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53268X

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
53268X Single-Direction Thrust Ball Bearings
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Display units

Parts Number

53268X

Boundary Dimensions

d 340 mm Bore diameter
D 460 mm Outside diameter
T,T3 100.3 mm Height
r (min.) 3 mm Chamfer dimension

Basic Load Ratings

Ca 595000 N Basic dynamic load rating
C0a 2800000 N Basic static load rating

Speeds

Grease 430 min-1 Grease lubrication
Oil (Oil-bath) 630 min-1 Oil-bath lubrication

Dimensions

A 199 mm Centre height housing washer sphere
R 360 mm Radius sphered housing washer
d1 455 mm Outside diameter shaft washer
D1 345 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 411 mm Diameter of shaft abutment
Da (max.) 389 mm Diameter of housing abutment
ra (max.) 2.5 mm Radius of shaft or housing fillet

Mass

(approx.) 52.7 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)
53268X 340 460 100.3 595000 2800000 ISO NORMAL CLASS 430 630 52.7

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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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