Tapered roller bearings 344A/332

Bearing number : 344A/332

Size (mm) : 40x80x21

Brand : NSK

Bore Diameter (mm) : 40

Outer Diameter (mm) : 80

Width (mm) : 21

Bearing dimensions and specification in NSK catalogue:

d - 40 mm

D - 80 mm

T - 21 mm

B - 22,403 mm

C - 17,826 mm

ra1 max. - 1,3 mm

a - 14,5 mm

r min. - 0,8 mm

r1 min. - 1,3 mm

Da - 73 mm

db - 45,5 mm

ra max. - 0,8 mm

da - 46 mm

Db - 75 mm

Weight - 0,485 Kg

Basic dynamic load rating (C) - 68,5 kN

Basic static load rating (C0) - 75,5 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 6300 r/min

Calculation factor (e) - 0,27

Calculation factor (Y0) - 1,2

Calculation factor (Y1) - 2,2