21312EAKE4

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

Bore d60 mmOutside diameter D130 mmWidth B31 mmDynamic rating Cr238,000 NNSK product page ↗

Live manufacturer catalog row

Published specifications

NSK Online Catalog

Designation: 21312EAKE4
Bore d: 60 mm
Outside diameter D: 130 mm
Width B: 31 mm
Minimum corner radius r: 2.1 mm
Basic dynamic load rating Cr: 238,000 N
Basic static load rating C0r: 244,000 N
Thermal speed rating — oil bath: 4,800 rpm
Mechanical speed — forced oil: 6,700 rpm
Limiting speed — grease: 3,800 rpm
Limiting speed — oil: 4,800 rpm
Published row text: 21312EAKE4 | 60 | 130 | 31 | 2.1 | 238000 | 244000 | 4800 | 6700 | 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.

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

Related NSK bearings