S7212 ACD/P4ADBAMatched set of two super-precision, high-capacity, D design, single row angular contact ball bearings with seals

SKU: S7212 ACD/P4ADBAMatched set of two super-precision, high-capacity, D design, single row angular co

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:137482

Universal matching bearing(s)
No

Dimensions - S7212 ACD/P4ADBA

Dimensions

d
60 mm
Bore diameter
D
110 mm
Outside diameter
B
44 mm
Width
d1
76.4 mm
Shoulder diameter of inner ring (large side face)
D4
100.8 mm
Recess diameter outer ring shoulder (small side face)
r1,2
min. 1.5 mm
Chamfer dimension
r3,4
min. 0.6 mm
Chamfer dimension

Abutment dimensions - S7212 ACD/P4ADBA

Abutment dimensions

da
min. 69 mm
Diameter of shaft abutment
da
max. 75.6 mm
Diameter of shaft abutment
Db
max. 105.8 mm
Diameter of housing abutment
ra
max. 1.5 mm
Radius of fillet
rb
max. 0.6 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
88 400 N
Basic static load rating C0
90 000 N
Fatigue load limit Pu
3 800 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
25 °
Ball diameter Dw
14.288 mm
Number of rows i
2
Number of balls (per bearing) z
16
Preload and stiffness (back-to-back, face-to-face)
Preload class
A
Preload G
350 N
Axial stiffness
182 N/µm
Correction factors for preload calculation
Correction factor dependent on bearing series and size f
1.07
Correction factor dependent on contact angle f1
0.99
Correction factor, preload class A f2A
1
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
1.65 kg

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