51211

Single-Direction Thrust Ball Bearings

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Parts Number
51211 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

51211

Boundary Dimensions

d	55	mm	Bore diameter
D	90	mm	Outside diameter
T,T3	25	mm	Height
r (min.)	1	mm	Chamfer dimension

Basic Load Ratings

C_a	70000	N	Basic dynamic load rating
C_0a	159000	N	Basic static load rating

Speeds

Grease	2200	min^-1	Grease lubrication
Oil (Oil-bath)	3200	min^-1	Oil-bath lubrication

Dimensions

d1	90	mm	Outside diameter shaft washer
D1	57	mm	Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.)	76	mm	Diameter of shaft abutment
Da (max.)	69	mm	Diameter of housing abutment
ra (max.)	1	mm	Radius of shaft or housing fillet

Mass

(approx.)

0.599

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)
51211	55	90	25		70000	159000	ISO NORMAL CLASS	2200	3200	0.599

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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.

51211

Parts Number

Boundary Dimensions

Basic Load Ratings

Speeds

Dimensions

Abutment and Fillet Dimensions

Mass

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