Boundary Dimensions
d 300 mm Bore diameter
D 540 mm Outside diameter
T 96 mm Total width
B 85 mm Width of inner ring
C 71 mm Width of outer ring
Cup r (min.) 5 mm Chamfer dimension of outer ring (Cup)
Cone r (min.) 6 mm Chamfer dimension of inner ring (Cone)
Basic Load Ratings
Cr 1770000 N Basic dynamic load rating
C0r 2100000 N Basic static load rating
Speeds
Grease 600 min-1 Grease lubrication
Oil (Oil-bath) 800 min-1 Oil-bath lubrication
Dimensions
a 105.1 mm Effective load center
Abutment and Fillet Dimensions
da (min.) 333 mm Diameter of shaft abutment
Db (min.) 499 mm Diameter of housing abutment
Da (min.) 470 mm Diameter of housing abutment
Da (max.) 518 mm Diameter of housing abutment
Sa 14 mm Minimum width of space required in housing on large side face
Sb 25 mm Minimum width of space required in housing on small side face
db (max.) 355 mm Diameter of shaft abutment
ra (max.) 5 mm Radius of shaft or housing fillet of inner ring
ra (max.) 4 mm Radius of shaft or housing fillet of outer ring
Calculation factors
e 0.44 Constant
Y0 0.74 Axial load Factors
Y1 1.4 Axial load Factors
Mass
(approx.) 80.6 kg
30260 bearing
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ZWZ LYC C&U TWB TMB HRB LS NSK
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