7911CSN24

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7911CSN24TRV1VSUMP4Y 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

7911CSN24TRV1VSUMP4Y

Boundary Dimensions

d	55	mm	Bore diameter
D	80	mm	Outside diameter
B	13	mm	Width
r(min.)	1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_r	24.5	kN	Basic Dynamic Load Rating
C_0r	17.3	kN	Basic Static Load Rating

Speeds

Grease	22300	min^-1	Limiting Speed
Oil (Oil-air)	33800	min^-1	Limiting Speed

Dimensions

	C: 15°		Contact Angle
a	15.5	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	61	mm	Diameter of Shaft Abutment
Da(max.)	74	mm	Diameter of Housing Abutment
Db(max.)	75	mm	Diameter of Housing Abutment
ra(max.)	1	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.5	mm	Radius of Shaft or Housing Fillet

Performance

13.0

Permissible Axial Load

Calculation factors

16.3

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	61N	50N/μm	-1μm
L	119N	66N/μm	-5μm
M	331N	104N/μm	-15μm
H	675N	147N/μm	-26μm

Additional information

1.1

g/brg

Recommended Grease Quantities

Mass

0.163

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)
7911CSN24TRV1VSUMP4Y	24.5	17.3				P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.)	22300	33800	0.163

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CAD

FAQs

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_C
NSK Product Type	Super Precision Bearing
Designations	7911CSN24