Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Single row angular contact ball bearings -- Angular contact ball bearings, single row SKF 7256 BM

7256 BM

Dimensions

d		280	mm
D		500	mm
B		80	mm
d₁	≈	367.7	mm
d₂	≈	328.07	mm
D₁	≈	417.7	mm
a		204	mm
r_1,2	min.	5	mm
r_3,4	min.	2	mm

Abutment dimensions

d_a	min.	300	mm
D_a	max.	480	mm
D_b	max.	489	mm
r_a	max.	4	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	507	kN
Basic static load rating	C₀	830	kN
Fatigue load limit	P_u	17.6	kN
Reference speed		1400	r/min
Limiting speed		1400	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

67.5

Model Number: 7256 BM
Inner Diameter：280mm Outer Diameter：500mm Width：80mm
Reference speed:1400 r/min Limiting speed:1400 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：2026-04-19
Application:Blood coagulation reagent,scientific instruments,historical instruments,tooth filling,car instrument,ventilation equipment,Doppler,cleaners,hydraulic cylinder buffer,power tools,Technical Equipment
Similar models:7256 BM
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