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NTN 39590/39521: bore d 2.6250 in, outside diameter D 4.4375 in, width W 1.1875 in, drawn to scaled 2.6250 inD 4.4375 inW 1.1875 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 39590/39521 inch tapered roller bearing

NTN 39590/39521 inch tapered roller bearing: bore d 2.6250 in (66.675 mm), outside diameter D 4.4375 in (112.713 mm), width 1.1875 in (30.163 mm).

Inch tapered roller bearings · All NTN part numbers

Rendering of a tapered roller bearing with the outer cup separated from the cone and its ring of tapered rollers
A typical inch tapered roller bearing — not necessarily this part. Photo: “Tapered-roller-bearing din720 ex” by Silberwolf, CC BY 2.5, via Wikimedia Commons (resized).

Specifications

Bore d2.6250 in (66.675 mm)
Outside diameter D4.4375 in (112.713 mm)
Width1.1875 in (30.163 mm)
Basic dynamic load rating Cr153.00 kN
Basic static load rating C0r223.00 kN

All specifications: Verified printed in NTN’s own product listing

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