Bearing NN 3021 KTN9/SP (SKF)

Cylindrical roller bearings, double row, super-precision NN 3021 KTN9/SP

Bearing number : NN 3021 KTN9/SP

Size (mm) : 105x160x41

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 160

Width (mm) : 41

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 160 mm

B - 41 mm

d₁ - 125.2 mm

E - 146 mm

r_1,2 - min. - 2 mm

r_3,4 - min. - 1.1 mm

s - 2 mm

d_a - min. - 115 mm

D_a - min. - 148 mm

D_a - max. - 150 mm

r_a - max. - 2 mm

d_n - 144.1 mm

Basic dynamic load rating - C - 190 kN

Basic static load rating - C₀ - 305 kN

Fatigue load limit - P_u - 36 kN

Limiting speed for grease lubrication - 5300 r/min

Limiting speed for oil lubrication - 6000 mm/min

G_ref - 17 cm

Static radial stiffness (guideline value) - 2330 N/micron

Mass bearing - 2.7 kg

Designation

Bore Dia, mm

Outer Dia, mm: