7024 ACD/PA9ATTMatched set of three super-precision, high-capacity, D design, single row angular contact ball bearings

SKU: 7024 ACD/PA9ATTMatched set of three super-precision, high-capacity, D design, single row angular contact ball bearings

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:138366

Universal matching bearing(s)
No

Dimensions - 7024 ACD/PA9ATT

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)
d2
138.5 mm
Shoulder diameter of inner ring (small side face)
D1
161.5 mm
Shoulder diameter of outer ring (large side face)
r1,2
min. 2 mm
Chamfer dimension
r3,4
min. 1 mm
Chamfer dimension

Abutment dimensions - 7024 ACD/PA9ATTAbutment dimensions - 7024 ACD/PA9ATT

Abutment dimensions

da
min. 129 mm
Diameter of shaft abutment
db
min. 129 mm
Diameter of shaft abutment
Da
max. 171 mm
Diameter of housing abutment
Db
max. 175 mm
Diameter of housing abutment
ra
max. 2 mm
Radius of fillet
rb
max. 1 mm
Radius of fillet
dn
142.6 mm
Position of oil nozzle

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
Reference grease quantity (per bearing) Gref
27 cm³
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 for hybrid bearings fHC
1

Mass

Mass
6.39 kg

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