S71918 CD/HCP4ADGAMatched set of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals

SKU: S71918 CD/HCP4ADGAMatched set of two super-precision, high-capacity, D design, single row angular

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:144384

Universal matching bearing(s)
Yes, back-to-back (<>), face-to-face (><) or tandem (>>)

Dimensions - S71918 CD/HCP4ADGA

Dimensions

d
90 mm
Bore diameter
D
125 mm
Outside diameter
B
36 mm
Width
d1
100.8 mm
Shoulder diameter of inner ring (large side face)
d2
100.8 mm
Shoulder diameter of inner ring (small side face)
D2
117.1 mm
Recess diameter of outer ring (large side face)
D4
120.45 mm
Recess diameter outer ring shoulder (small side face)
r1,2
min. 1.1 mm
Chamfer dimension
r3,4
min. 0.6 mm
Chamfer dimension

Abutment dimensions - S71918 CD/HCP4ADGA

Abutment dimensions

da
min. 96 mm
Diameter of shaft abutment
da
max. 100.2 mm
Diameter of shaft abutment
db
min. 96 mm
Diameter of shaft abutment
db
max. 100.2 mm
Diameter of shaft abutment
Da
max. 119 mm
Diameter of housing abutment
Db
max. 121 mm
Diameter of housing abutment
ra
max. 1 mm
Radius of fillet
rb
max. 0.6 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
76 100 N
Basic static load rating C0
102 000 N
Fatigue load limit Pu
3 050 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
15 °
Ball diameter Dw
11.112 mm
Number of rows i
2
Number of balls (per bearing) z
26
Preload and stiffness (back-to-back, face-to-face)
Preload class
A
Preload G
180 N
Axial stiffness
104 N/µm
Correction factors for preload calculation
Correction factor dependent on bearing series and size f
1.23
Correction factor dependent on contact angle f1
1
Correction factor, preload class A f2A
1
Correction factor for hybrid bearings fHC
1.04
Factors for equivalent bearing load calculation
Calculation factor for equivalent loads f0
16.3
Additional factors for equivalent loads
Refer to Notes 1 and 2 below

Mass

Mass
0.96 kg

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