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NTN 31328X: bore d 140.000 mm, outside diameter D 300.000 mm, width T 70.000 mm, drawn to scaled 140.000 mmD 300.000 mmT 70.000 mm
Drawing: BearingLookup, to the printed bore d, outside diameter D and width T cited in the specifications below; internal detail is illustrative.

NTN 31328X metric tapered roller bearing

NTN 31328X metric tapered roller bearing: bore d 140.000 mm (5.5118 in), outside diameter D 300.000 mm (11.8110 in), width 70.000 mm (2.7559 in).

Metric tapered roller bearings · All NTN part numbers

Cutaway rendering of a tapered roller bearing with the cup pulled away to show the tapered rollers on the cone
A typical metric tapered roller bearing — not necessarily this part. Photo: “Tapered-roller-bearing din720 120-ex” by Silberwolf, CC BY 2.5, via Wikimedia Commons (resized).

Specifications

Bore d140.000 mm (5.5118 in)
Outside diameter D300.000 mm (11.8110 in)
Width70.000 mm (2.7559 in)
Basic dynamic load rating Cr685.00 kN
Basic static load rating C0r905.00 kN

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

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