Bearing 4T-30208 (NTN)

Tapered roller bearings 4T-30208

Bearing number : 4T-30208

Size (mm) : 40x80x19.75

Brand : NTN

Bore Diameter (mm) : 40

Outer Diameter (mm) : 80

Width (mm) : 19,75

Bearing dimensions and specification in NTN catalogue:

d - 40 mm

D - 80 mm

T - 19,75 mm

B - 18 mm

C - 16 mm

ra1 max. - 1,5 mm

a - 16,5 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 48,5 mm

Da min - 69 mm

Da max. - 71,5 mm

db max. - 49 mm

Db min. - 75 mm

ra max. - 1,5 mm

Sa - 3 mm

Sb - 3,5 mm

Weight - 0,435 Kg

Basic dynamic load rating (C) - 61 kN

Basic static load rating (C0) - 67 kN

(Grease) Lubrication Speed - 4 900 r/min

(Oil) Lubrication Speed - 6 600 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,88

Calculation factor (Y2) - 1,6

Designation

Bore Dia, mm

Outer Dia, mm: