Industrial Part Identification
When a part fails, it’s natural to look for the part number. It’s the first
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| MFR / Brand | Timken |
|---|---|
| MPN | 14139-90086 |
| Model | 14139 14276 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.377 in |
| OD | 2-717 in |
| Material | Steel |
|---|---|
| Condition | New – Open box |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 14276 |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Bearing Material | Case-Hardened High Alloy Steel |
| Cone Part Number | 14139 |
| Cone Width | 0.7710 in |
| Cone Backface To Clear Radius | 0.03 in |
| Cone Frontface Backing Diameter | 1.57 in |
| Cage Cone Frontface Clearance | 0.05 in |
| Cage Cone Backface Clearance | 0.08 in |
| Effective Center Location | -0.18 in |
| Series | 14000 |
| Cage Type | Stamped Steel |
Timken 14139-90086 Taper Roller Bearing Cone and Cup 14276 is a premium steel bearing designed for industrial use. With a bore diameter of 1.377 inches and an outside diameter of 2.717 inches, this tapered roller cone and cup are built for standard taper bearing systems. New Old Stock condition means it is unused inventory manufactured in the United States. Timken precision class zero tolerance delivers dependable performance and a consistent fit when replacing worn parts in standard taper bearing assemblies.
Designed for mechanical power transmission and industrial automation, this bearing provides reliable axial load transfer and smooth operation in demanding machinery. The cone and cup geometry distributes load evenly, extending service life and reducing maintenance costs. This unit is ready for immediate installation and originates from the United States, specifically Rochester, New York.
Key benefits include durable performance in harsh environments, easy replacement in existing taper bearing setups, and improved uptime for conveyors, gearboxes, motors, pumps, and automation equipment. Trust Timken quality for long term reliability in critical applications.

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