53311U Series

Single-Direction Thrust Ball Bearings

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Parts Number
53311U 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

53311U

Boundary Dimensions

d	55	mm	Bore diameter
D	105	mm	Outside diameter
T,T3	39.3	mm	Height
T4	42	mm	Height bearing include seat washer
r (min.)	1.1	mm	Chamfer dimension

Basic Load Ratings

C_a	115000	N	Basic dynamic load rating
C_0a	244000	N	Basic static load rating

Speeds

Grease	1600	min^-1	Grease lubrication
Oil (Oil-bath)	2400	min^-1	Oil-bath lubrication

Dimensions

A	30	mm	Centre height housing washer sphere
R	80	mm	Radius sphered housing washer
b	11.5	mm	Height sphered housing washer
D2	80	mm	Inner diameter sphered seat washer
d1	105	mm	Outside diameter shaft washer
D3	110	mm	Outside diameter sphered housing washer
D1	57	mm	Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.)	85	mm	Diameter of shaft abutment
Da (max.)	75	mm	Diameter of housing abutment
ra (max.)	1	mm	Radius of shaft or housing fillet

Mass

(approx.)

1.78

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)
53311U	55	105	39.3	42	115000	244000		1600	2400	1.78

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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.