The Bearing,roller,journal, cataloged under National Stock Number 3110-00-474-9232, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Timken Aerospace, Inc Dba Torrington Product. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-474-9232 |
| Primary Part Number | B5748B |
| Item Name | Bearing,roller,journal |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Timken Aerospace, Inc Dba Torrington Product |
| Status | ACTIVE |
| Outer Ring Width | 1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN |
| Style Designator | SOLID INNER AND OUTER RACES |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | 204-011-112-1,97499 MFR REF SINGLE MATERIAL RESPONSE RETAINER |
| Overall Outside Diameter | 5.3742 INCHES MINIMUM AND 5.3750 INCHES MAXIMUM IN |
| Bore Diameter | 4.4992 INCHES MINIMUM AND 4.5000 INCHES MAXIMUM IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL RETAINER |
| Inner Ring Width | 1.6200 INCHES MINIMUM AND 1.6250 INCHES MAXIMUM IN |
| 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 |
|---|---|
| B5748B PRIMARY | Timken Aerospace, Inc Dba Torrington Product (USA) |
| 77JTG2486-9D1AND1R722677-9D PRIMARY | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| Reference | Meaning |
|---|---|
| 204-011-112-1 | 1/2 Source control — Government-approved source U.S. Government activity |
| 204-011-112-001 | 5/2 Secondary reference U.S. Government activity |
| 204-011-112-003 | 5/2 Secondary reference U.S. Government activity |
NSN 3110-00-474-9232 is a Bearing,roller,journal, manufactured by Timken Aerospace, Inc Dba Torrington Product, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-474-9232 has 2 manufacturer part numbers on file: B5748B (Timken Aerospace, Inc Dba Torrington Product), 77JTG2486-9D1AND1R722677-9D (Rbc Bearings Incorporated Div West Trenton Division).
Key specifications for B5748B: Outer Ring Width: 1.4950 INCHES MINIMUM AND 1.5000 INCHES MAXIMUM IN; Style Designator: SOLID INNER AND OUTER RACES; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OUTER RING; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE INNER RING. 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.