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NTN CR-0643: bore d 30.000 mm, outside diameter D 52.000 mm, width T 16.000 mm, drawn to scaled 30.000 mmD 52.000 mmT 16.000 mm
Drawing: BearingLookup, to the printed bore d, outside diameter D and width T cited in the specifications below; internal detail is illustrative.

NTN CR-0643 metric tapered roller bearing

NTN CR-0643 metric tapered roller bearing: bore d 30.000 mm (1.1811 in), outside diameter D 52.000 mm (2.0472 in), width 16.000 mm (0.6299 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 d30.000 mm (1.1811 in)
Outside diameter D52.000 mm (2.0472 in)
Width16.000 mm (0.6299 in)
Basic dynamic load rating Cr26.40 kN
Basic static load rating C0r34.50 kN

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

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