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NTN 30210: bore d 50.000 mm, outside diameter D 90.000 mm, width T 21.750 mm, drawn to scaled 50.000 mmD 90.000 mmT 21.750 mm
Drawing: BearingLookup, to the printed bore d, outside diameter D and width T cited in the specifications below; internal detail is illustrative.

NTN 30210 metric tapered roller bearing

NTN 30210 metric tapered roller bearing: bore d 50.000 mm (1.9685 in), outside diameter D 90.000 mm (3.5433 in), width 21.750 mm (0.8563 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 d50.000 mm (1.9685 in)
Outside diameter D90.000 mm (3.5433 in)
Width21.750 mm (0.8563 in)
Basic dynamic load rating Cr77.00 kN
Basic static load rating C0r93.00 kN

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

Same size, other makers and types (50 × 90 × 21.75 mm)

PartManufacturerType
30210CRKoyometric tapered roller bearing
30210JRKoyometric 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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