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NTN 455/452: bore d 2.0000 in, outside diameter D 4.2500 in, width W 1.2818 in, drawn to scaled 2.0000 inD 4.2500 inW 1.2818 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 455/452 inch tapered roller bearing

NTN 455/452 inch tapered roller bearing: bore d 2.0000 in (50.800 mm), outside diameter D 4.2500 in (107.950 mm), width 1.2818 in (32.558 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 d2.0000 in (50.800 mm)
Outside diameter D4.2500 in (107.950 mm)
Width1.2818 in (32.558 mm)
Basic dynamic load rating Cr123.00 kN
Basic static load rating C0r163.00 kN

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

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