The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-967-7974, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-967-7974 |
| Primary Part Number | 98400-98789DX1S98400 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 3.1581 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE |
| Overall Outside Diameter | 7.3750 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0930 INCHES NOMINAL IN |
| Departure From Cited Designator | AS MODIFIED BY SPECIAL FEATURES |
| Nondefinitive Spec/std Data | 753 TYPE |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.7022 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 4.0000 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 |
|---|---|
| 98400-98789DX1S98400 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| A4740 | 5/9 Secondary reference The Timken Corporation |
| FFB187 | 5/9 Secondary reference U.S. Government activity |
| 340-103 | 3/2 Design control — primary reference U.S. Government activity |
| 203-1993340SHIPC103 | D/9 Drawing number reference only U.S. Government activity |
NSN 3110-00-967-7974 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-967-7974 has 1 manufacturer part number on file: 98400-98789DX1S98400 (The Timken Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 2520-01-050-9625, 4820-01-226-3744, 1680-01-369-5461. Verify interchangeability with system specifications before substitution.
Key specifications for 98400-98789DX1S98400: Cup Width: 3.1581 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, STEEP ANGLE; Overall Width: 4.5625 INCHES NOMINAL IN; Overall Outside Diameter: 7.3750 INCHES NOMINAL IN. 11 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.