The Bearing,ball,annular, cataloged under National Stock Number 3110-01-339-0284, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-339-0284 |
| Primary Part Number | 34TKCBZZ37-46-159 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Retainer Fabrication Method | PRESSED |
| Bearing Seal Type | CONTACT |
| Lubrication Material | GREASE |
| Outer Ring Width | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Internal Clearance | 0.0009 INCHES MINIMUM RADIAL AND 0.0012 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Style Designator | SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5880 ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5880 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Material Document and Classification | AMS 5618 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5880 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Overall Outside Diameter | 2.8746 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Seal Quantity | 2 |
| Standard Tolerance Designation | ABEC NO. 5T |
| 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 | RUBBER CHLOROPRENE CLASS CR SEAL |
| Material | STEEL COMP 440C BALL |
| Material | STEEL OR COPPER ALLOY RETAINER |
| Lubrication Material Document and Classification | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inner Ring Width | 0.2760 INCHES MINIMUM AND 0.2810 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 | N |
| Part Number | Manufacturer |
|---|---|
| 34TKCBZZ37-46-159 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| Reference | Meaning |
|---|---|
| 5907010 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3110-01-339-0284 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-339-0284 has 1 manufacturer part number on file: 34TKCBZZ37-46-159 (Mpb Corp Div Timken Super Precision).
Key specifications for 34TKCBZZ37-46-159: Retainer Fabrication Method: PRESSED; Bearing Seal Type: CONTACT; Lubrication Material: GREASE; Outer Ring Width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. 23 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.