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ZWZ 7221A DB DF DT


Boundary Dimensions
d 105 mm Bore diameter
D 190 mm Outside diameter
B 36 mm Width
r(min.) 2.1 mm Chamfer Dimension
r1(min.) 1.1 mm Chamfer Dimension
Basic Load Ratings
Cr 188 kN Basic Dynamic Load Rating
C0r 132 kN Basic Static Load Rating
Speeds
Grease 5100 min-1 Limiting Speed
Oil (Oil-air) 6800 min-1 Limiting Speed
Dimensions
A: 30° Contact Angle
a 60.6 mm Effective Load Center
Abutment and Fillet Dimensions
da(min.) 117 mm Diameter of Shaft Abutment
Da(max.) 178 mm Diameter of Housing Abutment
Db(max.) 183 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 85.0 kN Permissible Axial Load
Preload,Rigidity(DB and DF arrangement)
Preload Axial Rigidity Measured axial clearance
EL 368N 260N/μm -5μm
L 2298N 493N/μm -25μm
M 5208N 666N/μm -45μm
H 8924N 818N/μm -65μm
Additional information
21 g/brg Recommended Grease Quantities
Mass
3.82 kg Mass(approx.)

bearing warehouse


 


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