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NTN 38800/38820: bore d 10.3750 in, outside diameter D 12.8125 in, width W 1.1250 in, drawn to scaled 10.3750 inD 12.8125 inW 1.1250 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 38800/38820 inch tapered roller bearing

NTN 38800/38820 inch tapered roller bearing: bore d 10.3750 in (263.525 mm), outside diameter D 12.8125 in (325.438 mm), width 1.1250 in (28.575 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 d10.3750 in (263.525 mm)
Outside diameter D12.8125 in (325.438 mm)
Width1.1250 in (28.575 mm)
Basic dynamic load rating Cr226.00 kN
Basic static load rating C0r570.00 kN

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

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