The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-100-0630, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is The Timken Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 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 | 3110-00-100-0630 |
| Primary Part Number | A4138 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Backface Corner Radius | 0.0460 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Outside Diameter | 1.3775 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Style Designator | NORMAL ANGLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A4138 PRIMARY | The Timken Corporation (USA) |
| 103S2 | Bendix Corp the (USA) |
| A4138 | Rbc Bearings Incorporated Div West Trenton Division (USA) |
| A4138 | The Timken Company (FRA) |
| 174814-2 | Northrop Grumman Systems Corporation (USA) |
| KA4138 | Skf France (FRA) |
| 50251 | Bendix Corp the (USA) |
| 95-0465 | Goodyear Tire and Rubber Co the (USA) |
| 40S11 | Gould & Eberhardt Gear Mchy (USA) |
| 95-0465 | Meggitt Aircraft Braking Systems Corporation (USA) |
| 95-0465 | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
| VT3841 | Cnh Industrial America Llc Dba Cnh America (USA) |
| A4138 | Tyson Bearing Co Div Skf Industries Inc (USA) |
| A4138 | Federal-Mogul Corp Government Sales Dept (USA) |
| 103S2 | Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA) |
NSN 3110-00-100-0630 is a Cup,tapered Roller Bearing, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-100-0630 has 15 cross-referenced part numbers: A4138 (The Timken Corporation), 103S2 (Bendix Corp the), A4138 (Rbc Bearings Incorporated Div West Trenton Division), A4138 (The Timken Company), 174814-2 (Northrop Grumman Systems Corporation) and 10 more.
There are 6 known substitutes for 3110-00-100-0630: 6240-00-249-6061, 2920-00-363-7651, 6685-00-542-1406 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for A4138: Backface Corner Radius: 0.0460 INCHES NOMINAL IN; Overall Width: 0.3437 INCHES NOMINAL IN; Material: STEEL OVERALL; Outside Diameter: 1.3775 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.