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

7921A5SN24

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
7921A5SN24TYNSUHP3 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

7921A5SN24TYNSUHP3

Boundary Dimensions

d	105	mm	Bore diameter
D	145	mm	Outside diameter
B	20	mm	Width
r(min.)	1.1	mm	Chamfer Dimension
r1(min.)	0.6	mm	Chamfer Dimension

Basic Load Ratings

C_r	61.0	kN	Basic Dynamic Load Rating
C_0r	51.5	kN	Basic Static Load Rating

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

Grease	8000	min^-1	Limiting Speed
Oil (Oil-air)	11000	min^-1	Limiting Speed

Dimensions

	A5: 25°		Contact Angle
a	39.2	mm	Effective Load Center

Abutment and Fillet Dimensions

da(min.)	112	mm	Diameter of Shaft Abutment
Da(max.)	138	mm	Diameter of Housing Abutment
Db(max.)	140	mm	Diameter of Housing Abutment
ra(max.)	1	mm	Radius of Shaft or Housing Fillet
rb(max.)	0.6	mm	Radius of Shaft or Housing Fillet

Performance

Pa

48.7

kN

Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

	Preload	Axial Rigidity	Measured axial clearance
EL	296N	234N/μm	-4μm
L	636N	308N/μm	-9μm
M	1565N	432N/μm	-19μm
H	3208N	577N/μm	-32μm

Additional information

4.8

g/brg

Recommended Grease Quantities

Mass

0.718

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)
7921A5SN24TYNSUHP3	61.0	51.5				P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.)	8000	11000	0.718

You can use this service by registering as a member.

CAD

Customer Questions

More Information

More Information
NSK Product Type2	SP_ACBB_ST_A5
NSK Product Type	Super Precision Bearing
Designations	7921A5SN24

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