7020 ACE/HCP4ADTMatched set of two super-precision, high-speed E design, single row angular contact ball bearings

SKU: 7020 ACE/HCP4ADTMatched set of two super-precision, high-speed E design, single row angular contact ball bearings

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:131383

Universal matching bearing(s)
No

Dimensions - 7020 ACE/HCP4ADT

Dimensions

d
100 mm
Bore diameter
D
150 mm
Outside diameter
B
48 mm
Width
d1
117.38 mm
Shoulder diameter of inner ring (large side face)
d2
114.2 mm
Shoulder diameter of inner ring (small side face)
D1
132.61 mm
Shoulder diameter of outer ring (large side face)
r1,2
min. 1.5 mm
Chamfer dimension
r3,4
min. 1 mm
Chamfer dimension

Abutment dimensions - 7020 ACE/HCP4ADTAbutment dimensions - 7020 ACE/HCP4ADT

Abutment dimensions

da
min. 107 mm
Diameter of shaft abutment
db
min. 107 mm
Diameter of shaft abutment
Da
max. 143 mm
Diameter of housing abutment
Db
max. 144.4 mm
Diameter of housing abutment
ra
max. 1.5 mm
Radius of fillet
rb
max. 1 mm
Radius of fillet
dn
120.4 mm
Position of oil nozzle

Calculation data

Basic dynamic load rating C
68 900 N
Basic static load rating C0
75 000 N
Fatigue load limit Pu
2 080 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
25 °
Ball diameter Dw
12.7 mm
Number of rows i
2
Number of balls (per bearing) z
27
Reference grease quantity (per bearing) Gref
17 cm³
Correction factors for preload calculation
Correction factor dependent on bearing series and size f
1.12
Correction factor dependent on contact angle f1
0.99
Correction factor for hybrid bearings fHC
1.01
Factors for equivalent bearing load calculation
Calculation factor e
0.68
Axial load factor (single, tandem) Y1
0
Axial load factor (single, tandem) Y2
0.87
Axial load factor (single, tandem) Y0
0.38
Radial load factor (single, tandem) X1
1
Radial load factor (single, tandem) X2
0.41
Radial load factor (single, tandem) X0
0.5

Mass

Mass
2.25 kg

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