SKF NRT80B bearing

80x146x35

“SKF South Africa solicited support from the SKF mining segment team and we were consequently able to reduce the delivery time from SKF Dalian factory in China by 1.5 months to the satisfaction ...



Axial-radial cylindrical roller bearings, super-precision NRT 80 B

Bearing number : NRT 80 B

Size (mm) : 80x146x35

Brand : SKF

Bore Diameter (mm) : 80

Outer Diameter (mm) : 146

Width (mm) : 35

Bearing dimensions and specification in SKF catalogue:

d - 80 mm

D - 146 mm

H - 35 mm

d1 - 130 mm

C - 12 mm

H1 - 23.35 mm

J - 92 mm

J1 - 138 mm

H - 5.6 mm

N1 - 10 mm

N2 - 4.6 mm

a - 4 mm

r1 - min. - 0.3 mm

r2 - min. - 0.3 mm

Basic dynamic load rating, radial direction - C - 55 kN

Basic static load rating, radial direction - C0 - 102 kN

Basic dynamic load rating, axial direction - C - 37.5 kN

Basic static load rating, axial direction - C0 - 200 kN

Limiting speed for grease lubrication - 350 r/min

Limiting speed for oil lubrication - 700 mm/min

Axial Preload - 1.3 N

Axial unloading force - 2.8 kN

Frictional moment - CRL - 3 N·m

axial stiffness - 5 N/micron

radial stiffness - 3.1 N/micron

Moment stiffness - 7000 kN·m/mrad

Mass bearing - 2.3 kg

Guideline diameter - 200 mm

Size - G - M5

Number of bolts - 3

Angle between bolts - 120 °

Size bolts - M4

Pitch - &alfa; - 30 °

Number of bolts - 9

Tightening torque - 4.5 N·m

Size bolts - M5

Pitch - &alfa; - 30 °

Number of bolts - 10

Tightening torque - 8.5 N·m

Size - M5

Number of bolts - 2

Bearing NRT 80 B Bearing NRT 80 B

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