The Bearing,ball,annular, cataloged under National Stock Number 3110-01-345-7952, 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 11 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 | 3110-01-345-7952 |
| Primary Part Number | 3TKR1418U |
| 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 |
| Surface Finish | GROUND |
| Style Designator | 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE |
| Overall Outside Diameter | 1.1250 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Specification/standard Data | 40920-3TKR1418U PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION |
| Load Direction | RADIAL |
| Standard Tolerance Designation | ABEC NO. 5T |
| Bore Diameter | 0.8750 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC RETAINER |
| Material | STEEL COMP 440C BALL |
| 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 |
|---|---|
| SM70131-035 | Thales Uk Limited Dba Thales Uk Ltd Optronics (GBR) |
| 3TKR1418U PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
NSN 3110-01-345-7952 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-345-7952 has 2 manufacturer part numbers on file: SM70131-035 (Thales Uk Limited Dba Thales Uk Ltd Optronics), 3TKR1418U (Mpb Corp Div Timken Super Precision).
Key specifications for 3TKR1418U: Retainer Fabrication Method: PRESSED; Surface Finish: GROUND; Style Designator: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE; Overall Outside Diameter: 1.1250 INCHES NOMINAL IN. 11 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.