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NTN 15103S/15243: bore d 1.0300 in, outside diameter D 2.4375 in, width W 0.7500 in, drawn to scaled 1.0300 inD 2.4375 inW 0.7500 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 15103S/15243 inch tapered roller bearing

NTN 15103S/15243 inch tapered roller bearing: bore d 1.0300 in (26.162 mm), outside diameter D 2.4375 in (61.913 mm), width 0.7500 in (19.050 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 d1.0300 in (26.162 mm)
Outside diameter D2.4375 in (61.913 mm)
Width0.7500 in (19.050 mm)
Basic dynamic load rating Cr46.50 kN
Basic static load rating C0r54.00 kN

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

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