22311EAKE4

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

Bore d55 mmOutside diameter D120 mmWidth B43 mmDynamic rating Cr292,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog

Designation: 22311EAKE4
Bore d: 55 mm
Outside diameter D: 120 mm
Width B: 43 mm
Minimum corner radius r: 2 mm
Basic dynamic load rating Cr: 292,000 N
Basic static load rating C0r: 292,000 N
Thermal speed rating — oil bath: 4,300 rpm
Mechanical speed — forced oil: 6,000 rpm
Limiting speed — grease: 3,800 rpm
Limiting speed — oil: 4,800 rpm
Published row text: 22311EAKE4 | 55 | 120 | 43 | 2 | 292000 | 292000 | 4300 | 6000 | 3800 | 4800

Verification boundary

Do not infer interchange

Internal designConfirm cage, internal design suffix, bore type, clearance, and seals.

Fits and geometryVerify shaft/housing fits, shoulders, fillets, locating method, and mounting arrangement.

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

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