21317EAKE4

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

Bore d85 mmOutside diameter D180 mmWidth B41 mmDynamic rating Cr360,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog

Designation: 21317EAKE4
Bore d: 85 mm
Outside diameter D: 180 mm
Width B: 41 mm
Minimum corner radius r: 3 mm
Basic dynamic load rating Cr: 360,000 N
Basic static load rating C0r: 395,000 N
Thermal speed rating — oil bath: 3,800 rpm
Mechanical speed — forced oil: 5,000 rpm
Limiting speed — grease: 3,000 rpm
Limiting speed — oil: 4,000 rpm
Published row text: 21317EAKE4 | 85 | 180 | 41 | 3 | 360000 | 395000 | 3800 | 5000 | 3000 | 4000

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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