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ZWZ 7220A DB DF DT


Boundary Dimensions
d 100 mm Bore diameter
D 180 mm Outside diameter
B 34 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension
Basic Load Ratings
Cr 173 kN Basic Dynamic Load Rating
C0r 117 kN Basic Static Load Rating
Speeds
Grease 5400 min-1 Limiting Speed
Oil (Oil-air) 7200 min-1 Limiting Speed
Dimensions
A: 30° Contact Angle
a 57.4 mm Effective Load Center
Abutment and Fillet Dimensions
da(min.) 112 mm Diameter of Shaft Abutment
Da(max.) 168 mm Diameter of Housing Abutment
Db(max.) 173 mm Diameter of Housing Abutment
ra(max.) 2 mm Radius of Shaft or Housing Fillet
rb(max.) 1 mm Radius of Shaft or Housing Fillet
Performance
Pa 79.5 kN Permissible Axial Load
Preload,Rigidity(DB and DF arrangement)
Preload Axial Rigidity Measured axial clearance
EL 361N 253N/μm -5μm
L 1664N 430N/μm -20μm
M 5052N 646N/μm -45μm
H 7687N 758N/μm -60μm
Additional information
18 g/brg Recommended Grease Quantities
Mass
3.21 kg Mass(approx.)

bearing warehouse


 


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