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NTN 497/493: bore d 3.3750 in, outside diameter D 5.3750 in, width W 1.1875 in, drawn to scaled 3.3750 inD 5.3750 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 497/493 inch tapered roller bearing

NTN 497/493 inch tapered roller bearing: bore d 3.3750 in (85.725 mm), outside diameter D 5.3750 in (136.525 mm), width 1.1875 in (30.162 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 d3.3750 in (85.725 mm)
Outside diameter D5.3750 in (136.525 mm)
Width1.1875 in (30.162 mm)
Basic dynamic load rating Cr140.00 kN
Basic static load rating C0r213.00 kN

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

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