21305CDE4

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

Bore d25 mmOutside diameter D62 mmWidth B17 mmDynamic rating Cr43,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog

Designation: 21305CDE4
Bore d: 25 mm
Outside diameter D: 62 mm
Width B: 17 mm
Minimum corner radius r: 1.1 mm
Basic dynamic load rating Cr: 43,000 N
Basic static load rating C0r: 40,500 N
Thermal speed rating — oil bath: 9,000 rpm
Mechanical speed — forced oil: Not published
Limiting speed — grease: 5,300 rpm
Limiting speed — oil: 6,700 rpm
Published row text: 21305CDE4 | 25 | 62 | 17 | 1.1 | 43000 | 40500 | 9000 | | 5300 | 6700

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.

Current dataConfirm the exact designation on the linked NSK product page before ordering.

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