The Bearing,ball,annular, cataloged under National Stock Number 3110-00-946-8276, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Mpb Corp Div Timken Super Precision. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-946-8276 |
| Primary Part Number | D140 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| Inner Ring Width | 0.2500 INCHES NOMINAL IN |
| Material | STEEL BALL |
| Retainer Fabrication Method | MACHINED |
| Load Direction | RADIAL |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Bearing Preload Rating | 3.0 POUNDS NOMINAL LBS |
| Outer Ring Width | 0.1950 INCHES NOMINAL IN |
| Material | STEEL OUTER RING |
| Material | PLASTIC PHENOLIC AND COTTON RETAINER |
| Material | STEEL INNER RING |
| Surface Finish | GROUND |
| Outer Ring Outside Diameter | 0.6250 INCHES NOMINAL IN |
| Bore Shape | STRAIGHT |
| Flange Width | 0.0420 INCHES NOMINAL IN |
| Standard Tolerance Designation | ABEC NO.7 |
| Contact Angle | 32.0 DEGREES MAXIMUM |
| Flange Outside Diameter | 0.6900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MMF21W0VM7-2CRVE | Timken Co Div the Timken Company (USA) |
| Z560X21V12-0-12DD | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| Z564X21 | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| D140 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| 972091-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Z560X21V120-12DD | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
| D354 | Mpb Corp Div Timken Super Precision (USA) |
| Z560X21-972091-0001 PRIMARY | Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation (USA) |
NSN 3110-00-946-8276 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-946-8276 has 8 cross-referenced part numbers: MMF21W0VM7-2CRVE (Timken Co Div the Timken Company), Z560X21V12-0-12DD (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), Z564X21 (Schaeffler Aerospace Usa Corp Div Schaeffler Aerospace Usa Corporation), D140 (Mpb Corp Div Timken Super Precision), 972091-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp) and 3 more.
There are 9 known substitutes for 3110-00-946-8276: 5915-00-137-2992, 3020-00-252-7366, 5940-00-280-9807 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for D140: Inner Ring Width: 0.2500 INCHES NOMINAL IN; Special Features: 0.5909 IN. TO 0.5923 IN. RETAINER,TURN RATIO; TWO HOLES DRILLED THROUGH FACE OF RETAINER; MINIMUM CONTACT ANGLE 28.0 DEG; AVERAGE RUNNING TORQUE 0.40 GM-CM MAX; BREAKOUT ON OD OF INNER RING IN; Material: STEEL BALL; Retainer Fabrication Method: MACHINED. 18 total characteristics are documented in the Federal Logistics Information System.