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NTN 1380/1329: bore d 0.8750 in, outside diameter D 2.1250 in, width W 0.7625 in, drawn to scaled 0.8750 inD 2.1250 inW 0.7625 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 1380/1329 inch tapered roller bearing

NTN 1380/1329 inch tapered roller bearing: bore d 0.8750 in (22.225 mm), outside diameter D 2.1250 in (53.975 mm), width 0.7625 in (19.367 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 d0.8750 in (22.225 mm)
Outside diameter D2.1250 in (53.975 mm)
Width0.7625 in (19.367 mm)
Basic dynamic load rating Cr40.50 kN
Basic static load rating C0r43.00 kN

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

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