The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-100-5330, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Europa Gmbh. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-100-5330 |
| Primary Part Number | 28985-28920 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Europa Gmbh |
| Status | ACTIVE |
| Cup Width | 0.7813 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 4.0000 INCHES NOMINAL IN |
| Backface Corner Radius | 0.1250 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.2188 INCHES NOMINAL IN |
| Cone Width | 1.0000 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 2.3750 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28985-28920 | Timken Europa Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 0019816005 | 5/9 Secondary reference Daimler Ag |
| BW85346 | 5/9 Secondary reference Boughton Engineering Limited |
| 28985-28920 | 5/1 Secondary reference The Timken Corporation |
| MS19081-101 | 2/2 Government specification standardization U.S. Government activity |
| MS19081 | 5/9 Secondary reference U.S. Government activity |
| FF-B-187 | 4/1 Identification reference U.S. Government activity |
NSN 3110-00-100-5330 is a Bearing,roller,tapered, manufactured by Timken Europa Gmbh, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-100-5330 has 1 manufacturer part number on file: 28985-28920 (Timken Europa Gmbh).
Key specifications for 28985-28920: Cup Width: 0.7813 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 1.0000 INCHES NOMINAL IN; Overall Outside Diameter: 4.0000 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.