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53418X

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
53418X Single-Direction Thrust Ball Bearings
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Parts Number

53418X

Boundary Dimensions

d 90 mm Bore diameter
D 190 mm Outside diameter
T,T3 81.2 mm Height
r (min.) 2.1 mm Chamfer dimension

Basic Load Ratings

Ca 330000 N Basic dynamic load rating
C0a 825000 N Basic static load rating

Speeds

Grease 800 min-1 Grease lubrication
Oil (Oil-bath) 1200 min-1 Oil-bath lubrication

Dimensions

A 40 mm Centre height housing washer sphere
R 140 mm Radius sphered housing washer
d1 187 mm Outside diameter shaft washer
D1 93 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 149 mm Diameter of shaft abutment
Da (max.) 131 mm Diameter of housing abutment
ra (max.) 2 mm Radius of shaft or housing fillet

Mass

(approx.) 10.3 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)
53418X 90 190 81.2 330000 825000 ISO NORMAL CLASS 800 1200 10.3

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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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