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NTN 13889/13830: bore d 1.5000 in, outside diameter D 2.5000 in, width W 0.5000 in, drawn to scaled 1.5000 inD 2.5000 inW 0.5000 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 13889/13830 inch tapered roller bearing

NTN 13889/13830 inch tapered roller bearing: bore d 1.5000 in (38.100 mm), outside diameter D 2.5000 in (63.500 mm), width 0.5000 in (12.700 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 D2.5000 in (63.500 mm)
Width0.5000 in (12.700 mm)
Basic dynamic load rating Cr25.90 kN
Basic static load rating C0r33.50 kN

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

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