S71930 ACD/P4ADBBMatched set of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals

SKU: S71930 ACD/P4ADBBMatched set of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals

These matched sets of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals are available in a variety of arrangements. They are designed to accommodate heavy loads at relatively high speeds under low to moderate operating temperatures.

ID:142159

Universal matching bearing(s)
No

Dimensions - S71930 ACD/P4ADBB

Dimensions

d
150 mm
Bore diameter
D
210 mm
Outside diameter
B
56 mm
Width
d1
168.5 mm
Shoulder diameter of inner ring (large side face)
D4
201.85 mm
Recess diameter outer ring shoulder (small side face)
r1,2
min. 2 mm
Chamfer dimension
r3,4
min. 1 mm
Chamfer dimension

Abutment dimensions - S71930 ACD/P4ADBB

Abutment dimensions

da
min. 159 mm
Diameter of shaft abutment
da
max. 167.7 mm
Diameter of shaft abutment
Db
max. 205 mm
Diameter of housing abutment
ra
max. 2 mm
Radius of fillet
rb
max. 1 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
178 000 N
Basic static load rating C0
250 000 N
Fatigue load limit Pu
7 800 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
25 °
Ball diameter Dw
19.05 mm
Number of rows i
2
Number of balls (per bearing) z
23
Preload and stiffness (back-to-back, face-to-face)
Preload class
B
Preload G
1 480 N
Axial stiffness
447 N/µm
Correction factors for preload calculation
Correction factor dependent on bearing series and size f
1.24
Correction factor dependent on contact angle f1
0.98
Correction factor, preload class B f2B
1.04
Correction factor for hybrid bearings fHC
1
Factors for equivalent bearing load calculation
Axial load factor (back-to-back, face-to-face) Y1
0.92
Axial load factor (back-to-back, face-to-face) Y2
1.41
Axial load factor (back-to-back, face-to-face) Y0
0.76
Radial load factor (back-to-back, face-to-face) X1
1
Radial load factor (back-to-back, face-to-face) X2
0.67
Radial load factor (back-to-back, face-to-face) X0
1

Mass

Mass
5 kg

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