NJ208ET7

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

Bore d40 mmOutside diameter D80 mmWidth B18 mmDynamic rating Cr68,500 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog

Designation: NJ208ET7
Bore d: 40 mm
Outside diameter D: 80 mm
Width B: 18 mm
Minimum corner radius r: 1.1 mm
Minimum corner radius r1: 1.1 mm
Fw: 49.5 mm
Ew: Not applicable / not published
Basic dynamic load rating Cr: 68,500 N
Basic static load rating C0r: 55,500 N
Thermal speed rating — oil bath: 9,000 rpm
Mechanical speed — forced oil: 11,000 rpm
Limiting speed — grease: 7,500 rpm
Limiting speed — oil: 9,000 rpm
Published row text: NJ208ET7 | 40 | 80 | 18 | 1.1 | 1.1 | 49.5 | | 68500 | 55500 | 9000 | 11000 | 7500 | 9000

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.

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