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SKF 71905 ACE/HCP4AL Angular Contact Ball Bearing

BRAND : SKF
Technical specification

DIMENSIONS

d

Details

Technical specification

DIMENSIONS

d
25 mm
D
42 mm
B
9 mm
d1
30.7 mm
d2
29.4 mm
D1
36.39 mm
b
1.5 mm
C1
4.6 mm
C2
1.4 mm
C3
0.9 mm
r1,2
min. 0.3 mm
r3,4
min. 0.15 mm
a
12.8 mm

ABUTMENT DIMENSIONS

da
min. 27 mm
db
min. 27 mm
Da
max. 40 mm
Db
max. 41.2 mm
ra
max. 0.3 mm
rb
max. 0.15 mm
dn
31.8 mm

CALCULATION DATA

Basic dynamic load ratingC
4.94 kN
Basic static load ratingC0
2.7 kN
Fatigue load limitPu
0.114 kN
Attainable speed for grease lubrication
52000 r/min
Attainable speed for oil-air lubrication
83000 r/min
Contact angle?
25 °
Ball diameterDw
4.762 mm
Number of ballsz
16
Reference grease quantityGref
0.6 cm³
PRELOAD AND STIFFNESS (BACK-TO-BACK, FACE-TO-FACE)
Preload class AGA
45 N
Static axial stiffness, preload class A
57 N/µm
Preload class BGB
140 N
Static axial stiffness, preload class B
86 N/µm
Preload class CGC
270 N
Static axial stiffness, preload class C
111 N/µm
CALCULATION FACTORS
Calculation factorf
1.06
Calculation factorf1
0.98
Calculation factorf2A
1
Calculation factorf2B
1.04
Calculation factorf2C
1.08
Calculation factorfHC
1.01
Calculation factore
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
0.036 kg