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51434X

Single-Direction Thrust Ball Bearings
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Images shown are representations. Designs and specifications may differ from actual products.
Parts Number
51434X Single-Direction Thrust Ball Bearings
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Display units

Parts Number

51434X

Boundary Dimensions

d 170 mm Bore diameter
D 340 mm Outside diameter
T,T3 135 mm Height
r (min.) 5 mm Chamfer dimension

Basic Load Ratings

Ca 715000 N Basic dynamic load rating
C0a 2480000 N Basic static load rating

Speeds

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

Dimensions

d1 335 mm Outside diameter shaft washer
D1 174 mm Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.) 269 mm Diameter of shaft abutment
Da (max.) 241 mm Diameter of housing abutment
ra (max.) 4 mm Radius of shaft or housing fillet

Mass

(approx.) 61.2 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)
51434X 170 340 135 715000 2480000 ISO NORMAL CLASS 430 630 61.2

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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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