28990/28920

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

Bore B2.44 in / 61.976 mmOutside diameter D4 in / 101.6 mmWidth W1 in / 25.4 mmDynamic rating90,500 NNTN item page ↗

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Published specifications

NTN Bearing Finder

Set number: 28990/28920
Bore B: 2.44 in / 61.976 mm
Outside diameter D: 4 in / 101.6 mm
Width W: 1 in / 25.4 mm
Minimum corner radius r: 0.13 in / 3.3 mm
Static load rating: 30,000 lbf / 134,000 N
Dynamic load rating: 20,300 lbf / 90,500 N
Published row text: 28990/28920 | N/A 2.4400 in 61.976 mm | N/A 4.0000 in 101.600 mm | N/A 1.0000 in 25.400 mm | N/A 0.1300 in 3.300 mm | N/A 30000 lbf 134000 N 134.00 kN | N/A 20300 lbf 90500 N 90.50 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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