The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-130-0646, 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 13 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-130-0646 |
| Primary Part Number | E5310UMR P2D |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Regal Beloit America, Inc. Dba Rollway Bearing |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Fit-Up Designation | STANDARD |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE |
| Overall Outside Diameter | 4.3307 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 1.9685 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL ROLLER |
| 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 |
|---|---|
| E5310UMR P2D PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| Reference | Meaning |
|---|---|
| 617F187 FIND 29 | 5/2 Secondary reference U.S. Government activity |
| E5310UMR | 5/9 Secondary reference Regal Beloit America, Inc. Dba Rollway Bearing |
| 1122F68 PIECE 2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3110-01-130-0646 is a Bearing,roller,cylindrical, manufactured by Regal Beloit America, Inc. Dba Rollway Bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-130-0646 has 1 manufacturer part number on file: E5310UMR P2D (Regal Beloit America, Inc. Dba Rollway Bearing).
Key specifications for E5310UMR P2D: Retainer Fabrication Method: MACHINED; Internal Fit-Up Designation: STANDARD; Locating Feature: NONLOCATING; Surface Finish: GROUND. 13 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.