The Bearing,ball,annular, cataloged under National Stock Number 3110-00-156-8137, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Ilsco Corporation Dba Utilco Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 29 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: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-156-8137 |
| Primary Part Number | 2970 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Ilsco Corporation Dba Utilco Div |
| Status | ACTIVE |
| Bore Shape | STRAIGHT |
| Overall Outside Diameter | 120.00 MILLIMETERS NOMINAL MM |
| Internal Fit-Up Designation | STANDARD |
| Standard Tolerance Designation | ABEC NO.1 |
| Internal Fit-Up Designation | STANDARD |
| Load Direction | ANGULAR |
| Nondefinitive Spec/std Data | 134 TYPE AND 00 GRADE |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | 134 TYPE AND 00 GRADE |
| Surface Finish | GROUND |
| Load Direction | ANGULAR |
| Bore Shape | STRAIGHT |
| Style Designator | COUNTERBORED OUTER RING, NON-SEPARABLE |
| Retainer Fabrication Method | PRESSED |
| Contact Angle | 25.0 DEGREES MINIMUM |
| Material | STEEL OVERALL |
| Standard Tolerance Designation | ABEC NO.1 |
| Contact Angle | 25.0 DEGREES MINIMUM |
| Bore Diameter | 55.00 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2970 | Ilsco Corporation Dba Utilco Div (USA) |
| 72-6970-445 | Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco (USA) |
| 7311PWFS179 | Timken Co Div the Timken Company (USA) |
| 7311WN | Timken Co Div the Timken Company (USA) |
| 30311 | General Motors Corp Delco Moraine Ndh Div (USA) |
| 162717-7 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 7311 | Skf Usa Inc. (USA) |
| 7311 | Federal-Mogul Corp Government Sales Dept (USA) |
| 177003-50 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 7311 | Equitable Bearing Co Inc (USA) |
| 348494 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 55BA03 | Anti-Friction Bearing Mfg Assn Inc the (USA) |
| 7311 | Trw Inc Bearings Div Plainville Plant (USA) |
| 7311 | Schatz Bearing Corporation Dba Schatz Bearing Corp (USA) |
| AA59634-211YABTU | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 7311 | Mcgill Manufacturing Co, Inc (USA) |
| 7311 | Mcgill Manufacturing Company Inc Use CAGE Code 92563 for Cataloging. (USA) |
| A-A-59634 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| FFB171 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 30311 | General Motors Corp (USA) |
NSN 3110-00-156-8137 is a Bearing,ball,annular, manufactured by Ilsco Corporation Dba Utilco Div, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-156-8137 has 29 cross-referenced part numbers: 2970 (Ilsco Corporation Dba Utilco Div), 72-6970-445 (Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco), 7311PWFS179 (Timken Co Div the Timken Company), 7311WN (Timken Co Div the Timken Company), 30311 (General Motors Corp Delco Moraine Ndh Div) and 24 more.
There are 12 known substitutes for 3110-00-156-8137: 5110-00-045-6211, 2530-00-047-4455, 5360-00-057-6602 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2970: Bore Shape: STRAIGHT; Overall Outside Diameter: 120.00 MILLIMETERS NOMINAL MM; Internal Fit-Up Designation: STANDARD; Standard Tolerance Designation: ABEC NO.1. 21 total characteristics are documented in the Federal Logistics Information System.