The Bearing,ball,annular, cataloged under National Stock Number 3110-01-299-9458, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-299-9458 |
| Primary Part Number | 3TKR37-46U |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Lubrication Material | GREASE |
| Surface Finish | GROUND |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Overall Outside Diameter | 2.8746 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Bore Diameter | 2.3121 INCHES MINIMUM AND 2.3125 INCHES MAXIMUM IN |
| Material | STEEL COMP 440C INNER RING |
| Material | STEEL COMP 440C OUTER RING |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| Lubrication Material Document and Classification | KUBLER ISOFLEX LDS CAGEC 78118 MFR REF SINGLE MATERIAL RESPONSE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3TKR37-46U PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 3TKR37-46U | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| 628419 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 3110-01-299-9458 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-299-9458 has 1 manufacturer part number on file: 3TKR37-46U (Mpb Corp Div Timken Super Precision).
Key specifications for 3TKR37-46U: Retainer Fabrication Method: MACHINED; Lubrication Material: GREASE; Surface Finish: GROUND; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 13 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.