Industrial replacement referenceSource-backed records · No compatibility guesswork

NTN tapered roller set · live catalog page 2

28880/28820E1

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

Bore B9.75 in / 247.65 mmOutside diameter D12 in / 304.8 mmWidth W0.875 in / 22.225 mmDynamic rating147,000 NNTN item page ↗

Live manufacturer row

Published specifications

NTN Bearing Finder
Set number
28880/28820E1
Bore B
9.75 in / 247.65 mm
Outside diameter D
12 in / 304.8 mm
Width W
0.875 in / 22.225 mm
Minimum corner radius r
0.06 in / 1.5 mm
Static load rating
80,500 lbf / 358,000 N
Dynamic load rating
33,000 lbf / 147,000 N
Published row text
28880/28820E1 | N/A 9.7500 in 247.650 mm | N/A 12.0000 in 304.800 mm | N/A 0.8750 in 22.225 mm | N/A 0.0600 in 1.500 mm | N/A 80500 lbf 358000 N 358.00 kN | N/A 33000 lbf 147000 N 147.00 kN

Verification boundary

What still needs to match

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.