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NTN 478/472X: bore d 2.5591 in, outside diameter D 4.8750 in, width W 1.1875 in, drawn to scaled 2.5591 inD 4.8750 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 478/472X inch tapered roller bearing

NTN 478/472X inch tapered roller bearing: bore d 2.5591 in (65.001 mm), outside diameter D 4.8750 in (123.825 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 d2.5591 in (65.001 mm)
Outside diameter D4.8750 in (123.825 mm)
Width1.1875 in (30.163 mm)
Basic dynamic load rating Cr130.00 kN
Basic static load rating C0r184.00 kN

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

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