• LBCF-50-A-2LS | LBCF50A2LS • (LB-50-PPGF+TPE) Linear ball bearing open type self-aligning LBCF 50 A: Product features, Attribute Value, Shaft diameter (mm) 50, Outer diameter (mm) 75, Length (mm) 100, Model Open, Sealing No, Corrosion resistant No.