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NTN 30317: bore d 85.000 mm, outside diameter D 180.000 mm, width T 44.500 mm, drawn to scaled 85.000 mmD 180.000 mmT 44.500 mm
Drawing: BearingLookup, to the printed bore d, outside diameter D and width T cited in the specifications below; internal detail is illustrative.

NTN 30317 metric tapered roller bearing

NTN 30317 metric tapered roller bearing: bore d 85.000 mm (3.3465 in), outside diameter D 180.000 mm (7.0866 in), width 44.500 mm (1.7520 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 d85.000 mm (3.3465 in)
Outside diameter D180.000 mm (7.0866 in)
Width44.500 mm (1.7520 in)
Basic dynamic load rating Cr305.00 kN
Basic static load rating C0r365.00 kN

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

Same size, other makers and types (85 × 180 × 44.5 mm)

PartManufacturerType
30317DKoyometric tapered roller bearing
30317DJRKoyometric tapered roller bearing
30317JRKoyometric tapered roller bearing
30317RKoyometric 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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