NTN 7311DB Bearing Specification
![Bearing 7311DB](/wp-content/uploads/2023/09/7db-ntn.png)
Bearing number : 7311DB
Size (mm) : 55x120x29
Brand : NTN
Bore Diameter (mm) : 55
Outer Diameter (mm) : 120
Width (mm) : 29
Bearing dimensions and specification in YHY catalogue:
d – 55 mm
D – 120 mm
B – 29 mm
C – 29 mm
ra1 max. – 1 mm
Angle (α) – 25 °
a – 40 mm
r min. – 2 mm
r1 min. – 1 mm
2B – 58 mm
da min. – 65 mm
ra max. – 2 mm
Db max – 114,5 mm
Weight – 2,78 Kg
Basic dynamic load rating (C) – 139 kN
Basic static load rating (C0) – 123 kN
(Grease) Lubrication Speed – 5 100 r/min
(Oil) Lubrication Speed – 6 800 r/min
Tags : YHY , 55x120x29
NTN 7311DB Bearing Description
We supply various of NTN 7311DB bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 7311DB bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 7311DB bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 7311DB bearings inquire deeply into the running of the machine and friction phenomenon .NTN 7311DB 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 7311DB bearings will be arranged timely for we have a large stock of NTN 7311DB bearings in HongKong.