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NTN 3777/3730: bore d 1.8125 in, outside diameter D 3.6718 in, width W 1.1875 in, drawn to scaled 1.8125 inD 3.6718 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 3777/3730 inch tapered roller bearing

NTN 3777/3730 inch tapered roller bearing: bore d 1.8125 in (46.038 mm), outside diameter D 3.6718 in (93.264 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 d1.8125 in (46.038 mm)
Outside diameter D3.6718 in (93.264 mm)
Width1.1875 in (30.163 mm)
Basic dynamic load rating Cr109.00 kN
Basic static load rating C0r148.00 kN

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

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