... bearing Gcr15 4. Non-standard available Linear Bearig LM8UU-OP SPECIFICATIONQUICK INFORMATION;Brand :WERBType:LM8UU-OPLinear ball circuit:4Diameter: ... adjustment type linear bearing *LM...UU: LM...(sylinder), LM...OP(open type), LM...AJ(clearance adustable) *LME...UU: LME ... ...(sylinder), LME...OP(open type), LME...AJ(clearance adustable), LM...UU & LME... ...