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Bearing NRT 650 A Bearing NRT 650 A

SKF NRT650A bearing

Details

Axial-radial cylindrical roller bearings, super-precision NRT 650 A

Bearing number : NRT 650 A

Size (mm) : 650x870x122

Brand : SKF

Bore Diameter (mm) : 650

Outer Diameter (mm) : 870

Width (mm) : 122

Bearing dimensions and specification in SKF 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 - CRL - 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

Bearing NRT 650 A Bearing NRT 650 A

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SKF NRT650A bearing Company information

SKF NRT650A bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. SKF NRT650A bearing can ensure high quality for more than 80% raw material of SKF NRT650A bearing provided by the steel plant.Explorer series bearing of SKF NRT650A bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of SKF NRT650A bearing have more advantages ,such as higher meet rated , lower noise, reducing warranty costs greatly, increasing running time of the machine .

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