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NTN 385X/383A: bore d 2.1654 in, outside diameter D 3.9370 in, width W 0.8268 in, drawn to scaled 2.1654 inD 3.9370 inW 0.8268 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 385X/383A inch tapered roller bearing

NTN 385X/383A inch tapered roller bearing: bore d 2.1654 in (55.001 mm), outside diameter D 3.9370 in (100.000 mm), width 0.8268 in (21.000 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 d2.1654 in (55.001 mm)
Outside diameter D3.9370 in (100.000 mm)
Width0.8268 in (21.000 mm)
Basic dynamic load rating Cr82.50 kN
Basic static load rating C0r105.00 kN

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

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