Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Single row angular contact ball bearings -- Angular contact ball bearings, single row SKF 7280 BM

7280 BM

Dimensions

d		400	mm
D		720	mm
B		103	mm
d₁	≈	532	mm
d₂	≈	486	mm
D₁	≈	591	mm
a		287	mm
r_1,2	min.	6	mm
r_3,4	min.	3	mm

Abutment dimensions

d_a	min.	423	mm
D_a	max.	697	mm
D_b	max.	707	mm
r_a	max.	5	mm
r_b	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	728	kN
Basic static load rating	C₀	1500	kN
Fatigue load limit	P_u	26.5	kN
Reference speed		900	r/min
Limiting speed		950	r/min
Calculation factor	k_r	0.08
Calculation factor	e	1.14
Single bearing or bearing pair arranged in tandem
Calculation factor	X	0.35
Calculation factor	Y₀	0.26
Calculation factor	Y₂	0.57
Bearing pair arranged back-to-back or face-to-face
Calculation factor	X	0.57
Calculation factor	Y₀	0.52
Calculation factor	Y₁	0.55
Calculation factor	Y₂	0.93

Mass

Mass bearing

190

Model Number: 7280 BM
Inner Diameter：400mm Outer Diameter：720mm Width：103mm
Reference speed:950 r/min Limiting speed:900 r/min
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Single row angular contact ball bearings
Details： Single row angular contact ball bearings Angular contact ball bearings, single row
Update date：2026-04-18
Application:Doppler,agricultural testing and analysis equipment and related,Laser Devices,noise inspection,medical equipment,Roller,Industrial,car instrument,turret industry,enzyme,Cylinder Type
Similar models:7280 BM
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