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NTN 339/332: bore d 1.3780 in, outside diameter D 3.1496 in, width W 0.8268 in, drawn to scaled 1.3780 inD 3.1496 inW 0.8268 in
Drawing: BearingLookup, to the printed bore d, outside diameter D and width W cited in the specifications below; internal detail is illustrative.

NTN 339/332 inch tapered roller bearing

NTN 339/332 inch tapered roller bearing: bore d 1.3780 in (35.000 mm), outside diameter D 3.1496 in (80.000 mm), width 0.8268 in (21.000 mm).

Inch tapered roller bearings · All NTN part numbers

Rendering of a tapered roller bearing with the outer cup separated from the cone and its ring of tapered rollers
A typical inch tapered roller bearing — not necessarily this part. Photo: “Tapered-roller-bearing din720 ex” by Silberwolf, CC BY 2.5, via Wikimedia Commons (resized).

Specifications

Bore d1.3780 in (35.000 mm)
Outside diameter D3.1496 in (80.000 mm)
Width0.8268 in (21.000 mm)
Basic dynamic load rating Cr68.00 kN
Basic static load rating C0r75.00 kN

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

Same size, other makers and types (35 × 80 × 21 mm)

PartManufacturerType
7307Koyoangular contact ball bearing
7307BKoyoangular contact ball bearing
7307CKoyoangular contact ball bearing
N307Koyocylindrical roller bearing
NF307Koyocylindrical roller bearing
NJ307RKoyocylindrical roller bearing
NU307RKoyocylindrical roller bearing
NUP307RKoyocylindrical roller bearing
6307 2RDKoyodeep groove ball bearing
6307 2RSKoyodeep groove ball bearing
6307 2RUKoyodeep groove ball bearing
6307 ZZKoyodeep groove ball 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. 14 more share this size.

Related parts

Sources