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NTN 5578/5535: bore d 2.1250 in, outside diameter D 4.8125 in, width W 1.7188 in, drawn to scaled 2.1250 inD 4.8125 inW 1.7188 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 5578/5535 inch tapered roller bearing

NTN 5578/5535 inch tapered roller bearing: bore d 2.1250 in (53.975 mm), outside diameter D 4.8125 in (122.238 mm), width 1.7188 in (43.658 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 d2.1250 in (53.975 mm)
Outside diameter D4.8125 in (122.238 mm)
Width1.7188 in (43.658 mm)
Basic dynamic load rating Cr210.00 kN
Basic static load rating C0r320.00 kN

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

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