NTN 7921DF Bearing Specification
Bearing number : 7921DF
Size (mm) : 105x145x20
Brand : NTN
Bore Diameter (mm) : 105
Outer Diameter (mm) : 145
Width (mm) : 20
Bearing dimensions and specification in YHY catalogue:
d – 105 mm
D – 145 mm
B – 20 mm
ra1 max. – 0,6 mm
Angle (α) – 25 °
a – 46 mm
r min. – 1,1 mm
r1 min. – 0,6 mm
2B – 40 mm
Da max. – 138 mm
db min – 112 mm
ra max. – 1 mm
Weight – 1,944 Kg
Basic dynamic load rating (C) – 79 kN
Basic static load rating (C0) – 109 kN
(Grease) Lubrication Speed – 3 500 r/min
(Oil) Lubrication Speed – 4 700 r/min
Tags : YHY , 105x145x20
NTN 7921DF Bearing Description
We supply various of NTN 7921DF bearings. bearings is purity material and high precision , the varieties of NTN bearings is up to thousands of species .NTN 7921DF bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of NTN 7921DF bearings is the operation and control. In order to ensure the smooth operation and normally rotation,NTN 7921DF bearings inquire deeply into the running of the machine and friction phenomenon .NTN 7921DF 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 7921DF bearings will be arranged timely for we have a large stock of NTN 7921DF bearings in HongKong.
