The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-4257, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ntn Bearing Corporation of America. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 36 commercial cross-references from 21 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 | 3110-00-156-4257 |
| Primary Part Number | WC8506 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Ntn Bearing Corporation of America |
| Status | CANCELLED |
| Overall Outside Diameter | 62.0 MILLIMETERS NOMINAL MM |
| Standard Tolerance Designation | ABEC NO.1 |
| Seal Quantity | 1 |
| Material | STEEL OUTER RING |
| Material | STEEL INNER RING |
| Material | STEEL BALL |
| Material | RUBBER SYNTHETIC SEAL |
| Material | STEEL INNER RING |
| Nondefinitive Spec/std Data | 118 TYPE AND 00 GRADE AND 1 CLASS |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Material | STEEL RETAINER |
| Inner Ring Width | 19.0 MILLIMETERS NOMINAL MM |
| Bearing Seal Type | CONTACT |
| Bore Shape | STRAIGHT |
| Retainer Fabrication Method | PRESSED |
| Bore Shape | STRAIGHT |
| Load Direction | RADIAL |
| Surface Finish | GROUND |
| Internal Fit-Up Designation | STANDARD |
| Seal Quantity | 1 |
| Internal Fit-Up Designation | STANDARD |
| Nondefinitive Spec/std Data | 118 TYPE AND 00 GRADE AND 1 CLASS |
| Standard Tolerance Designation | ABEC NO.1 |
| Style Designator | NON-LOADING GROOVE, NON-SEPARABLE |
| Load Direction | RADIAL |
| Outer Ring Width | 0.7870 INCHES NOMINAL IN |
| Bearing Seal Type | CONTACT |
| Bore Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BM379 | Cooper Cameron Corp Ajax-Superior Div (USA) |
| 232813-2 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 7B2380 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 7030 | Fag Bearings Corporation (USA) |
| 319696-683 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| WC8506X1C | General Motors Corp (USA) |
| 101035 | Cooper Cameron Corp Ajax-Superior Div (USA) |
| 206KTFS381 | Timken Co Div the Timken Company (USA) |
| 380243A | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 202554-22 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 202554-16 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| WC8506 PRIMARY | Ntn Bearing Corporation of America (USA) |
| 8030 | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| 7030 | Federal-Mogul Corp Government Sales Dept (USA) |
| 1A181-232 | Fwd Seagrave Holdings Lp (USA) |
| WC8506X1C | General Motors Corp Delco Moraine Ndh Div (USA) |
| 273829-143 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 12Z369-62 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 3B0243A | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 113276-1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3110-00-156-4257 is a Bearing,ball,annular, manufactured by Ntn Bearing Corporation of America, classified under FSC 3110 (No Item Name Available). Status: cancelled.
NSN 3110-00-156-4257 has 36 cross-referenced part numbers: BM379 (Cooper Cameron Corp Ajax-Superior Div), 232813-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 7B2380 (Caterpillar Inc Div Caterpillar Defense), 7030 (Fag Bearings Corporation), 319696-683 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 31 more.
There are 12 known substitutes for 3110-00-156-4257: 5310-00-053-7808, 4310-00-062-8575, 4820-00-174-0323 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for WC8506: Overall Outside Diameter: 62.0 MILLIMETERS NOMINAL MM; Standard Tolerance Designation: ABEC NO.1; Seal Quantity: 1; Material: STEEL OUTER RING. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 3110-00-156-4257 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.