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Boundary Dimensions
d 140 mm Bore diameter
D 250 mm Outside diameter
B 42 mm Width
r(min.) 3 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension
Basic Load Ratings
Cr 285 kN Basic Dynamic Load Rating
C0r 242 kN Basic Static Load Rating
Speeds
Grease 5200 min-1 Limiting Speed
Oil (Oil-air) 7700 min-1 Limiting Speed
Dimensions
A5: 25° Contact Angle
a 66.5 mm Effective Load Center
Abutment and Fillet Dimensions
da(min.) 154 mm Diameter of Shaft Abutment
Da(max.) 236 mm Diameter of Housing Abutment
Db(max.) 243 mm Diameter of Housing Abutment
ra(max.) 2.5 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet
Performance
Pa 194 kN Permissible Axial Load
Preload,Rigidity(DB and DF arrangement)
Preload Axial Rigidity Measured axial clearance
EL 1499N 376N/μm -18μm
L 3010N 484N/μm -32μm
M 6731N 657N/μm -58μm
H 13407N 867N/μm -93μm
Additional information
39 g/brg Recommended Grease Quantities
Mass
7.91 kg Mass(approx.)

<>ZWZ 7228A5 DB DF DT