The Bearing,roller,airframe, cataloged under National Stock Number 3110-00-503-5657, 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 18 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 | 3110-00-503-5657 |
| Primary Part Number | SA10-18B7 |
| Item Name | Bearing,roller,airframe |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.3100 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE ALL EXTERNAL/EXPOSED METAL SURFACES |
| Shield Quantity | 2 |
| Style Designator | CONCAVE ROLLER, DOUBLE CLOSURE, SELF ALIGNING |
| Overall Outside Diameter | 1.1245 INCHES MINIMUM AND 1.1250 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Material | COPPER ALLOY RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Material | STEEL CORROSION RESISTING SHIELD |
| Material | PLASTIC ACETAL AND GLASS SEAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.3700 INCHES MINIMUM AND 0.3750 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 |
|---|---|
| SA10-18B7 PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
NSN 3110-00-503-5657 is a Bearing,roller,airframe, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-503-5657 has 1 manufacturer part number on file: SA10-18B7 (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for SA10-18B7: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.3100 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN. 18 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.