The Bearing,roller,airframe, cataloged under National Stock Number 3110-01-294-3165, 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 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3110-01-294-3165 |
| Primary Part Number | SA16-31A1-502 |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Shield Quantity | 2 |
| Style Designator | CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 1.9370 INCHES MINIMUM AND 1.9375 INCHES MAXIMUM IN |
| Features Provided | LUBRICATION GROOVE AND LUBRICATION HOLE |
| Alignment Type | SELF-ALIGNING |
| Seal Quantity | 2 |
| Bore Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Material | STEEL COMP 430 SHIELD |
| Material | STEEL COMP E52100 ROLLER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE AND GLASS SEAL |
| Material | STEEL COMP E52100 INNER RING |
| Self-Alignment Location | INTERNAL |
| Lubrication Material Document and Classification | MIL-6-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.4330 INCHES MINIMUM AND 0.4380 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 |
|---|---|
| 39660-100 | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| SA16-31A1-502 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| 742363 | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| Reference | Meaning |
|---|---|
| 742363 | 5/1 Secondary reference U.S. Government activity |
| SA16-31A1-501 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| 742363-101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3110-01-294-3165 is a Bearing,roller,airframe, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-294-3165 has 3 manufacturer part numbers on file: 39660-100 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), SA16-31A1-502 (Rexnord Industries, Llc Div Aerosspace Bearing Operation), 742363 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
1 possible match (shared part number, not a government interchangeability claim): 4720-01-295-7064. Verify interchangeability with system specifications before substitution.
Key specifications for SA16-31A1-502: Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Shield Quantity: 2. 22 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.