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NTN 2788/2720: bore d 1.5000 in, outside diameter D 3.0000 in, width W 0.9360 in, drawn to scaled 1.5000 inD 3.0000 inW 0.9360 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 2788/2720 inch tapered roller bearing

NTN 2788/2720 inch tapered roller bearing: bore d 1.5000 in (38.100 mm), outside diameter D 3.0000 in (76.200 mm), width 0.9360 in (23.775 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 d1.5000 in (38.100 mm)
Outside diameter D3.0000 in (76.200 mm)
Width0.9360 in (23.775 mm)
Basic dynamic load rating Cr73.00 kN
Basic static load rating C0r90.50 kN

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

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