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7218A5

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7218A5TRSUHP4 Standard Series High Precision Angular Contact Ball Bearings			Add to Compare You can use this service by registering as a member.

Product Information

Parts Number

7218A5TRSUHP4

Boundary Dimensions

d	90	mm	Bore diameter
D	160	mm	Outside diameter
B	30	mm	Width
r(min.)	2	mm	Chamfer Dimension
r1(min.)	1	mm	Chamfer Dimension

Basic Load Ratings

C_r	147	kN	Basic Dynamic Load Rating
C_0r	100	kN	Basic Static Load Rating

Speeds

Grease	8000	min^-1	Limiting Speed
Oil (Oil-air)	12000	min^-1	Limiting Speed

Dimensions

	A5: 25°		Contact Angle
a	44.1	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	100	mm	Diameter of Shaft Abutment
Da(max.)	150	mm	Diameter of Housing Abutment
Db(max.)	154	mm	Diameter of Housing Abutment
ra(max.)	2	mm	Radius of Shaft or Housing Fillet
rb(max.)	1	mm	Radius of Shaft or Housing Fillet

Performance

Pa

83.5

kN

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	658N	240N/μm	-12μm
L	1272N	304N/μm	-21μm
M	2899N	416N/μm	-39μm
H	5945N	556N/μm	-64μm

Additional information

12

g/brg

Recommended Grease Quantities

Mass

2.31

kg

Mass(approx.)

Drawing for Reference

Designations	Basic Load Ratings		Axial Internal Clearance			Accuracy	Limiting Speeds		Mass
Designations	C_r	C_0r		min	max	Accuracy	Grease (min^-1)	Oil (Oil-air) (min^-1)	(kg)
7218A5TRSUHP4	147	100				P4: ISO Class 4	8000	12000	2.31

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CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_A5
NSK Product Type	Super Precision Bearing
Designations	7218A5

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