The Bearing,roller,airframe, cataloged under National Stock Number 3110-01-050-0510, 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 19 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-050-0510 |
| Primary Part Number | BACB10C52X |
| 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 | 0.4590 INCHES MINIMUM AND 0.4640 INCHES MAXIMUM IN |
| Shield Quantity | 2 |
| Style Designator | CONCAVE ROLLERS, DOUBLE CLOSURE, SELF ALIGNING |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE ROLLER |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE SHIELD |
| Material Document and Classification | MIL-S-7420 MIL SPEC SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING COLLAR |
| Material Document and Classification | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Overall Outside Diameter | 0.9009 INCHES MINIMUM AND 0.9014 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM ALL EXTERNAL/EXPOSED METAL SURFACES |
| Seal Quantity | 2 |
| Bore Diameter | 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.6245 INCHES MINIMUM AND 0.6250 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 |
|---|---|
| BACB10C52X PRIMARY | Rexnord Industries, Llc Div Aerosspace Bearing Operation (USA) |
| Reference | Meaning |
|---|---|
| BACB10C52X | 1/2 Source control — Government-approved source U.S. Government activity |
| YD275 | 5/9 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
| BACB10C52 | 5/9 Secondary reference U.S. Government activity |
| DAS5-14A1-501 | 5/1 Secondary reference Rexnord Industries, Llc Div Aerosspace Bearing Operation |
NSN 3110-01-050-0510 is a Bearing,roller,airframe, manufactured by Rexnord Industries, Llc Div Aerosspace Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-050-0510 has 1 manufacturer part number on file: BACB10C52X (Rexnord Industries, Llc Div Aerosspace Bearing Operation).
Key specifications for BACB10C52X: Retainer Fabrication Method: MACHINED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.4590 INCHES MINIMUM AND 0.4640 INCHES MAXIMUM IN. 19 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.