... Stainless steel or Carbon steel2. Brand: TINMY3. High quality with very smooth feeling, quality standard: ISO9001:20084. Noise level: Z1,Z2,Z3 ... P2(ABEC1,ABEC3,ABEC5,ABEC7,ABEC9)7. Seal form: OPEN, Z,ZZ,RS,2RS,N,NR Greese/OilAs you requirement ... appliances, low noise and high speed electric motors, automotive components, pumps, machinery.ServiceOEM,after marketPackageSingle box or according to buyers ...