Bearing BT4B 328345/HA1 (SKF)

Tapered roller bearings, four-row, TQI configuration BT4B 328345/HA1

Bearing number : BT4B 328345/HA1

Size (mm) : 279,4x407x320

Brand : SKF

Bore Diameter (mm) : 279,4

Outer Diameter (mm) : 407

Width (mm) : 320

Bearing dimensions and specification in SKF catalogue:

d - 279.4 mm

D - 407 mm

B - 320 mm

T - 288 mm

r_1,2 - min. - 3.5 mm

r_3,4 - min. - 1.5 mm

Basic dynamic load rating - C - 3580 kN

Basic static load rating - C₀ - 9000 kN

Fatigue load limit - P_u - 765 kN

Comparative radial load rating - C_F - 950 kN

Comparative axial load rating - C_Fa - 159 kN

Thrust factor - K - 1.73

Calculation factor - e - 0.33

Calculation factor - Y₁ - 2

Calculation factor - Y₂ - 3

Calculation factor - Y₀ - 2

Mass bearing - 140 kg

Variants - TQI

Designation

Bore Dia, mm

Outer Dia, mm: