NTN 7228DB Bearing Specification
Bearing number : 7228DB
Size (mm) : 140x250x42
Brand : NTN
Bore Diameter (mm) : 140
Outer Diameter (mm) : 250
Width (mm) : 42
Bearing dimensions and specification in YHY catalogue:
d – 140 mm
D – 250 mm
B – 42 mm
C – 42 mm
ra1 max. – 1 mm
Angle (α) – 25 °
a – 77,5 mm
r min. – 3 mm
r1 min. – 1,1 mm
2B – 84 mm
da min. – 154 mm
ra max. – 2,5 mm
Db max – 243 mm
Weight – 17,56 Kg
Basic dynamic load rating (C) – 330 kN
Basic static load rating (C0) – 430 kN
(Grease) Lubrication Speed – 2 200 r/min
(Oil) Lubrication Speed – 2 900 r/min
Tags : YHY , 140x250x42
NTN 7228DB Bearing Description
We supply various of NTN 7228DB bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 7228DB bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 7228DB bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 7228DB bearings inquire deeply into the running of the machine and friction phenomenon .NTN 7228DB 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 7228DB bearings will be arranged timely for we have a large stock of NTN 7228DB bearings in HongKong.
