7248 KOYO bearing

Bearing 7248

Angular contact ball bearing 7248

Bearing number : 7248

Size (mm) : 240x440x72

Brand : KOYO

Bore Diameter (mm) : 240

Outer Diameter (mm) : 440

Width (mm) : 72

Bearing dimensions and specification in KOYO catalogue:

d - 240 mm

D - 440 mm

B - 72 mm

C - 72 mm

Angle (α) - 30 °

a - 134.2 mm

r min. - 4 mm

r1 min. - 1.5 mm

da min. - 258 mm

Da max. - 422 mm

ra max. - 3 mm

Weight - 51.8 Kg

(Grease) Lubrication Speed - 1500 r/min

(Oil) Lubrication Speed - 1800 r/min

Tags :  KOYO , 240x440x72

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