2878/2820

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

Bore B1.375 in / 34.925 mmOutside diameter D2.875 in / 73.025 mmWidth W0.875 in / 22.225 mmDynamic rating62,500 NNTN item page ↗

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Published specifications

NTN Bearing Finder

Set number: 2878/2820
Bore B: 1.375 in / 34.925 mm
Outside diameter D: 2.875 in / 73.025 mm
Width W: 0.875 in / 22.225 mm
Minimum corner radius r: 0.13 in / 3.3 mm
Static load rating: 16,973 lbf / 75,500 N
Dynamic load rating: 14,051 lbf / 62,500 N
Published row text: 2878/2820 | N/A 1.3750 in 34.925 mm | N/A 2.8750 in 73.025 mm | N/A 0.8750 in 22.225 mm | N/A 0.1300 in 3.300 mm | N/A 16973 lbf 75500 N 75.50 kN | N/A 14051 lbf 62500 N 62.50 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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