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NTN 539A/532A: bore d 2.1250 in, outside diameter D 4.3750 in, width W 1.5000 in, drawn to scaled 2.1250 inD 4.3750 inW 1.5000 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 539A/532A inch tapered roller bearing

NTN 539A/532A inch tapered roller bearing: bore d 2.1250 in (53.975 mm), outside diameter D 4.3750 in (111.125 mm), width 1.5000 in (38.100 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 D4.3750 in (111.125 mm)
Width1.5000 in (38.100 mm)
Basic dynamic load rating Cr154.00 kN
Basic static load rating C0r201.00 kN

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

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