Toggle Nav
Search
Advanced Search
Menu
Account
Settings
  • Sign In >

7021A

Standard Series High Precision Angular Contact Ball Bearings
main product photo
Parts Number
7021ATYNSULP4 Standard Series High Precision Angular Contact Ball Bearings
Add to Compare
You can use this service by registering as a member.
Add to Compare
You can use this service by registering as a member.
Tap the image to enlarge it.

Parts Number

7021ATYNSULP4

Boundary Dimensions

d 105 mm Bore diameter
D 160 mm Outside diameter
B 26 mm Width
r(min.) 2 mm Chamfer Dimension
r1(min.) 1 mm Chamfer Dimension

Basic Load Ratings

Cr 84.0 kN Basic Dynamic Load Rating
C0r 81.5 kN Basic Static Load Rating

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

Grease 5600 min-1 Limiting Speed
Oil (Oil-air) 7500 min-1 Limiting Speed

Dimensions

A: 30° Contact Angle
a 51.2 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 115 mm Diameter of Shaft Abutment
Da(max.) 150 mm Diameter of Housing Abutment
Db(max.) 154 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 51.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 98N 188N/μm 0μm
L 840N 388N/μm -10μm
M 2693N 591N/μm -25μm
H 4318N 707N/μm -35μm

Additional information

8.4 g/brg Recommended Grease Quantities

Mass

1.60 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A
NSK Product Type Super Precision Bearing
Designations 7021A

© NSK Ltd.

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