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53206U

Single-Direction Thrust Ball Bearings
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Parts Number
53206U Single-Direction Thrust Ball Bearings
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Display units

Parts Number

53206U

Boundary Dimensions

d 30 mm Bore diameter
D 52 mm Outside diameter
T,T3 17.8 mm Height
T4 20 mm Height bearing include seat washer
r (min.) 0.6 mm Chamfer dimension

Basic Load Ratings

Ca 29500 N Basic dynamic load rating
C0a 58000 N Basic static load rating

Speeds

Grease 3400 min-1 Grease lubrication
Oil (Oil-bath) 5300 min-1 Oil-bath lubrication

Dimensions

A 22 mm Centre height housing washer sphere
R 45 mm Radius sphered housing washer
b 5.5 mm Height sphered housing washer
D2 42 mm Inner diameter sphered seat washer
d1 52 mm Outside diameter shaft washer
D3 55 mm Outside diameter sphered housing washer
D1 32 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 43 mm Diameter of shaft abutment
Da (max.) 39 mm Diameter of housing abutment
ra (max.) 0.6 mm Radius of shaft or housing fillet

Mass

(approx.) 0.183 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)
53206U 30 52 17.8 20 29500 58000 ISO NORMAL CLASS 3400 5300 0.183

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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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