The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-129-0140, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Fag Bearings Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-129-0140 |
| Primary Part Number | 527539 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Fag Bearings Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MOLDED |
| Internal Clearance | 0.0016 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN |
| Locating Feature | NONLOCATING |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW, NON-LOCATING, CYLINDRICAL INNER RING, TWO LIP OUTER RING, SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Overall Outside Diameter | 62.0 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Standard Tolerance Designation | RBEC NO.1 |
| Bore Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Material | PLASTIC POLYAMIDE NYLON RETAINER |
| Material | STEEL COMP E52100 ROLLER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3110-01-129-0140 is a Bearing,roller,cylindrical, manufactured by Fag Bearings Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-129-0140 has 2 manufacturer part numbers on file: 527539 (Fag Bearings Corporation), 144591 (The Boeing Company Div Legacy Am&m).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-218-3836. Verify interchangeability with system specifications before substitution.
Key specifications for 527539: Retainer Fabrication Method: MOLDED; Internal Clearance: 0.0016 INCHES MINIMUM RADIAL AND 0.0024 INCHES MAXIMUM RADIAL IN; Locating Feature: NONLOCATING; Surface Finish: GROUND. 16 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.