7012 CE/HCPA9ADBAMatched set of two super-precision, high-speed E design, single row angular contact ball bearings

SKU: 7012 CE/HCPA9ADBAMatched set of two super-precision, high-speed E design, single row angular conta

These matched sets of two super-precision, high-speed, E design, single row angular contact ball bearings are available in a variety of arrangements. Compared to the equivalent SKF B design high-speed bearings, these have a slightly higher speed capability and can accommodate heavier loads.

ID:135066

Universal matching bearing(s)
No

Dimensions - 7012 CE/HCPA9ADBA

Dimensions

d
60 mm
Bore diameter
D
95 mm
Outside diameter
B
36 mm
Width
d1
72.74 mm
Shoulder diameter of inner ring (large side face)
r1,2
min. 1.1 mm
Chamfer dimension
r3,4
min. 0.6 mm
Chamfer dimension

Abutment dimensions - 7012 CE/HCPA9ADBAAbutment dimensions - 7012 CE/HCPA9ADBA

Abutment dimensions

da
min. 66 mm
Diameter of shaft abutment
Db
max. 90.8 mm
Diameter of housing abutment
ra
max. 1 mm
Radius of fillet
rb
max. 0.6 mm
Radius of fillet
dn
74.6 mm
Position of oil nozzle

Calculation data

Basic dynamic load rating C
27 600 N
Basic static load rating C0
25 500 N
Fatigue load limit Pu
800 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
15 °
Ball diameter Dw
7.938 mm
Number of rows i
2
Number of balls (per bearing) z
25
Reference grease quantity (per bearing) Gref
5.3 cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class
A
Preload G
92 N
Axial stiffness
53 N/µm
Correction factors for preload calculation
Correction factor dependent on bearing series and size f
1.08
Correction factor dependent on contact angle f1
1
Correction factor, preload class A f2A
1
Correction factor for hybrid bearings fHC
1.01
Factors for equivalent bearing load calculation
Calculation factor for equivalent loads f0
8.5
Additional factors for equivalent loads
Refer to Notes 1 and 2 below

Mass

Mass
0.78 kg

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