The item of Spherical roller bearings we can manufacture is as follow PRODUCTS SERIESDIMENSION d(mm)DERIVING STRUCTURE2220010220K,/W33,K/W332230010190K,/W33,K/W332310010240K,/W33,K/W332320010240K,/W33,K/W332300010260K,/W33,K/W332400030260K,/W33,K/W332410010240K,/W33,K/W332130010110K,/W33,K/W33The Grade of LHZ Industry products is P0.If you have any enquiry or question,donot hesitate to tell me.