... specialized dealing in Deep Groove Ball Bearings ,Spherical Roller Bearings, Tapered Roller Bearings, Automotive Bearings, Thrust Ball Bearings, and also dealing in household appliances ... as following;1) Type: 6000, 6200, 6300, 16000, series.2) Materal used: GCr15,Carbon Steel, Stainless Steel, Chrome ... Steel3) Shield/closure: open bearing, Z, ZZ, RS, 2RS,RZ, OPEN4) Vibration and Noise level: Z1, Z2.5) ...