The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-120-1621, 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 9 verified specifications, sourced from the Federal Logistics Information System. This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-120-1621 |
| Primary Part Number | NA691-99401 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — No Item Name Available |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 2.7500 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, DOUBLE CUP, SINGLE CONES, NON-ADJUSTABLE |
| Bore Diameter | 4.0000 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Backface Corner Radius | 0.0310 INCHES NOMINAL IN |
| Overall Outside Diameter | 6.0000 INCHES NOMINAL IN |
| Standout Width | 0.4375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NA691-99401 PRIMARY | The Timken Corporation (USA) |
| NA691-672D PRIMARY | The Timken Corporation (USA) |
| NA691672D | The Timken Corporation (USA) |
| D26640PC71 | Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA) |
| NA691-672D | Usm Corp Sub of Emhart Industries Inc Farrel Co Div (USA) |
| 25Z228 | Morris Material Handling, Inc. (USA) |
| 35040 | Hyster-Yale Group, Inc. (USA) |
NSN 3110-00-120-1621 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110 (No Item Name Available). Status: active.
NSN 3110-00-120-1621 has 7 cross-referenced part numbers: NA691-99401 (The Timken Corporation), NA691-672D (The Timken Corporation), NA691672D (The Timken Corporation), D26640PC71 (Usm Corp Sub of Emhart Industries Inc Farrel Co Div), NA691-672D (Usm Corp Sub of Emhart Industries Inc Farrel Co Div) and 2 more.
There are 7 known substitutes for 3110-00-120-1621: 5905-00-258-7116, 5330-00-809-9119, 6830-01-324-2179 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for NA691-99401: Overall Width: 3.6250 INCHES NOMINAL IN; Cup Width: 2.7500 INCHES NOMINAL IN; Standard Tolerance Designation: AFBMA CLASS 2; Special Features: OIL HOLE AND GROOVE IN CUP. 11 total characteristics are documented in the Federal Logistics Information System.