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NTN 4T-LL639249/LL63#01: bore d 7.7500 in, outside diameter D 9.5000 in, width W 0.9375 in, drawn to scaled 7.7500 inD 9.5000 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 4T-LL639249/LL63#01 inch tapered roller bearing

NTN 4T-LL639249/LL63#01 inch tapered roller bearing: bore d 7.7500 in (196.850 mm), outside diameter D 9.5000 in (241.300 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 d7.7500 in (196.850 mm)
Outside diameter D9.5000 in (241.300 mm)
Width0.9375 in (23.812 mm)
Basic dynamic load rating Cr160.00 kN
Basic static load rating C0r330.00 kN

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

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