51238X

Single-Direction Thrust Ball Bearings

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Parts Number
51238X Single-Direction Thrust Ball Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Display units Metric Imperial

Parts Number

51238X

Boundary Dimensions

d	190	mm	Bore diameter
D	270	mm	Outside diameter
T,T3	62	mm	Height
r (min.)	2	mm	Chamfer dimension

Basic Load Ratings

C_a	320000	N	Basic dynamic load rating
C_0a	1110000	N	Basic static load rating

Speeds

Grease	750	min^-1	Grease lubrication
Oil (Oil-bath)	1100	min^-1	Oil-bath lubrication

Dimensions

d1	267	mm	Outside diameter shaft washer
D1	194	mm	Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.)	238	mm	Diameter of shaft abutment
Da (max.)	222	mm	Diameter of housing abutment
ra (max.)	2	mm	Radius of shaft or housing fillet

Mass

(approx.)

11.8

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)
51238X	190	270	62		320000	1110000	ISO NORMAL CLASS	750	1100	11.8

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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.

51238X

Parts Number

Boundary Dimensions

Basic Load Ratings

Speeds

Dimensions

Abutment and Fillet Dimensions

Mass

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