These bearings have stainless steel races, balls and retainers. Bearing Material: Stainless Steel 440C, Ball Material: Stainless Steel 440C, ABEC#7/ISOP4 1/3/5X AQUARIUM FISH tank stainless steel wire mesh plants moss net... Stainless Steel, Ultra Sealed, ABEC 7, Secret Weapon bearings are specially designed for use with electric motor, RC vehicles but can be used in almost any application. Enclosure: Two Seals, Enclosure Material: Ultra Seal Flanged Bearing SFR156-2RS 3/16x5/16x1/8 Inch Ceramic Bearings Vxb Ball Bearings 4 SSR6-2RS Stainless Steel Sealed Radial Ball Bearing 3/8 ID X 7/8 OD X 9/32 Wide Retainer Material: Stainless Steel, Radial Play: P25 Michigan State Go Green Go White Logo Coffee Cup LARGE 15oz Coffee Cup Mug. (227 Bearings that are packed in grease will require a short break in period to loosen up.
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