SKF NRT 650 A Bearing

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SKF NRT 650 A Bearing Description

We supply various of SKF NRT 650 A bearings. bearings is purity material and high precision , the varieties of SKF bearings is up to thousands of species .SKF NRT 650 A bearings is known as ” the food of machinery industry” and widely used in different environment and mechanical.The purpose of SKF NRT 650 A bearings is the operation and control. In order to ensure the smooth operation and normally rotation,SKF NRT 650 A bearings inquire deeply into the running of the machine and friction phenomenon .SKF NRT 650 A 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 SKF NRT 650 A bearings will be arranged timely for we have a large stock of SKF NRT 650 A bearings in HongKong.

SKF NRT 650 A Bearing Specification

Bearing number : NRT 650 A

Size (mm) : 650x870x122

Brand : The brand you need

Bore Diameter (mm) : 650

Outer Diameter (mm) : 870

Width (mm) : 122

Bearing dimensions and specification in ALIER catalogue:

d – 650 mm

D – 870 mm

H – 122 mm

d₁ – 800 mm

C – 34 mm

H₁ – 78 mm

J – 680 mm

J₁ – 830 mm

H – 14 mm

N₁ – 20 mm

N₂ – 14 mm

a – 13 mm

r₁ – min. – 1 mm

r₂ – min. – 1 mm

Basic dynamic load rating, radial direction – C – 413 kN

Basic static load rating, radial direction – C₀ – 1600 kN

Basic dynamic load rating, axial direction – C – 365 kN

Basic static load rating, axial direction – C₀ – 5000 kN

Limiting speed for grease lubrication – 55 r/min

Limiting speed for oil lubrication – 110 mm/min

Axial Preload – 27 N

Axial unloading force – 59 kN

Frictional moment – C_RL – 200 N??m

axial stiffness – 60 N/micron

radial stiffness – 17.2 N/micron

Moment stiffness – 3209000 kN??m/mrad

Mass bearing – 170 kg

Guideline diameter – 1450 mm

Size – G – M12

Number of bolts – 6

Angle between bolts – 60 °

Size bolts – M12

Pitch – &alfa; – 7.5 °

Number of bolts – 42

Number of bolts omitted at removal thread position – 6, 60° apart

Size bolts – M12

Pitch – &alfa; – 7.5 °

Number of bolts – 46

Number of bolts omitted at retaining bolts position – 2, 180° apart

Tightening torque – 116 N??m

Size – M12

Number of bolts – 2

Tags :  ALIER , 650x870x122