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7222C

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7222CTYNSUMP4Y 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

7222CTYNSUMP4Y

Boundary Dimensions

d	110	mm	Bore diameter
D	200	mm	Outside diameter
B	38	mm	Width
r(min.)	2.1	mm	Chamfer Dimension
r1(min.)	1.1	mm	Chamfer Dimension

Basic Load Ratings

C_r	222	kN	Basic Dynamic Load Rating
C_0r	160	kN	Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease	7500	min^-1	Limiting Speed
Oil (Oil-air)	9000	min^-1	Limiting Speed

Dimensions

	C: 15°		Contact Angle
a	39.8	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	122	mm	Diameter of Shaft Abutment
Da(max.)	188	mm	Diameter of Housing Abutment
Db(max.)	193	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

108

kN

Permissible Axial Load

Calculation factors

f0

14.5

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	632N	117N/μm	-24μm
L	1281N	156N/μm	-43μm
M	2962N	228N/μm	-78μm
H	5901N	320N/μm	-121μm

Additional information

25

g/brg

Recommended Grease Quantities

Mass

4.45

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)
7222CTYNSUMP4Y	222	160				P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.)	7500	9000	4.45

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CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_C
NSK Product Type	Super Precision Bearing
Designations	7222C

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