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NTN 55197C/55437: bore d 1.6968 in, outside diameter D 4.3750 in, width W 1.1875 in, drawn to scaled 1.6968 inD 4.3750 inW 1.1875 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 55197C/55437 inch tapered roller bearing

NTN 55197C/55437 inch tapered roller bearing: bore d 1.6968 in (43.099 mm), outside diameter D 4.3750 in (111.125 mm), width 1.1875 in (30.162 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 d1.6968 in (43.099 mm)
Outside diameter D4.3750 in (111.125 mm)
Width1.1875 in (30.162 mm)
Basic dynamic load rating Cr115.00 kN
Basic static load rating C0r157.00 kN

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

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