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NTN 6306LU: bore d 30.000 mm, outside diameter D 72.000 mm, width B 19.000 mm, drawn to scaled 30.000 mmD 72.000 mmB 19.000 mm
Drawing: BearingLookup, to the printed bore d, outside diameter D and width B cited in the specifications below; internal detail is illustrative; seals or shields, if any, are not shown.

NTN 6306LU deep groove ball bearing

NTN 6306LU deep groove ball bearing: bore d 30.000 mm (1.1810 in), outside diameter D 72.000 mm (2.8346 in), width 19.000 mm (0.7480 in).

Deep groove ball bearings · All NTN part numbers

Open deep groove ball bearing with its steel balls visible
A typical deep groove ball bearing — not necessarily this part. Photo: “1984 deep groove ball bearing UR 6304 made in Czechoslovakia by ZKL” by R. Henrik Nilsson, CC BY 4.0, via Wikimedia Commons (resized).

Specifications

Bore d30.000 mm (1.1810 in)
Outside diameter D72.000 mm (2.8346 in)
Width19.000 mm (0.7480 in)
Basic dynamic load rating Cr29.50 kN
Basic static load rating C0r15.00 kN

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

Same size, other makers and types (30 × 72 × 19 mm)

PartManufacturerType
7306Koyoangular contact ball bearing
7306BKoyoangular contact ball bearing
7306CKoyoangular contact ball bearing
N306Koyocylindrical roller bearing
NF306Koyocylindrical roller bearing
NJ306RKoyocylindrical roller bearing
NU306RKoyocylindrical roller bearing
NUP306RKoyocylindrical roller bearing
6306 2RDKoyodeep groove ball bearing
6306 2RSKoyodeep groove ball bearing
6306 2RUKoyodeep groove ball bearing
6306 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. 8 more share this size.

Related parts

Sources