The Bearing,ball,annular, cataloged under National Stock Number 3110-00-501-3268, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-501-3268 |
| Primary Part Number | E2-3 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Standard Tolerance Designation | ABEC NO.7 |
| Flange Width | 0.0280 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN |
| Flange Outside Diameter | 0.4390 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN |
| Surface Finish | GROUND |
| Load Direction | RADIAL |
| Outer Ring Outside Diameter | 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Internal Clearance | 0.0002 INCHES MINIMUM RADIAL AND 0.0004 INCHES MAXIMUM RADIAL IN |
| Retainer Fabrication Method | PRESSED |
| Bore Shape | STRAIGHT |
| Internal Fit-Up Designation | TIGHT |
| Lubrication Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| Shield Quantity | 2 |
| Lubrication Material | GREASE |
| Material | STEEL COMP 440A OVERALL A |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Bore Diameter | 0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| E2-3 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| SR2FCHH7P24LY167 | Mpb Corp Div Timken Super Precision (USA) |
| MIL-B-81793/8 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M81793-DFGGAA01CB71AS1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| M81793/08-FG2C2N1E1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3110-00-501-3268 is a Bearing,ball,annular, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-501-3268 has 5 cross-referenced part numbers: E2-3 (Roller Bearing Co of America, Inc Div Pic Design), SR2FCHH7P24LY167 (Mpb Corp Div Timken Super Precision), MIL-B-81793/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793-DFGGAA01CB71AS1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M81793/08-FG2C2N1E1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).
There are 6 known substitutes for 3110-00-501-3268: 3110-00-100-8540, 4320-00-146-0421, 3030-00-528-4634 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for E2-3: Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Standard Tolerance Designation: ABEC NO.7; Flange Width: 0.0280 INCHES MINIMUM AND 0.0300 INCHES MAXIMUM IN; Flange Outside Diameter: 0.4390 INCHES MINIMUM AND 0.4400 INCHES MAXIMUM IN. 18 total characteristics are documented in the Federal Logistics Information System.