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NTN 47681/47623A: bore d 3.1875 in, outside diameter D 5.3750 in, width W 1.7500 in, drawn to scaled 3.1875 inD 5.3750 inW 1.7500 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 47681/47623A inch tapered roller bearing

NTN 47681/47623A inch tapered roller bearing: bore d 3.1875 in (80.962 mm), outside diameter D 5.3750 in (136.525 mm), width 1.7500 in (44.450 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 d3.1875 in (80.962 mm)
Outside diameter D5.3750 in (136.525 mm)
Width1.7500 in (44.450 mm)
Basic dynamic load rating Cr171.00 kN
Basic static load rating C0r274.00 kN

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

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