53428X

Single-Direction Thrust Ball Bearings
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Parts Number

53428X

Boundary Dimensions

d 140 mm Bore diameter
D 280 mm Outside diameter
T,T3 117 mm Height
r (min.) 4 mm Chamfer dimension

Basic Load Ratings

Ca 550000 N Basic dynamic load rating
C0a 1750000 N Basic static load rating

Speeds

Grease 530 min-1 Grease lubrication
Oil (Oil-bath) 800 min-1 Oil-bath lubrication

Dimensions

A 83 mm Centre height housing washer sphere
R 225 mm Radius sphered housing washer
d1 275 mm Outside diameter shaft washer
D1 144 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 222 mm Diameter of shaft abutment
Da (max.) 198 mm Diameter of housing abutment
ra (max.) 3 mm Radius of shaft or housing fillet

Mass

(approx.) 34.8 kg
Designations Boundary Dimensions Basic Load Ratings Tolerance Class Limiting Speeds Mass
d
(mm)
D
(mm)
T,T3
(mm)
T4
(mm)
Ca
(N)
C0a
(N)
Grease
(min-1)
Oil (Oil-bath)
(min-1)
(approx.)
(kg)
53428X 140 280 117 550000 1750000 ISO NORMAL CLASS 530 800 34.8

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Not to scale.
(*) The chamfer dimensions are minimum values.
For heavy load applications, ensure that the da value chosen is large enough to support the shaft washer rib.

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