SKF 707 ACE/HCP4A Angular Contact Ball Bearing

~Technical specification

Metric
Imperial

DIMENSIONS
d

7 mm
D

19 mm
B

6 mm
d1

10.4 mm
d2

9.9 mm
D1

15.7 mm
r1,2

min. 0.3 mm
r3,4

min. 0.15 mm
a

6.1 mm

ABUTMENT DIMENSIONS
da

min. 9 mm
db

min. 9 mm
Da

max. 17 mm
Db

max. 17.6 mm
ra

max. 0.3 mm
rb

max. 0.15 mm
dn

11.4 mm
CALCULATION DATA
Basic dynamic load rating
C
1.86 kN
Basic static load rating
C0
0.62 kN
Fatigue load limit
Pu
0.019 kN
Attainable speed for grease lubrication

133000 r/min
Attainable speed for oil-air lubrication

205000 r/min
Contact angle
?
25 °
Ball diameter
Dw
3.572 mm
Number of balls
z
8
Reference grease quantity
Gref
0.11 cm³
PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)
Preload class A
GA
17 N
Static axial stiffness, preload class A

23 N/µm
Preload class B
GB
50 N
Static axial stiffness, preload class B

34 N/µm
Preload class C
GC
100 N
Static axial stiffness, preload class C

45 N/µm
CALCULATION FACTORS
Calculation factor
f
1.02
Calculation factor
f1
0.99
Calculation factor
f2A
1
Calculation factor
f2B
1.03
Calculation factor
f2C
1.06
Calculation factor
fHC
1.01
Calculation factor
e
0.68
Calculation factor (single, tandem)
Y2
0.87
Calculation factor (single, tandem)
Y0
0.38
Calculation factor (single, tandem)
X2
0.41
Calculation factor (back-to-back, face-to-face)
Y1
0.92
Calculation factor (back-to-back, face-to-face)
Y2
1.41
Calculation factor (back-to-back, face-to-face)
Y0
0.76
Calculation factor (back-to-back, face-to-face)
X2
0.67
MASS
Mass bearing

0.006 kg