The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-085-4569, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corporation Dba Mpb Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-085-4569 |
| Primary Part Number | 5RNH 122-15 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corporation Dba Mpb Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0063 INCHES MINIMUM RADIAL AND 0.0073 INCHES MAXIMUM RADIAL IN |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Precious Material | SILVER |
| Style Designator | SINGLE ROW, TWO-DIRECTION LOCATING, TWO LIP INNER RING, TWO LIP OUTER RING, SEPARABLE |
| Material Document and Classification | AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 170.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Precious Material and Location | RETAINER SILVER |
| Test Data Document | 78286-SB2305-102 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Standard Tolerance Designation | RBEC NO.5 |
| Bore Diameter | 110.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL 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 |
|---|---|
| SB2305-102 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 5RNH 122-15 PRIMARY | Mpb Corporation Dba Mpb Corp (USA) |
| 464921 PRIMARY | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| SB-991-2 | 5/9 Secondary reference Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. |
| SB-991-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-085-4569 is a Bearing,roller,cylindrical, manufactured by Mpb Corporation Dba Mpb Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-085-4569 has 3 manufacturer part numbers on file: SB2305-102 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 5RNH 122-15 (Mpb Corporation Dba Mpb Corp), 464921 (Skf Usa Inc.).
Key specifications for 5RNH 122-15: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0063 INCHES MINIMUM RADIAL AND 0.0073 INCHES MAXIMUM RADIAL IN; Locating Feature: NONLOCATING; Surface Finish: GROUND. 20 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.