NF310W

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

Bore d50 mmOutside diameter D110 mmWidth B27 mmDynamic rating Cr107,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK online catalog

Designation: NF310W
Bore d: 50 mm
Outside diameter D: 110 mm
Width B: 27 mm
Minimum corner radius r: 2 mm
Minimum corner radius r1: 2 mm
Fw: Not applicable / not published
Ew: 95 mm
Basic dynamic load rating Cr: 107,000 N
Basic static load rating C0r: 86,000 N
Thermal speed rating — oil bath: 7,100 rpm
Mechanical speed — forced oil: Not published
Limiting speed — grease: 4,500 rpm
Limiting speed — oil: 5,600 rpm
Published row text: NF310W | 50 | 110 | 27 | 2 | 2 | | 95 | 107000 | 86000 | 7100 | | 4500 | 5600

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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