NTN 231/670B Bearing Specification

Bearing number : 231/670B
Size (mm) : 670x1090x336
Brand : NTN
Bore Diameter (mm) : 670
Outer Diameter (mm) : 1090
Width (mm) : 336
Bearing dimensions and specification in YHY catalogue:
d – 670 mm
D – 1 090 mm
B – 336 mm
C – 336 mm
r min. – 7,5 mm
da min. – 706 mm
Da max. – 1 054 mm
ra max. – 6 mm
Weight – 1 250 Kg
Basic dynamic load rating (C) – 11 000 kN
Basic static load rating (C0) – 22 800 kN
(Grease) Lubrication Speed – 230 r/min
(Oil) Lubrication Speed – 300 r/min
Calculation factor (e) – 0,3
Calculation factor (Y0) – 2,17
Calculation factor (Y1) – 2,22
Calculation factor (Y2) – 3,3
Tags : YHY , 670x1090x336
NTN 231/670B Bearing Description
We supply various of NTN 231/670B bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 231/670B bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 231/670B bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 231/670B bearings inquire deeply into the running of the machine and friction phenomenon .NTN 231/670B 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 231/670B bearings will be arranged timely for we have a large stock of NTN 231/670B bearings in HongKong.