Tapered roller bearing 31324JR

Bearing number : 31324JR

Size (mm) : 120x260x68

Brand : KOYO

Bore Diameter (mm) : 120

Outer Diameter (mm) : 260

Width (mm) : 68

Bearing dimensions and specification in KOYO catalogue:

d - 120 mm

D - 260 mm

T - 68 mm

B - 62 mm

C - 42 mm

a - 81,9 mm

r min. - 4 mm

r1 min. - 3 mm

r2 min. - 3 mm

da min. - 138 mm

da max - 145 mm

Da min - 221 mm

Da max. - 246 mm

db max. - 145 mm

Db min. - 244 mm

ra max. - 3 mm

rb max. - 2,5 mm

Db - 244 mm

Weight - 15,4 Kg

Basic dynamic load rating (C) - 526 kN

Basic static load rating (C0) - 665 kN

(Grease) Lubrication Speed - 1300 r/min

(Oil) Lubrication Speed - 1800 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

Tags :  KOYO , 120x260x68