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7901C

Standard Series High Precision Angular Contact Ball Bearings

7901C

Standard Series High Precision Angular Contact Ball Bearings

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Parts Number
7901CTRSULP3

Product Information

Parts Number

7901CTRSULP3

Boundary Dimensions

d	12	mm	Bore diameter
D	24	mm	Outside diameter
B	6	mm	Width
r(min.)	0.3	mm	Chamfer Dimension
r1(min.)	0.15	mm	Chamfer Dimension

Basic Load Ratings

Cr	3.55	kN	Basic Dynamic Load Rating
C0r	1.86	kN	Basic Static Load Rating

Speeds

Grease	63900	min-1	Limiting Speed
Oil (Oil-air)	97300	min-1	Limiting Speed

Dimensions

	C: 15°		Contact Angle
a	5.4	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	14.5	mm	Diameter of Shaft Abutment
Da(max.)	21.5	mm	Diameter of Housing Abutment
Db(max.)	22.8	mm	Diameter of Housing Abutment
ra(max.)	0.3	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.15	mm	Radius of Shaft or Housing Fillet

Performance

Pa

1.45

kN

Permissible Axial Load

Calculation factors

f0

14.7

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	8.6N	12N/μm	4μm
L	16N	16N/μm	2μm
M	41N	25N/μm	-3μm
H	77N	34N/μm	-8μm

Additional information

0.06

g/brg

Recommended Grease Quantities

Mass

0.011

kg

Mass(approx.)

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_C
NSK Product Type	Super Precision Bearing

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