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53330X

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
53330X Single-Direction Thrust Ball Bearings
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Display units

Parts Number

53330X

Boundary Dimensions

d 150 mm Bore diameter
D 250 mm Outside diameter
T,T3 83.7 mm Height
r (min.) 2.1 mm Chamfer dimension

Basic Load Ratings

Ca 380000 N Basic dynamic load rating
C0a 1200000 N Basic static load rating

Speeds

Grease 670 min-1 Grease lubrication
Oil (Oil-bath) 1000 min-1 Oil-bath lubrication

Dimensions

A 89.5 mm Centre height housing washer sphere
R 200 mm Radius sphered housing washer
d1 245 mm Outside diameter shaft washer
D1 154 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 209 mm Diameter of shaft abutment
Da (max.) 191 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet

Mass

(approx.) 17.3 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)
53330X 150 250 83.7 380000 1200000 ISO NORMAL CLASS 670 1000 17.3

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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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