Material: Chrome steel sae 52100 HRC: 60-65 Specifications: 1) Shield / closure: open bearing, Z, ZZ, RS, 2RS 2) Snap ring: N, NR Inner packing: Box, plastic tube, anti-rust paper Outer packing: Box on pallet, standard export carton We can supply the following Deep Groove Ball Bearings: 6000 6200 6300 6405 6001 6201 6301 6406 6002 6202 6302 6407 6003 6203 6303 6408 6004 6204 6304 6409 60/22 62/22 63/22 6410 6005 6205 6305 6411 60/28 62/28 63/28 6412 6006 6206 6306 6413 63/22 63/28 63/32 6414 6007 6207 6307 6415 6008 6208 6308 6416 6009 6209 6309 6010 6210 6310 6011 6211 6311 6012 6212 6312 6013 6213 6313 6014 6214 6314 6015 6215 6315 6016 6216 6316 6017 6217 6317 6018 6218 6318 specail bearing, used in the machine, we also can desigh the beairng for you