NTN QJ318 bearing

90x190x43

Determining proper shaft and housing fits is critical to ensure long bearing life. The fit, or amount of interference that exists between mating components (such as the shaft and bearing bore), can be devised into three categories: loose (slip), transition, and press (tight).



Angular contact ball bearings QJ318

Bearing number : QJ318

Size (mm) : 90x190x43

Brand : NTN

Bore Diameter (mm) : 90

Outer Diameter (mm) : 190

Width (mm) : 43

Bearing dimensions and specification in NTN catalogue:

d - 90 mm

D - 190 mm

B - 43 mm

C - 43 mm

a - 81 mm

r min. - 3 mm

da min. - 104 mm

Da max. - 176 mm

ra max. - 2,5 mm

Weight - 6,31 Kg

Basic dynamic load rating (C) - 212 kN

Basic static load rating (C0) - 410 kN

(Grease) Lubrication Speed - 2 800 r/min

(Oil) Lubrication Speed - 3 800 r/min

Bearing QJ318

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