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Bearing NRT 200 B (SKF)

Axial-radial cylindrical roller bearings, super-precision NRT 200 B

Bearing number : NRT 200 B

Size (mm) : 200x300x45

Brand : SKF

Bore Diameter (mm) : 200

Outer Diameter (mm) : 300

Width (mm) : 45

Bearing dimensions and specification in SKF catalogue:

d - 200 mm

D - 300 mm

H - 45 mm

d₁ - 274 mm

C - 15 mm

H₁ - 30 mm

J - 215 mm

J₁ - 285 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 - 93.5 kN

Basic static load rating, radial direction - C₀ - 270 kN

Basic dynamic load rating, axial direction - C - 85 kN

Basic static load rating, axial direction - C₀ - 630 kN

Limiting speed for grease lubrication - 170 r/min

Limiting speed for oil lubrication - 340 mm/min

Axial Preload - 2.9 N

Axial unloading force - 6.2 kN

Frictional moment - C_RL - 14 N·m

axial stiffness - 12 N/micron

radial stiffness - 6.5 N/micron

Moment stiffness - 75000 kN·m/mrad

Mass bearing - 9.5 kg

Guideline diameter - 500 mm

Size - G - M8

Number of bolts - 3

Angle between bolts - 120 °

Size bolts - M6

Pitch - &alfa; - 7.5 °

Number of bolts - 45

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

Size bolts - M6

Pitch - &alfa; - 7.5 °

Number of bolts - 46

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

Tightening torque - 14 N·m

Size - M6

Number of bolts - 2

Tags :  SKF , 200x300x45