12580/12520

Manufacturer-published cone/cup set dimensions and radial load ratings.

Bore B0.813 in / 20.638 mmOutside diameter D1.938 in / 49.225 mmWidth W0.7813 in / 19.845 mmDynamic rating37,500 NNTN item page ↗

Live manufacturer row

Published specifications

NTN Bearing Finder

Set number: 12580/12520
Bore B: 0.813 in / 20.638 mm
Outside diameter D: 1.938 in / 49.225 mm
Width W: 0.7813 in / 19.845 mm
Minimum corner radius r: 0.06 in / 1.5 mm
Static load rating: 8,768 lbf / 39,000 N
Dynamic load rating: 8,430 lbf / 37,500 N
Published row text: 12580/12520 | N/A 0.8130 in 20.638 mm | N/A 1.9380 in 49.225 mm | N/A 0.7813 in 19.845 mm | N/A 0.0600 in 1.500 mm | N/A 8768 lbf 39000 N 39.00 kN | N/A 8430 lbf 37500 N 37.50 kN

Verification boundary

Do not infer interchange

Exact cone/cup setConfirm both members of the set and exact series/designation.

Fits and geometryVerify shaft and housing seats, shoulders, fillets, preload/endplay, and mounting arrangement.

DutyCheck radial and axial loading, speed, lubrication, temperature, contamination, and required life.

Current dataConfirm the exact set in NTN Bearing Finder before ordering.