Bearing BT1B 328068/HA4 (SKF)

Tapered roller bearings, single row BT1B 328068/HA4

Bearing number : BT1B 328068/HA4

Size (mm) : 711,2x939,8x120,65

Brand : SKF

Bore Diameter (mm) : 711,2

Outer Diameter (mm) : 939,8

Width (mm) : 120,65

Bearing dimensions and specification in SKF catalogue:

d - 711.2 mm

D - 939.8 mm

T - 120.65 mm

d₁ - - 829.431 mm

B - 115.3 mm

C - 73.25 mm

r_1,2 - min. - 6.4 mm

r_3,4 - min. - 6.4 mm

a - 254 mm

d_a - max. - 758 mm

d_b - min. - 743 mm

D_a - min. - 850 mm

D_a - max. - 908 mm

D_b - min. - 912 mm

C_a - min. - 17 mm

C_b - min. - 47 mm

r_a - max. - 6 mm

r_b - max. - 6 mm

Basic dynamic load rating - C - 2640 kN

Basic static load rating - C₀ - 6200 kN

Fatigue load limit - P_u - 425 kN

Reference speed - 340 r/min

Limiting speed - 480 r/min

Calculation factor - e - 0.75

Calculation factor - Y - 0.8

Calculation factor - Y₀ - 0.45

Mass bearing - 206 kg

Designation

Bore Dia, mm

Outer Dia, mm: