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NTN 39250/39412: bore d 2.5000 in, outside diameter D 4.1250 in, width W 0.8438 in, drawn to scaled 2.5000 inD 4.1250 inW 0.8438 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 39250/39412 inch tapered roller bearing

NTN 39250/39412 inch tapered roller bearing: bore d 2.5000 in (63.500 mm), outside diameter D 4.1250 in (104.775 mm), width 0.8438 in (21.433 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 d2.5000 in (63.500 mm)
Outside diameter D4.1250 in (104.775 mm)
Width0.8438 in (21.433 mm)
Basic dynamic load rating Cr91.50 kN
Basic static load rating C0r123.00 kN

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

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