7000 Series

7000 Series

Description

Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis. This means that these bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads.

The axial load carrying capacity of angular contact ball bearings increases as the contact angle increases. The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the combined load is transmitted from one raceway to another, and a line perpendicular to the bearing axis

The most commonly used designs are:

single row angular contact ball bearings 

double row angular contact ball bearings 

four-point contact ball bearings 


Dimension and Parameters

7000 Series 7000 Series
Bearing Numbers
Single row :7024A
DB :7024DB
DF :7024DF
DT :7024DT
Principal dimensions(mm)
d :120
D :180
B :28
r(min) :2
r1(min) :1
Basic load ratings(N)
Cr :102000
Cor :107000
Basic load ratings(kgf)
Cr :10400
Cor :10900
Value
fo :16.4
Limiting Speed (rpm)
Grease :3600
Oil :5000
Distance of action point(mm)
a :57.3
Abutment and fillet dimensions
da(min) :130
Da(max) :170
ra(max) :2
Weight
(kg) :2.45
Basic load ratings(duplex bearing) (N)
Cr :166000
Cor :213000
Basic load ratings(duplex bearing) (kgf)
Cr :16900
Cor :21700
Limiting Speed(duplex bearing) (rpm)
Grease :3000
Oil :4000
Distance of action point (duplex bearing)(a0)
back-to-back arrangement :114.6
face-to-face arrangement :58.6
Installation dimensions(duplex bearing)
db(min) :-
Db(max) :174
rb(max) :1