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53214U

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
53214U Single-Direction Thrust Ball Bearings
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Display units

Parts Number

53214U

Boundary Dimensions

d 70 mm Bore diameter
D 105 mm Outside diameter
T,T3 28.8 mm Height
T4 32 mm Height bearing include seat washer
r (min.) 1 mm Chamfer dimension

Basic Load Ratings

Ca 74000 N Basic dynamic load rating
C0a 189000 N Basic static load rating

Speeds

Grease 1900 min-1 Grease lubrication
Oil (Oil-bath) 2800 min-1 Oil-bath lubrication

Dimensions

A 38 mm Centre height housing washer sphere
R 80 mm Radius sphered housing washer
b 9 mm Height sphered housing washer
D2 88 mm Inner diameter sphered seat washer
d1 105 mm Outside diameter shaft washer
D3 110 mm Outside diameter sphered housing washer
D1 72 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 91 mm Diameter of shaft abutment
Da (max.) 84 mm Diameter of housing abutment
ra (max.) 1 mm Radius of shaft or housing fillet

Mass

(approx.) 1.05 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)
53214U 70 105 28.8 32 74000 189000 ISO NORMAL CLASS 1900 2800 1.05

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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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