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ZWZ 7909A5 DB DF DT


Boundary Dimensions
d 45 mm Bore diameter
D 68 mm Outside diameter
B 12 mm Width
r(min.) 0.6 mm Chamfer Dimension
r1(min.) 0.3 mm Chamfer Dimension
Basic Load Ratings
Cr 19.1 kN Basic Dynamic Load Rating
C0r 12.7 kN Basic Static Load Rating
Speeds
Grease 17700 min-1 Limiting Speed
Oil (Oil-air) 26600 min-1 Limiting Speed
Dimensions
A5: 25° Contact Angle
a 19.2 mm Effective Load Center
Abutment and Fillet Dimensions
da(min.) 50 mm Diameter of Shaft Abutment
Da(max.) 63 mm Diameter of Housing Abutment
Db(max.) 65.5 mm Diameter of Housing Abutment
ra(max.) 0.6 mm Radius of Shaft or Housing Fillet
rb(max.) 0.3 mm Radius of Shaft or Housing Fillet
Performance
Pa 9.95 kN Permissible Axial Load
Preload,Rigidity(DB and DF arrangement)
Preload Axial Rigidity Measured axial clearance
EL 70N 88N/μm -1μm
L 146N 115N/μm -4μm
M 353N 160N/μm -10μm
H 676N 208N/μm -17μm
Additional information
0.77 g/brg Recommended Grease Quantities
Mass
0.130 kg Mass(approx.)

bearing warehouse


 


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