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NTN 22780/22720: bore d 1.6870 in, outside diameter D 3.2500 in, width W 1.0313 in, drawn to scaled 1.6870 inD 3.2500 inW 1.0313 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 22780/22720 inch tapered roller bearing

NTN 22780/22720 inch tapered roller bearing: bore d 1.6870 in (42.862 mm), outside diameter D 3.2500 in (82.550 mm), width 1.0313 in (26.195 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 d1.6870 in (42.862 mm)
Outside diameter D3.2500 in (82.550 mm)
Width1.0313 in (26.195 mm)
Basic dynamic load rating Cr75.50 kN
Basic static load rating C0r97.00 kN

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

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