The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-129-8133, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-129-8133 |
| Primary Part Number | 64952-07056-041 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Internal Clearance | 0.0080 INCHES MINIMUM RADIAL AND 0.0100 INCHES MAXIMUM RADIAL IN |
| Locating Feature | TWO DIRECTION |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING WITH ONE ROLLER RETAINMENT RING ON OUTER, NON-SEPARABLE |
| Overall Outside Diameter | 9.0544 INCHES MINIMUM AND 9.0551 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | AFBMA CLASS 3 |
| Bore Diameter | 6.6923 INCHES MINIMUM AND 6.6929 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 ROLLER |
| Material | STEEL RETAINER |
| Material | STEEL COMP 8620 INNER RACE |
| Material | STEEL COMP 8620 OUTER RACE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 64952-07056-041 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3110-01-129-8133 is a Bearing,roller,cylindrical, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-129-8133 has 1 manufacturer part number on file: 64952-07056-041 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 64952-07056-041: Retainer Fabrication Method: MACHINED; Internal Clearance: 0.0080 INCHES MINIMUM RADIAL AND 0.0100 INCHES MAXIMUM RADIAL IN; Locating Feature: TWO DIRECTION; 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.
NSN 3110-01-129-8133 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.