21309EAKE4

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

Bore d45 mmOutside diameter D100 mmWidth B25 mmDynamic rating Cr149,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog

Designation: 21309EAKE4
Bore d: 45 mm
Outside diameter D: 100 mm
Width B: 25 mm
Minimum corner radius r: 1.5 mm
Basic dynamic load rating Cr: 149,000 N
Basic static load rating C0r: 144,000 N
Thermal speed rating — oil bath: 6,000 rpm
Mechanical speed — forced oil: 9,000 rpm
Limiting speed — grease: 5,000 rpm
Limiting speed — oil: 6,300 rpm
Published row text: 21309EAKE4 | 45 | 100 | 25 | 1.5 | 149000 | 144000 | 6000 | 9000 | 5000 | 6300

Verification boundary

Do not infer interchange

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

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