3578/3520

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

Bore B1.75 in / 44.45 mmOutside diameter D3.3125 in / 84.138 mmWidth W1.1875 in / 30.162 mmDynamic rating94,000 NNTN item page ↗

Live manufacturer row

Published specifications

NTN Bearing Finder

Set number: 3578/3520
Bore B: 1.75 in / 44.45 mm
Outside diameter D: 3.3125 in / 84.138 mm
Width W: 1.1875 in / 30.162 mm
Minimum corner radius r: 0.13 in / 3.3 mm
Static load rating: 26,300 lbf / 117,000 N
Dynamic load rating: 21,100 lbf / 94,000 N
Published row text: 3578/3520 | N/A 1.7500 in 44.450 mm | N/A 3.3125 in 84.138 mm | N/A 1.1875 in 30.162 mm | N/A 0.1300 in 3.300 mm | N/A 26300 lbf 117000 N 117.00 kN | N/A 21100 lbf 94000 N 94.00 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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