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ZWZ 7021C DB DF DT


Boundary Dimensions
d 105 mm Bore diameter
D 160 mm Outside diameter
B 26 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension
Basic Load Ratings
Cr 111 kN Basic Dynamic Load Rating
C0r 89.5 kN Basic Static Load Rating
Speeds
Grease 8700 min-1 Limiting Speed
Oil (Oil-air) 13300 min-1 Limiting Speed
Dimensions
C: 15° Contact Angle
a 30.7 mm Effective Load Center
Abutment and Fillet Dimensions
da(min.) 115 mm Diameter of Shaft Abutment
Da(max.) 150 mm Diameter of Housing Abutment
Db(max.) 154 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 57.0 kN Permissible Axial Load
Calculation factors
f0 15.9 Factor
Preload,Rigidity(DB and DF arrangement)
Preload Axial Rigidity Measured axial clearance
EL 330N 103N/μm -11μm
L 625N 134N/μm -21μm
M 1494N 197N/μm -42μm
H 2973N 276N/μm -67μm
Additional information
8.4 g/brg Recommended Grease Quantities
Mass
1.58 kg Mass(approx.)

bearing warehouse


 


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