The Bearing,ball,annular, cataloged under National Stock Number 3110-00-439-2579, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Kalmar AC Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3110-00-439-2579 |
| Primary Part Number | 4994913 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Kalmar AC Inc |
| Status | CANCELLED |
| Retainer Fabrication Method | PRESSED |
| Overall Outside Diameter | 1.4077 INCHES MINIMUM AND 1.4082 INCHES MAXIMUM IN |
| Material | STEEL RETAINER |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL OUTER RING |
| Material | STEEL BALL |
| Material | STEEL INNER RING |
| Material | RUBBER SYNTHETIC SEAL |
| Bearing Seal Type | CONTACT |
| Bore Diameter | 0.8740 INCHES MINIMUM AND 0.8760 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Surface Finish | GROUND |
| Internal Clearance | 0.0005 INCHES MINIMUM RADIAL AND 0.0040 INCHES MAXIMUM RADIAL IN |
| Seal Quantity | 1 |
| Load Direction | RADIAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21146 | Eaton Corporation Div Eaton Fluid Power (USA) |
| 4994913 PRIMARY | Kalmar AC Inc (USA) |
| 22314-8 | General Bearing Corp (USA) |
| 81581 | Komatsu America Corporation (USA) |
| 9418814 | General Motors Corp (USA) |
| 81581 PRIMARY | Dressta North America Ltd (USA) |
| D81581 | Komatsu America Corporation (USA) |
NSN 3110-00-439-2579 is a Bearing,ball,annular, manufactured by Kalmar AC Inc, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-439-2579 has 7 cross-referenced part numbers: 21146 (Eaton Corporation Div Eaton Fluid Power), 4994913 (Kalmar AC Inc), 22314-8 (General Bearing Corp), 81581 (Komatsu America Corporation), 9418814 (General Motors Corp) and 2 more.
There are 12 known substitutes for 3110-00-439-2579: 4510-00-160-7934, 6145-00-538-8426, 3120-00-585-4522 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4994913: Retainer Fabrication Method: PRESSED; Overall Outside Diameter: 1.4077 INCHES MINIMUM AND 1.4082 INCHES MAXIMUM IN; Material: STEEL RETAINER; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-439-2579 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.