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53338X

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
53338X Single-Direction Thrust Ball Bearings
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Display units

Parts Number

53338X

Boundary Dimensions

d 190 mm Bore diameter
D 320 mm Outside diameter
T,T3 111 mm Height
r (min.) 4 mm Chamfer dimension

Basic Load Ratings

Ca 550000 N Basic dynamic load rating
C0a 1960000 N Basic static load rating

Speeds

Grease 500 min-1 Grease lubrication
Oil (Oil-bath) 750 min-1 Oil-bath lubrication

Dimensions

A 104 mm Centre height housing washer sphere
R 250 mm Radius sphered housing washer
d1 315 mm Outside diameter shaft washer
D1 195 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 266 mm Diameter of shaft abutment
Da (max.) 244 mm Diameter of housing abutment
ra (max.) 3 mm Radius of shaft or housing fillet

Mass

(approx.) 38.1 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)
53338X 190 320 111 550000 1960000 ISO NORMAL CLASS 500 750 38.1

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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.

CAD

© NSK Ltd.

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