	Shielded	283 lbf
SFR4zz	440C Stainless Steel	0.25" (6.3500 mm)	0.625" (15.8750 mm)	0.196" (4.9784 mm)	0.69" (17.5260 mm)	0.042" (1.0668 mm)	Shielded	255 lbf
FR1810	52100 Chrome Steel	0.3125" (7.9375 mm)	0.5" (12.7000 mm)	0.1562" (3.9675 mm)	0.547" (13.8938 mm)	0.031" (0.7874 mm)	Open	104 lbf
SFR1810	440C Stainless Steel	0.3125" (7.9375 mm)	0.5" (12.7000 mm)	0.1562" (3.9675 mm)	0.547" (13.8938 mm)	0.031" (0.7874 mm)	Open	94 lbf
FR1810 2rs	52100 Chrome Steel	0.3125" (7.9375 mm)	0.5" (12.7000 mm)	0.1562" (3.9675 mm)	0.547" (13.8938 mm)	0.031" (0.7874 mm)	Sealed	104 lbf

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