Designation :ZKLF1255-2Z
	                
                
                Mass(kg) :0,37
	                
                
                Dimensions(mm)
                
                d :12
	                
                
                D :55
	                
                
                B :25
	                
                
                d1 :25
	                
                
                r min. :0,3
	                
                
                r1 min. :0,6
	                
                
                J :42
	                
                
                d2 :6.8
	                
                
                b :3
	                
                
                I :17
	                
                
                Pitch n×t :3×120°
	                
                
                Mounting dimensions(mm)
                
                Da max. :33
	                
                
                da min. :16
	                
                
                t1 :0.1
	                
                
                Fixing screws DIN EN ISO 4762 10.9
                
                Size :M6
	                
                
                na×ta :3×120°
	                
                
                Basic load ratings axial(N)
                
                Ca :18600
	                
                
                Coa :24700
	                
                
                Fatigue limit load
                
                Cu N :1460
	                
                
                Limiting speed
                
                nG grease min–1 :12000
	                
                
                Thermally safe operating speed
                
                nP min–1 :7600
	                
                
                Bearing frictional torque MR Nm :0.08
	                
                
                Rigidity axial caL N/µm :375
	                
                
                Tilting rigidity ckL :50
	                
                
                Mass moment of inertia Mm :0.068
	                
                
                Axial runout µm :2
	                
                
                Recommended INA precision locknut  
                
                For radial locking :ZM12
	                
                
                For axial locking :–
	                
                
                Tightening torque MA Nm :8
	                
                
                Required locknut force axial N :5307