FR188ZZ Flanged Ball Bearing 1/4" x 1/2" x 3/16" inch desk gears Tighter ABEC-5 tolerances improve rotational

Tighter ABEC-5 tolerances improve rotational accuracy

and resist corrosion in both fresh and saltwater setups

precision-ready bearing designed for compact assemblies

the N304 outer diameter is 52mm and the N304 width is 15mm

They are handy for smooth rotation and reducing wear in drive trains

FR188ZZ Flanged Ball Bearing 1/4" x 1/2" x 3/16" inch desk gears Tighter ABEC-5 tolerances improve rotationalFR188ZZ Flanged Shielded Ball Bearing 1 4" x 1 2" x 3 16" Inch, Double Metal Shields The FR188ZZ is a flanged deep groove ball bearing with metal shields on both sides. Designed for compact assemblies, it fits tight spaces while keeping dust and debris out. Pre lubricated and ready to drop into wheels, motors, or precision tools. Flanged outer ring for secure mounting Size: 1 4" x 1 2" x 3 16" inch Double metal shields (ZZ) for dirt protection Made