2580/2520

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

Bore B1.25 in / 31.75 mmOutside diameter D2.615 in / 66.421 mmWidth W1 in / 25.4 mmDynamic rating69,000 NNTN item page ↗

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Published specifications

NTN Bearing Finder

Set number: 2580/2520
Bore B: 1.25 in / 31.75 mm
Outside diameter D: 2.615 in / 66.421 mm
Width W: 1 in / 25.4 mm
Minimum corner radius r: 0.13 in / 3.3 mm
Static load rating: 18,322 lbf / 81,500 N
Dynamic load rating: 15,512 lbf / 69,000 N
Published row text: 2580/2520 | N/A 1.2500 in 31.750 mm | N/A 2.6150 in 66.421 mm | N/A 1.0000 in 25.400 mm | N/A 0.1300 in 3.300 mm | N/A 18322 lbf 81500 N 81.50 kN | N/A 15512 lbf 69000 N 69.00 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.

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