21307CDE4

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

Bore d35 mmOutside diameter D80 mmWidth B21 mmDynamic rating Cr71,500 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog

Designation: 21307CDE4
Bore d: 35 mm
Outside diameter D: 80 mm
Width B: 21 mm
Minimum corner radius r: 1.5 mm
Basic dynamic load rating Cr: 71,500 N
Basic static load rating C0r: 76,000 N
Thermal speed rating — oil bath: 7,100 rpm
Mechanical speed — forced oil: Not published
Limiting speed — grease: 4,000 rpm
Limiting speed — oil: 5,300 rpm
Published row text: 21307CDE4 | 35 | 80 | 21 | 1.5 | 71500 | 76000 | 7100 | | 4000 | 5300

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.

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