Item Type: Miniature Ball Bearings Material: Stainless steel Model: S6210ZZ Applicable Fields: Papermaking machinery, reduction gears, railway vehicle axles, steel mill gearbox bearing seats, rolling mill rolls, crushers, vibrating screens, printing machinery, woodworking machinery, various industrial reducers, vertical belt seat alignment Bearing Outer Diameter: Approx. 90mm / 3.5in Inner Diameter: Approx. 50mm / 2in Height: Approx. 20mm / 0.8in Package List 5 x Miniature Ball Bearings 1High temperature resistant steel dustproof covers on both sides to prevent dust and foreign objects from entering, and high temperature resistance 2Come with simple configuration, high speed, low friction coefficient, vibration and noise 3Miniature ball bearings have uniform hardness, wear resistance, high temperature resistance and double shielding to avoid the entry of pollutants and save lubricants 4Application areas contain papermaking machinery, reduction gears, railway vehicle axles, steel mill gearbox bearing seats, steel rolling mill rolls 5Can be used for crushers, vibrating screens, printing machinery, woodworking machinery, various industrial reducers, vertical selfaligning bearings with seat