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53252XU

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
53252XU Single-Direction Thrust Ball Bearings
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Display units

Parts Number

53252XU

Boundary Dimensions

d 260 mm Bore diameter
D 360 mm Outside diameter
T,T3 82.8 mm Height
T4 93 mm Height bearing include seat washer
r (min.) 2.1 mm Chamfer dimension

Basic Load Ratings

Ca 435000 N Basic dynamic load rating
C0a 1800000 N Basic static load rating

Speeds

Grease 560 min-1 Grease lubrication
Oil (Oil-bath) 850 min-1 Oil-bath lubrication

Dimensions

A 152 mm Centre height housing washer sphere
R 280 mm Radius sphered housing washer
b 30 mm Height sphered housing washer
D2 305 mm Inner diameter sphered seat washer
d1 355 mm Outside diameter shaft washer
D3 370 mm Outside diameter sphered housing washer
D1 264 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 319 mm Diameter of shaft abutment
Da (max.) 301 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet

Mass

(approx.) 33.2 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)
53252XU 260 360 82.8 93 435000 1800000 ISO NORMAL CLASS 560 850 33.2

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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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