7911C

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7911CTRV1VSULP4 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

7911CTRV1VSULP4

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	20.1	kN	Basic Dynamic Load Rating
C_0r	17.7	kN	Basic Static Load Rating

Speeds

Grease	17100	min^-1	Limiting Speed
Oil (Oil-air)	26000	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

11.0

Permissible Axial Load

Calculation factors

16.3

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	60N	45N/μm	-1μm
L	111N	58N/μm	-5μm
M	296N	90N/μm	-15μm
H	593N	126N/μm	-26μm

Additional information

1.1

g/brg

Recommended Grease Quantities

Mass

0.182

Mass(approx.)

CAD

FAQs

Customer Questions

More Information

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