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NTN 30211U: bore d 55.000 mm, outside diameter D 100.000 mm, width T 22.750 mm, drawn to scaled 55.000 mmD 100.000 mmT 22.750 mm
Drawing: BearingLookup, to the printed bore d, outside diameter D and width T cited in the specifications below; internal detail is illustrative.

NTN 30211U metric tapered roller bearing

NTN 30211U metric tapered roller bearing: bore d 55.000 mm (2.1654 in), outside diameter D 100.000 mm (3.9370 in), width 22.750 mm (0.8957 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 d55.000 mm (2.1654 in)
Outside diameter D100.000 mm (3.9370 in)
Width22.750 mm (0.8957 in)
Basic dynamic load rating Cr93.00 kN
Basic static load rating C0r111.00 kN

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

Same size, other makers and types (55 × 100 × 22.75 mm)

PartManufacturerType
30211CRKoyometric tapered roller bearing
30211JRKoyometric tapered roller bearing

These match this part on the dimensions each maker prints. A size match is not a stated interchange: check the other specifications before substituting.

Related parts

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