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NTN 2689/2631: bore d 1.1250 in, outside diameter D 2.6150 in, width W 0.9375 in, drawn to scaled 1.1250 inD 2.6150 inW 0.9375 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 2689/2631 inch tapered roller bearing

NTN 2689/2631 inch tapered roller bearing: bore d 1.1250 in (28.575 mm), outside diameter D 2.6150 in (66.421 mm), width 0.9375 in (23.812 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 d1.1250 in (28.575 mm)
Outside diameter D2.6150 in (66.421 mm)
Width0.9375 in (23.812 mm)
Basic dynamic load rating Cr64.50 kN
Basic static load rating C0r72.50 kN

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

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