The Bearing,ball,annular, cataloged under National Stock Number 3110-01-256-9766, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rexnord Industries, Llc Div Link-Belt Bearing Operation. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-256-9766 |
| Primary Part Number | BS223173 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rexnord Industries, Llc Div Link-Belt Bearing Operation |
| Status | ACTIVE |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.8270 INCHES NOMINAL IN |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, GREASE GROOVE AND SNAP RING ON OUTER RING, WITH SEPARABLE CONCENTRIC LOCKING RING |
| Overall Outside Diameter | 3.1491 INCHES MINIMUM AND 3.1496 INCHES MAXIMUM IN |
| Features Provided | SNAP RING-GROOVE MOUNTING |
| Bore Shape | STRAIGHT |
| Alignment Type | RIGID |
| Seal Quantity | 2 |
| Bore Diameter | 1.5758 INCHES MINIMUM AND 1.5763 INCHES MAXIMUM IN |
| Lubrication Material Document and Classification | MIL-G-10924 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 1.9060 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3110-01-256-9766 is a Bearing,ball,annular, manufactured by Rexnord Industries, Llc Div Link-Belt Bearing Operation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-256-9766 has 2 manufacturer part numbers on file: BS223173 (Rexnord Industries, Llc Div Link-Belt Bearing Operation), 11656181 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for BS223173: Lubrication Material: GREASE; Outer Ring Width: 0.8270 INCHES NOMINAL IN; Surface Finish: GROUND; Style Designator: SINGLE ROW BALL, NOT SELF-ALIGNING, INNER RING EXTENDS BOTH SIDES, GREASE GROOVE AND SNAP RING ON OUTER RING, WITH SEPARABLE CONCENTRIC LOCKING RING. 12 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.