NU306ET7

Manufacturer-published dimensions, load ratings, thermal speed rating, and limiting speeds.

Bore d30 mmOutside diameter D72 mmWidth B19 mmDynamic rating Cr65,500 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog

Designation: NU306ET7
Bore d: 30 mm
Outside diameter D: 72 mm
Width B: 19 mm
Minimum corner radius r: 1.1 mm
Minimum corner radius r1: 1.1 mm
Fw: 40.5 mm
Ew: Not applicable / not published
Basic dynamic load rating Cr: 65,500 N
Basic static load rating C0r: 50,000 N
Thermal speed rating — oil bath: 9,500 rpm
Mechanical speed — forced oil: 13,000 rpm
Limiting speed — grease: 8,500 rpm
Limiting speed — oil: 10,000 rpm
Published row text: NU306ET7 | 30 | 72 | 19 | 1.1 | 1.1 | 40.5 | | 65500 | 50000 | 9500 | 13000 | 8500 | 10000

Verification boundary

Do not infer interchange

Bearing designConfirm N/NU/NJ/NUP/NF flange arrangement and exact suffixes.

Fit and clearanceVerify shaft/housing tolerances, internal clearance, shoulders, fillets, and mounting method.

DutyCheck speed, lubrication, temperature, radial/axial load handling, contamination, and required life.

Current product dataConfirm the exact designation on the linked NSK product page before ordering.

Related NSK bearings