JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

7944C

Standard Series High Precision Angular Contact Ball Bearings

Skip to the end of the images gallery

main product photo

Skip to the beginning of the images gallery

Parts Number
7944CTRSUMP3 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

7944CTRSUMP3

Boundary Dimensions

d	220	mm	Bore diameter
D	300	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	200	kN	Basic Dynamic Load Rating
C_0r	256	kN	Basic Static Load Rating

Speeds

Grease	4100	min^-1	Limiting Speed
Oil (Oil-air)	6400	min^-1	Limiting Speed

Dimensions

	C: 15°		Contact Angle
a	53.8	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	232	mm	Diameter of Shaft Abutment
Da(max.)	288	mm	Diameter of Housing Abutment
Db(max.)	293	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

150

kN

Permissible Axial Load

Calculation factors

f0

16.7

Factor

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	848N	193N/μm	-17μm
L	1690N	256N/μm	-32μm
M	3793N	367N/μm	-59μm
H	7530N	513N/μm	-93μm

Additional information

39

g/brg

Recommended Grease Quantities

Mass

7.50

kg

Mass(approx.)

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_C
NSK Product Type	Super Precision Bearing
Designations	7944C

Copyright © 2013-present Magento, Inc. All rights reserved.