The Bearing,ball,annular, cataloged under National Stock Number 3110-01-197-0729, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-197-0729 |
| Primary Part Number | 7-217221408 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings |
| Status | ACTIVE |
| Retainer Fabrication Method | WIRE FORMED |
| Lubrication Material | GREASE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 11.7486 INCHES MINIMUM AND 11.7500 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 10.9986 INCHES MINIMUM AND 11.00000 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 BALL |
| Material | STEEL RETAINER |
| Material | STEEL COMP E52100 OUTER RING |
| Material | STEEL COMP E52100 INNER RING |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-217221408 PRIMARY | Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings (USA) |
| 7-217221408 PRIMARY | Kaydon Corporation Dba Kaydon Corp (USA) |
| Reference | Meaning |
|---|---|
| JU110XM0 | 5/9 Secondary reference Kaydon Corporation Dba Kaydon Corp |
| ITB-18560 | 5/9 Secondary reference Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings |
| 7-217221408 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-217221408 | 7/2 Vendor item drawing reference The Boeing Company |
| 50857001 | 5/1 Secondary reference Kaydon Corporation Dba Kaydon Corp |
NSN 3110-01-197-0729 is a Bearing,ball,annular, manufactured by Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-197-0729 has 2 manufacturer part numbers on file: 7-217221408 (Industrial Tectonics Bearings Corporation Dba Rbc Bearings Inc Div Industrial Tectonics Bearings), 7-217221408 (Kaydon Corporation Dba Kaydon Corp).
Key specifications for 7-217221408: Retainer Fabrication Method: WIRE FORMED; Lubrication Material: GREASE; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 16 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.
NSN 3110-01-197-0729 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.