The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-3441, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Nsk Corp Bearing Div. Government technical data includes 21 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 | 3110-00-156-3441 |
| Primary Part Number | 87501CE1SA2 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Nsk Corp Bearing Div |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3940 INCHES NOMINAL IN |
| Internal Fit-Up Designation | STANDARD |
| Surface Finish | GROUND |
| Shield Quantity | 1 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 32.00 MILLIMETERS NOMINAL MM |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 1 |
| Standard Tolerance Designation | ABEC NO.1 |
| Bore Diameter | 12.00 MILLIMETERS NOMINAL MM |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL OR STEEL CORROSION RESISTING RETAINER |
| Material | STEEL BALL |
| Material | STEEL SHIELD |
| Lubrication Material Document and Classification | DOD-24508 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.4800 INCHES NOMINAL IN |
| 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 |
|---|---|
| 87501CE1SA2 PRIMARY | Nsk Corp Bearing Div (USA) |
NSN 3110-00-156-3441 is a Bearing,ball,annular, manufactured by Nsk Corp Bearing Div, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-156-3441 has 1 manufacturer part number on file: 87501CE1SA2 (Nsk Corp Bearing Div).
Key specifications for 87501CE1SA2: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3940 INCHES NOMINAL IN; Internal Fit-Up Designation: STANDARD. 21 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.