The Bearing,roller,tapered, cataloged under National Stock Number 3110-00-227-2104, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Timken Corporation. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-00-227-2104 |
| Primary Part Number | 53177-53387 |
| Item Name | Bearing,roller,tapered |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Timken Corporation |
| Status | ACTIVE |
| Cup Width | 0.8125 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE, STEEP ANGLE |
| Overall Outside Diameter | 3.8750 INCHES NOMINAL IN |
| Backface Corner Radius | 0.0310 INCHES NOMINAL IN |
| Cone Corner Radius | 0.1400 INCHES NOMINAL IN |
| Standout Width | 0.4063 INCHES NOMINAL IN |
| Cone Width | 1.1142 INCHES NOMINAL IN |
| Standard Tolerance Designation | AFBMA CLASS 2 |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| G71761-27 | Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA) |
| 53177-53387 PRIMARY | The Timken Corporation (USA) |
| Reference | Meaning |
|---|---|
| TS53177-53387 | 5/9 Secondary reference A-T-O Construction Equipment Div |
| G71761-27 | 5/9 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 3110-00-227-2104 is a Bearing,roller,tapered, manufactured by The Timken Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-00-227-2104 has 2 manufacturer part numbers on file: G71761-27 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 53177-53387 (The Timken Corporation).
Key specifications for 53177-53387: Cup Width: 0.8125 INCHES NOMINAL IN; Style Designator: STRAIGHT BORE, STEEP ANGLE; Overall Width: 1.2188 INCHES NOMINAL IN; Overall Outside Diameter: 3.8750 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.