Bearing 30228 J2

Bearing 30228 J2 images Bearing 30228 J2 images
From: Tapered Roller Bearings
Tapered Roller Bearings Bearing 30228 J2 Related parameters
Name Value
Bearing number 30228 J2
Size (mm) 140x250x45,75
Brand MBY
Bore Diameter (mm) 140
Outer Diameter (mm) 250
Width (mm) 45,75
Bearing dimensions and specification
Name Value
d 140 mm
D 250 mm
T 45.75 mm
d1 - 187.12 mm
B 42 mm
C 36 mm
r1,2 min. - 4 mm
r3,4 min. - 3 mm
a 47 mm
da max. - 163 mm
db min. - 154 mm
Da min. - 219 mm
Da max. - 236 mm
Db min. - 234 mm
Ca min. - 9 mm
Cb min. - 9.5 mm
ra max. - 4 mm
rb max. - 3 mm
Basic dynamic load rating C - 418 kN
Basic static load rating C0 - 570 kN
Fatigue load limit Pu - 58.5 kN
Reference speed 1900 r/min
Limiting speed 2600 r/min
Calculation factor e - 0.43
Calculation factor Y - 1.4
Calculation factor Y0 - 0.8
Mass bearing 8.688 kg

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