SKF NRT260B bearing

Bearing NRT 260 B Bearing NRT 260 B

SKF NRT260B bearing, Size: 260x385x55. SKF NRT260B are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

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

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