The Bearing,roller,airframe, cataloged under National Stock Number 3110-01-417-1437, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Aerosspace Bearing Operation. Government technical data includes 11 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 | 3110-01-417-1437 |
| Primary Part Number | SA4-12A1-501 |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Outer Ring Width | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Style Designator | CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING |
| Overall Outside Diameter | 0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM IN |
| Bore Diameter | 0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN |
| Material | STEEL COMP 430 SHIELD |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Material | STEEL COMP E52100 ROLLER |
| Material | STEEL RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Inner Ring Width | 0.3080 INCHES MINIMUM AND 0.3130 INCHES MAXIMUM 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 |
|---|---|
| SA4-12A1-501 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
NSN 3110-01-417-1437 is a Bearing,roller,airframe, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-417-1437 has 1 manufacturer part number on file: SA4-12A1-501 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for SA4-12A1-501: Outer Ring Width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN; Style Designator: CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING; Overall Outside Diameter: 0.7492 INCHES MINIMUM AND 0.7503 INCHES MAXIMUM IN; Bore Diameter: 0.2495 INCHES MINIMUM AND 0.2501 INCHES MAXIMUM IN. 11 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.