The Cup,tapered Roller Bearing, cataloged under National Stock Number 3110-00-151-8372, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-151-8372 |
| Primary Part Number | FF-B-187/2 |
| Item Name | Cup,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Flange Outside Diameter | 4.5147 INCHES NOMINAL IN |
| Flange Width | 0.1870 INCHES NOMINAL IN |
| Outer Ring Outside Diameter | 4.3307 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0470 INCHES NOMINAL IN |
| Style Designator | NORMAL ANGLE, FLANGED |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FF-B-187/2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 394AB | The Timken Corporation (USA) |
| FF-B-187/02-071 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 3110-00-151-8372 is a Cup,tapered Roller Bearing, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-151-8372 has 3 cross-referenced part numbers: FF-B-187/2 (Federal Specifications Promulgated by General Services Administration Washington DC), 394AB (The Timken Corporation), FF-B-187/02-071 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 3 known substitutes for 3110-00-151-8372: 3110-00-100-3632, 3110-00-100-5654, 3110-00-142-4395. Verify interchangeability with system specifications before substitution.
Key specifications for FF-B-187/2: Flange Outside Diameter: 4.5147 INCHES NOMINAL IN; Flange Width: 0.1870 INCHES NOMINAL IN; Outer Ring Outside Diameter: 4.3307 INCHES NOMINAL IN; Backface Corner Radius: 0.0470 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.