7280 BMSingle row angular contact ball bearing

SKU: 7280 BMSingle row angular contact ball bearing

These single row angular contact ball bearings can accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They can operate at high speeds and, depending on the variant, even very high speeds. They are more suitable than deep groove ball bearings for supporting large axial forces acting in one direction.

ID:103966

Dimensions - 7280 BM

Dimensions

d
400 mm
Bore diameter
D
720 mm
Outside diameter
B
103 mm
Width
d1
532 mm
Shoulder diameter of inner ring (large side face)
d2
486 mm
Shoulder diameter of inner ring (small side face)
D1
591 mm
Shoulder diameter of outer ring (large side face)
a
287 mm
Distance side face to pressure point
r1,2
min. 6 mm
Chamfer dimension
r3,4
min. 3 mm
Chamfer dimension

Abutment dimensions - 7280 BM

Abutment dimensions

da
min. 423 mm
Diameter of shaft abutment
Da
max. 697 mm
Abutment diameter housing
Db
max. 707 mm
Diameter of housing abutment
ra
max. 5 mm
Radius of fillet
rb
max. 2.5 mm
Radius of fillet

Calculation data

Basic dynamic load rating C
728 kN
Basic static load rating C0
1 500 kN
Fatigue load limit Pu
26.5 kN
Reference speed
900 r/min
Limiting speed
900 r/min
Minimum axial load factor A
36.3
Minimum radial load factor kr
0.08
Limiting value e
1.14
Single bearing or bearing pair arranged in tandem
Calculation factor (single, tandem) X
0.35
Calculation factor (single, tandem) Y0
0.26
Calculation factor (single, tandem) Y2
0.57
Bearing pair arranged back-to-back or face-to-face
Calculation factor (back-to-back, face-to-face) X
0.57
Calculation factor (back-to-back, face-to-face) Y0
0.52
Calculation factor (back-to-back, face-to-face) Y1
0.55
Calculation factor (back-to-back, face-to-face) Y2
0.93

Mass

Mass
190 kg

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