31597/31520

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

Bore B1.4375 in / 36.512 mmOutside diameter D3 in / 76.2 mmWidth W1.1563 in / 29.37 mmDynamic rating80,500 NNTN item page ↗

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Published specifications

NTN Bearing Finder

Set number: 31597/31520
Bore B: 1.4375 in / 36.512 mm
Outside diameter D: 3 in / 76.2 mm
Width W: 1.1563 in / 29.37 mm
Minimum corner radius r: 0.13 in / 3.3 mm
Static load rating: 21,800 lbf / 97,000 N
Dynamic load rating: 18,100 lbf / 80,500 N
Published row text: 31597/31520 | N/A 1.4375 in 36.512 mm | N/A 3.0000 in 76.200 mm | N/A 1.1563 in 29.370 mm | N/A 0.1300 in 3.300 mm | N/A 21800 lbf 97000 N 97.00 kN | N/A 18100 lbf 80500 N 80.50 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.

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