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Bearing NRT 260 B Bearing NRT 260 B

SKF NRT260B bearing

Details

Axial-radial cylindrical roller bearings, super-precision NRT 260 B

Bearing number : NRT 260 B

Size (mm) : 260x385x55

Brand : SKF

Bore Diameter (mm) : 260

Outer Diameter (mm) : 385

Width (mm) : 55

Bearing dimensions and specification in SKF catalogue:

d - 260 mm

D - 385 mm

H - 55 mm

d1 - 345 mm

C - 18 mm

H1 - 36.5 mm

J - 280 mm

J1 - 365 mm

H - 9.3 mm

N1 - 15 mm

N2 - 9.3 mm

a - 8.2 mm

r1 - min. - 0.6 mm

r2 - min. - 0.6 mm

Basic dynamic load rating, radial direction - C - 108 kN

Basic static load rating, radial direction - C0 - 355 kN

Basic dynamic load rating, axial direction - C - 95 kN

Basic static load rating, axial direction - C0 - 780 kN

Limiting speed for grease lubrication - 130 r/min

Limiting speed for oil lubrication - 260 mm/min

Axial Preload - 7.3 N

Axial unloading force - 16 kN

Frictional moment - CRL - 25 N·m

axial stiffness - 14.7 N/micron

radial stiffness - 8.3 N/micron

Moment stiffness - 153000 kN·m/mrad

Mass bearing - 18.2 kg

Guideline diameter - 630 mm

Size - G - M12

Number of bolts - 3

Angle between bolts - 120 °

Size bolts - M8

Pitch - &alfa; - 10 °

Number of bolts - 33

Number of bolts omitted at removal thread position - 3, 120° apart

Size bolts - M8

Pitch - &alfa; - 10 °

Number of bolts - 34

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

Tightening torque - 34 N·m

Size - M8

Number of bolts - 2

Bearing NRT 260 B Bearing NRT 260 B

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SKF NRT260B bearing Company information

SKF NRT260B bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. SKF NRT260B bearing can ensure high quality for more than 80% raw material of SKF NRT260B bearing provided by the steel plant.Explorer series bearing of SKF NRT260B bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of SKF NRT260B 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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