SKF NRT580A bearing

580x750x90

ensure the delivery of the bearings through the German blockade. In relation to price increases for other exports, prices for ball bearings were time‐dependent on the position of the acquiring country. From an overall perspective, the United Kingdom received a discount which Germany did not share.



Axial-radial cylindrical roller bearings, super-precision NRT 580 A

Bearing number : NRT 580 A

Size (mm) : 580x750x90

Brand : SKF

Bore Diameter (mm) : 580

Outer Diameter (mm) : 750

Width (mm) : 90

Bearing dimensions and specification in SKF catalogue:

d - 580 mm

D - 750 mm

H - 90 mm

d1 - 700 mm

C - 30 mm

H1 - 60 mm

J - 610 mm

J1 - 720 mm

H - 11.4 mm

N1 - 18 mm

N2 - 11.4 mm

a - 11 mm

r1 - min. - 1 mm

r2 - min. - 1 mm

Basic dynamic load rating, radial direction - C - 229 kN

Basic static load rating, radial direction - C0 - 965 kN

Basic dynamic load rating, axial direction - C - 285 kN

Basic static load rating, axial direction - C0 - 3550 kN

Limiting speed for grease lubrication - 60 r/min

Limiting speed for oil lubrication - 120 mm/min

Axial Preload - 25 N

Axial unloading force - 55 kN

Frictional moment - CRL - 140 N·m

axial stiffness - 43.5 N/micron

radial stiffness - 18.6 N/micron

Moment stiffness - 1838000 kN·m/mrad

Mass bearing - 89 kg

Guideline diameter - 1250 mm

Size - G - M12

Number of bolts - 6

Angle between bolts - 60 °

Size bolts - M10

Pitch - &alfa; - 7.5 °

Number of bolts - 42

Number of bolts omitted at removal thread position - 6, 60° apart

Size bolts - M10

Pitch - &alfa; - 7.5 °

Number of bolts - 46

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

Tightening torque - 68 N·m

Size - M10

Number of bolts - 2

Bearing NRT 580 A Bearing NRT 580 A

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