The Bearing,roller,tapered, cataloged under National Stock Number 3110-01-506-4585, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is R R Transmissions Inc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | R R Transmissions Inc (CAGE 0M7H9) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-506-4585 |
| Primary Part Number | J211242 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | R R Transmissions Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| EX-975-2 POS NO 35 | R R Transmissions Inc (USA) |
| J211242 PRIMARY | R R Transmissions Inc (USA) |
| PL0975-1.XLS POS NO 35 | R R Transmissions Inc (USA) |
| Reference | Meaning |
|---|---|
| 154-2396 | 3/9 Design control — primary reference R R Transmissions Inc |
| C016007 | 5/9 Secondary reference R R Transmissions Inc |
| 154-2396 | 5/9 Secondary reference U.S. Government activity |
| EX-975-2 POS NO 35 | 5/2 Secondary reference U.S. Government activity |
| PL0975-1.XLS POS NO 35 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-01-506-4585 is a Bearing,roller,tapered, manufactured by R R Transmissions Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-506-4585 has 3 manufacturer part numbers on file: EX-975-2 POS NO 35 (R R Transmissions Inc), J211242 (R R Transmissions Inc), PL0975-1.XLS POS NO 35 (R R Transmissions Inc).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-506-4595. Verify interchangeability with system specifications before substitution.
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.