S7024 ACD/P4ATBTAMatched set of three super-precision, high-capacity, D design, single row angular contact ball bearings with seals

SKU: S7024 ACD/P4ATBTAMatched set of three super-precision, high-capacity, D design, single row angular contact ball bearings with seals

These sets of three matched super-precision angular contact ball bearings are available as universally matchable bearings or as preconfigured arrangements. Sets arranged in back-to-back and tandem, or face-to-face and tandem, are available in different preload classes and correct mounting results in preload within a predetermined range, without the need for shims or similar devices. Sets of three bearings paired in tandem need to be mounted against a single bearing, or another set of bearings in tandem, to achieve the desired preload. The bore and outside diameters of the bearings are matched to within a maximum of one-third of the permitted diameter tolerance, to provide better load distribution than single universally matchable bearings.

ID:140102

Universal matching bearing(s)
No

Dimensions - S7024 ACD/P4ATBTA

Dimensions

d
120 mm
Bore diameter
D
180 mm
Outside diameter
B
84 mm
Width
d1
138.5 mm
Shoulder diameter of inner ring (large side face)
D4
171.75 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 - S7024 ACD/P4ATBTA

Abutment dimensions

da
min. 129 mm
Diameter of shaft abutment
da
max. 137.9 mm
Diameter of shaft abutment
Db
max. 175 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
238 000 N
Basic static load rating C0
345 000 N
Fatigue load limit Pu
12 000 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
25 °
Ball diameter Dw
19.05 mm
Number of rows i
3
Number of balls (per bearing) z
22
Preload and stiffness (back-to-back, face-to-face)
Preload class
A
Preload G
931.5 N
Axial stiffness
461.1 N/µm
Correction factors for preload calculation
Correction factor dependent on bearing series and size f
1.17
Correction factor dependent on contact angle f1
0.99
Correction factor, preload class A f2A
1
Correction factor for hybrid bearings fHC
1

Mass

Mass
6.46 kg

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