3188/3120

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

Bore B1.25 in / 31.75 mmOutside diameter D2.8593 in / 72.626 mmWidth W1.1875 in / 30.162 mmDynamic rating84,500 NNTN item page ↗

Live manufacturer row

Published specifications

NTN Bearing Finder

Set number: 3188/3120
Bore B: 1.25 in / 31.75 mm
Outside diameter D: 2.8593 in / 72.626 mm
Width W: 1.1875 in / 30.162 mm
Minimum corner radius r: 0.13 in / 3.3 mm
Static load rating: 22,000 lbf / 98,000 N
Dynamic load rating: 19,000 lbf / 84,500 N
Published row text: 3188/3120 | N/A 1.2500 in 31.750 mm | N/A 2.8593 in 72.626 mm | N/A 1.1875 in 30.162 mm | N/A 0.1300 in 3.300 mm | N/A 22000 lbf 98000 N 98.00 kN | N/A 19000 lbf 84500 N 84.50 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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