The Ring,bearing,inner, cataloged under National Stock Number 3110-01-099-3670, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Regal Beloit America, Inc. Dba Rollway Bearing. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-099-3670 |
| Primary Part Number | E-1213-103 |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Regal Beloit America, Inc. Dba Rollway Bearing |
| Status | ACTIVE |
| Surface Finish | GROUND |
| Style Designator | INNER RING, ROLLER, CYLINDRICAL |
| Overall Outside Diameter | 3.1653 INCHES MINIMUM AND 3.1655 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Bore Diameter | 2.5585 INCHES MINIMUM AND 2.5591 INCHES MAXIMUM 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 |
|---|---|
| 630885C1 | Komatsu America Corp. (USA) |
| E-1213-103 PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| Reference | Meaning |
|---|---|
| 230843 | 5/9 Secondary reference Clark Equipment Co |
| 630885C1 | 5/9 Secondary reference Komatsu American Intl Co |
| 630885C1 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-099-3670 is a Ring,bearing,inner, manufactured by Regal Beloit America, Inc. Dba Rollway Bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-099-3670 has 2 manufacturer part numbers on file: 630885C1 (Komatsu America Corp.), E-1213-103 (Regal Beloit America, Inc. Dba Rollway Bearing).
Key specifications for E-1213-103: Surface Finish: GROUND; Style Designator: INNER RING, ROLLER, CYLINDRICAL; Overall Width: 0.7350 INCHES MINIMUM AND 0.7400 INCHES MAXIMUM IN; Overall Outside Diameter: 3.1653 INCHES MINIMUM AND 3.1655 INCHES MAXIMUM IN. 6 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.