【Specs & Size】625-ZZ (5 mm I.D. × 16 mm O.D. × 5 mm thick)These small bearings use GCr15 chromium bearing steel.Performance suits typical ABEC3 use and reflects material traits often associated with US-ASTM 52100 and JP-JIS SUJ2 grades,operating reliably from -22 °F to 257 °F
【Load Rating Deep Groove Ball Bearings】High-speed Rotation 1880 N . Low-speed/static 680 N . They stay smooth and quiet even under fast rotation,ensuring long-lasting,high-performance operation without unnecessary noise
【Precision Sealed Assembly Parts】Double Alloy Steel Sealed Hug The Inner Race With Micro-clearance—no Metal Rub,Less Grease Evaporation,Zero Leak. Under Normal Load These Sealed Bearings Last 1 000 000+ Revolutions
【Ready To Install Right Out of The Box】 Every Bearing Ships Pre-packed With The Exact Amount of High-perFormance Grease—no Extra Maintenance,Ever. Just Bolt it On and Go. (Do NOT Add More Grease; Too Much Will Hurt PerFormance)
【Fit & Guarantee】Drop these ball bearings into almost any small bearing spot—skateboard wheels,Hand Spinner,roller skates,lawnmowers,ceiling fans,alternators,or trailer hubs. If they don’t fit or you’re not satisfied,return anytime on us