7024 CD/P4ATBTDMatched set of three super-precision, high-capacity, D design, single row angular contact ball bearings

SKU: 7024 CD/P4ATBTDMatched 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:138477

Universal matching bearing(s)
No

Dimensions - 7024 CD/P4ATBTD

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)
r1,2
min. 2 mm
Chamfer dimension
r3,4
min. 1 mm
Chamfer dimension

Abutment dimensions - 7024 CD/P4ATBTDAbutment dimensions - 7024 CD/P4ATBTD

Abutment dimensions

da
min. 129 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
dn
142.6 mm
Position of oil nozzle

Calculation data

Basic dynamic load rating C
251 000 N
Basic static load rating C0
365 000 N
Fatigue load limit Pu
12 700 N
Attainable speeds
Contact SKF for the attainable speeds
Contact angle α
15 °
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
Preload and stiffness (back-to-back, face-to-face)
Preload class
D
Preload G
4 644 N
Axial stiffness
527.8 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
1
Correction factor, preload class D f2D
1.09
Correction factor for hybrid bearings fHC
1

Mass

Mass
6.39 kg

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