JM515649 Cylindrical Roller Bearings Interchange 2018 NEW
Bearing number:7248 BCBM
Size (mm):440x240x72
Bore Diameter (mm):440
Outer Diameter (mm):240
Width (mm):72
d:240 mm
D:440 mm
B:72 mm

Product Details

Bearing number7248 BCBM
Size (mm)440x240x72
Bore Diameter (mm)440
Outer Diameter (mm)240
Width (mm)72
d240 mm
D440 mm
B72 mm
d1322.6 mm
d2292.62 mm
D1360.41 mm
a180 mm
r1,2 - min.4 mm
r3,4 - min.1.5 mm
da - min.257 mm
Da - max.423 mm
Db - max.431 mm
ra - max.4 mm
rb - max.1.5 mm
Basic dynamic load rating - C449 kN
Basic static load rating - C0670 kN
Fatigue load limit - Pu15.3 kN
Reference speed1600 r/min
Limiting speed2600 r/min
Calculation factor - kr0.08
Calculation factor - ka1.2
Calculation factor - e1.14
Calculation factor - X0.35
Calculation factor - Y00.5
Calculation factor - Y10.55
Calculation factor - Y20.57
d1 ≈322.6 mm
d2 ≈292.62 mm
D1 ≈360.41 mm
r1,2 min.4 mm
r3,4 min.1.5 mm
da min.257 mm
Da max.423 mm
Db max.431 mm
ra max.4 mm
rb max.1.5 mm
Basic dynamic load rating C449 kN
Basic static load rating C0670 kN
Fatigue load limit Pu15.3 kN
Calculation factor A5.12
Calculation factor kr0.08
Calculation factor e1.14
Calculation factor X0.57
Calculation factor Y00.52
Calculation factor Y20.93
Calculation factor Y10.55
Mass bearing49 kg
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Company Profile

Bearing Distributors Inc
Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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