51272X Series

Single-Direction Thrust Ball Bearings

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Grouped product items
Parts Number
51272X Single-Direction Thrust Ball Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Designations

51272X

Boundary Dimensions

d	360	mm	Bore diameter
D	500	mm	Outside diameter
T,T3	110	mm	Height
r (min.)	4	mm	Chamfer dimension

Basic Load Ratings

C_a	705000	N	Basic dynamic load rating
C_0a	3500000	N	Basic static load rating

Speeds

Grease	380	min^-1	Grease lubrication
Oil (Oil-bath)	560	min^-1	Oil-bath lubrication

Dimensions

d1	495	mm	Outside diameter shaft washer
D1	365	mm	Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.)	442	mm	Diameter of shaft abutment
Da (max.)	418	mm	Diameter of housing abutment
ra (max.)	3	mm	Radius of shaft or housing fillet

Mass

(approx.)

68.8

Drawing for Reference

Designations	Boundary Dimensions				Basic Load Ratings		Tolerance Class	Limiting Speeds		Mass
Designations	d (mm)	D (mm)	T,T3 (mm)	T4 (mm)	C_a (N)	C_0a (N)	Tolerance Class	Grease (min^-1)	Oil (Oil-bath) (min^-1)	(approx.) (kg)
51272X	360	500	110		705000	3500000		380	560	68.8

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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

FAQs (2)

Customer Questions

How are axial load and thrust load different?

Axial load and thrust load are different words for the same concept: They both refer to loads parallel to the axis of the shaft.

Can thrust ball bearings take radial loads?

No, thrust ball bearings cannot take radial loads.