51204 Series

Single-Direction Thrust Ball Bearings

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Grouped product items
Parts Number		Qty
51204 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

51204

Boundary Dimensions

d	20	mm	Bore diameter
D	40	mm	Outside diameter
T,T3	14	mm	Height
r (min.)	0.6	mm	Chamfer dimension

Basic Load Ratings

C_a	22500	N	Basic dynamic load rating
C_0a	37500	N	Basic static load rating

Speeds

Grease	4300	min^-1	Grease lubrication
Oil (Oil-bath)	6300	min^-1	Oil-bath lubrication

Dimensions

d1	40	mm	Outside diameter shaft washer
D1	22	mm	Inner diameter housing washer

Abutment and Fillet Dimensions

da (min.)	32	mm	Diameter of shaft abutment
Da (max.)	28	mm	Diameter of housing abutment
ra (max.)	0.6	mm	Radius of shaft or housing fillet

Mass

(approx.)

0.077

Properties

Types	With Flat Seat
Cage	( ): Pressed steel cage
Tolerance	ISO NORMAL CLASS

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)
51204	20	40	14		22500	37500		4300	6300	0.077

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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.