The Bearing,ball,annular, cataloged under National Stock Number 3110-01-045-2551, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-045-2551 |
| Primary Part Number | SSRF-3RA5P58LO3 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| Status | ACTIVE |
| Lubrication Material Document and Classification | MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE |
| Retainer Fabrication Method | PRESSED |
| Standard Tolerance Designation | ABEC NO. 5P |
| Load Direction | RADIAL |
| Lubrication Material | OIL |
| Outer Ring Outside Diameter | 0.5000 INCHES NOMINAL IN |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL IN |
| Surface Finish | GROUND |
| Flange Outside Diameter | 0.5650 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Flange Width | 0.0420 INCHES NOMINAL IN |
| Material | STEEL COMP 440A OVERALL A |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Diameter | 0.1875 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SSRF-3RA5P58LO3 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| SSRF-3RA5P58LY21 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| SR3FR5P58LO2 | Mpb Corp Div Timken Super Precision (USA) |
| MIL-B-81793 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SSRF-3RA5P58LO2 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| M81793/07-HC4N5N1A1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-B-81793/7 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SSRF-3RA5P58LO6 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| SSRF-3RA5P58L01 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| SSRF-3RA5P58LO4 | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
NSN 3110-01-045-2551 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-01-045-2551 has 10 cross-referenced part numbers: SSRF-3RA5P58LO3 (New Hampshire Ball Bearings Inc Div Precision Division), SSRF-3RA5P58LY21 (New Hampshire Ball Bearings Inc Div Precision Division), SR3FR5P58LO2 (Mpb Corp Div Timken Super Precision), MIL-B-81793 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), SSRF-3RA5P58LO2 (New Hampshire Ball Bearings Inc Div Precision Division) and 5 more.
There are 12 known substitutes for 3110-01-045-2551: 3110-00-198-1763, 3110-00-277-0230, 3110-00-293-9038 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for SSRF-3RA5P58LO3: Lubrication Material Document and Classification: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE; Retainer Fabrication Method: PRESSED; Standard Tolerance Designation: ABEC NO. 5P; Load Direction: RADIAL. 16 total characteristics are documented in the Federal Logistics Information System.