NTN 30228 Bearing Specification
Bearing number : 30228
Size (mm) : 140x250x45.75
Brand : NTN
Bore Diameter (mm) : 140
Outer Diameter (mm) : 250
Width (mm) : 45,75
Bearing dimensions and specification in YHY catalogue:
d – 140 mm
D – 250 mm
T – 45,75 mm
B – 42 mm
C – 36 mm
ra1 max. – 2,5 mm
a – 47,5 mm
r min. – 3 mm
r1 min. – 3 mm
da min. – 158 mm
Da min – 219 mm
Da max. – 236 mm
db max. – 163 mm
Db min. – 237 mm
ra max. – 2,5 mm
Sa – 7 mm
Sb – 9,5 mm
Weight – 8,37 Kg
Basic dynamic load rating (C) – 375 kN
Basic static load rating (C0) – 485 kN
(Grease) Lubrication Speed – 1 400 r/min
(Oil) Lubrication Speed – 1 900 r/min
Calculation factor (e) – 0,43
Calculation factor (Y0) – 0,77
Calculation factor (Y2) – 1,39
Tags : YHY , 140x250x45.75
NTN 30228 Bearing Description
We supply various of NTN 30228 bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 30228 bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 30228 bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 30228 bearings inquire deeply into the running of the machine and friction phenomenon .NTN 30228 bearings is widely used in automobile, motor, gear, injection molding machines, machine tools, mining machinery, engineering machinery, motorcycles, office equipment, paper making machinery, pumps and compressors, wind power generator and so on.The shipment of NTN 30228 bearings will be arranged timely for we have a large stock of NTN 30228 bearings in HongKong.
