The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-446-4939, 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 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-446-4939 |
| Primary Part Number | 32307A |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 25.0 MILLIMETERS NOMINAL MM |
| Style Designator | STRAIGHT BORE, NORMAL ANGLE |
| Overall Outside Diameter | 80.0 MILLIMETERS NOMINAL MM |
| Backface Corner Radius | 1.5 MILLIMETERS NOMINAL MM |
| Cone Corner Radius | 2.0 MILLIMETERS NOMINAL MM |
| Standout Width | 7.750 MILLIMETERS NOMINAL MM |
| Cone Width | 31.0 MILLIMETERS NOMINAL MM |
| Bore Diameter | 35.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| SK9042W PL684100 IT 745 | Nord Gear Corporation (USA) |
| 24323070 | Nord Gear Corporation (USA) |
| 32307A PRIMARY | The Timken Corporation (USA) |
NSN 3110-01-446-4939 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-446-4939 has 3 manufacturer part numbers on file: SK9042W PL684100 IT 745 (Nord Gear Corporation), 24323070 (Nord Gear Corporation), 32307A (The Timken Corporation).
Key specifications for 32307A: Cup Width: 25.0 MILLIMETERS NOMINAL MM; Style Designator: STRAIGHT BORE, NORMAL ANGLE; Overall Width: 32.750 MILLIMETERS NOMINAL MM; Overall Outside Diameter: 80.0 MILLIMETERS NOMINAL MM. 9 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.