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Bearing NRT 120 B Bearing NRT 120 B

SKF NRT120B bearing

Details

Axial-radial cylindrical roller bearings, super-precision NRT 120 B

Bearing number : NRT 120 B

Size (mm) : 120x210x40

Brand : SKF

Bore Diameter (mm) : 120

Outer Diameter (mm) : 210

Width (mm) : 40

Bearing dimensions and specification in SKF catalogue:

d - 120 mm

D - 210 mm

H - 40 mm

d1 - 184 mm

C - 12 mm

H1 - 26 mm

J - 135 mm

J1 - 195 mm

H - 7 mm

N1 - 11 mm

N2 - 7 mm

a - 6.2 mm

r1 - min. - 0.6 mm

r2 - min. - 0.3 mm

Basic dynamic load rating, radial direction - C - 64.4 kN

Basic static load rating, radial direction - C0 - 140 kN

Basic dynamic load rating, axial direction - C - 72 kN

Basic static load rating, axial direction - C0 - 450 kN

Limiting speed for grease lubrication - 230 r/min

Limiting speed for oil lubrication - 460 mm/min

Axial Preload - 2 N

Axial unloading force - 4.4 kN

Frictional moment - CRL - 6 N·m

axial stiffness - 8.5 N/micron

radial stiffness - 4.5 N/micron

Moment stiffness - 23000 kN·m/mrad

Mass bearing - 4.8 kg

Guideline diameter - 315 mm

Size - G - M8

Number of bolts - 3

Angle between bolts - 120 °

Size bolts - M6

Pitch - &alfa; - 15 °

Number of bolts - 21

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

Size bolts - M6

Pitch - &alfa; - 15 °

Number of bolts - 22

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

Tightening torque - 14 N·m

Size - M6

Number of bolts - 2

Bearing NRT 120 B Bearing NRT 120 B

Online Message

SKF NRT120B bearing Company information

SKF NRT120B bearing are widely used in industrial drive, agriculture, compressors, motors and generators, construction, industrial fan, industrial transmission and other fields. SKF NRT120B bearing can ensure high quality for more than 80% raw material of SKF NRT120B bearing provided by the steel plant.Explorer series bearing of SKF NRT120B bearing are better than any brand bearings currently in bearing performance , lifetime, design, and the use of performance. Explorer series bearings of SKF NRT120B 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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