NTN NK45/20R IR40×45×20 bearing

40x55x20

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Needle roller bearings NK45/20R+IR40×45×20

Bearing number : NK45/20R+IR40×45×20

Size (mm) : 40x55x20

Brand : NTN

Bore Diameter (mm) : 40

Outer Diameter (mm) : 55

Width (mm) : 20

Bearing dimensions and specification in NTN catalogue:

d - 40 mm

F - 45 mm

D - 55 mm

B - 20 mm

C - 20 mm

r min. - 0,3 mm

s - 0,5 mm

da min. - 42 mm

Da max. - 53 mm

ra max. - 0,3 mm

Weight - 0,143 Kg

Basic dynamic load rating (C) - 28 kN

Basic static load rating (C0) - 52,5 kN

(Grease) Lubrication Speed - 6 000 r/min

(Oil) Lubrication Speed - 9 000 r/min

Bearing NK45/20R+IR40×45×20

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