Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
When a motor stops running, the first instinct is to find the part that looks
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| MFR / Brand | Timken |
|---|---|
| MPN | 39590B/39520 |
| Model | 39590-B 39520 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2.6250 in |
| OD | 4.4375 in |
| Condition | New – Open box |
|---|---|
| Series | 39500 |
| Material | Case-Hardened Steel |
| Condition Note | Made In USA, 3959B-90021, New Old Stock, We Have The Parts To Make Complete Timken Sets Or Assemblies For Any Part Number, Contact Us |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 39520 |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Cup Width | 0.9375 in |
| Cup Backface To Clear Radius | 0.13 in |
| Cone Part Number | 39590B |
| Cone Width | 1.1875 in |
| Cone Backface To Clear Radius | 0.14 in |
| Cone Frontface Backing Diameter | 2.95 in |
| Cup Frontface Backing Diameter | 4.35 in |
| Cage Cone Frontface Clearance | 0.13 in |
| Cage Cone Backface Clearance | 0.05 in |
| Effective Center Location | -0.26 in |
| Cage Type | Stamped Brass |
Timken 39590B/39520 Taper Roller Bearing Cone and Cup set delivers dependable radial and axial load support for heavy equipment. This New Old Stock pair features a precise 2-5/8 inch inside diameter and a 4-7/16 inch outside diameter, designed for exact alignment in gearboxes, conveyors, and other demanding machinery. Made in the United States, this genuine Timken replacement is ideal for complete assemblies and reliable service life.
Constructed from high grade steel with Timken precision bearings, the cone and cup provide durable performance under tough operating conditions, reducing downtime and maintenance costs. Ready to install, this bearing set is a trusted solution for distributors and technicians seeking long lasting components for industrial applications. Part numbers 39590B and 39520, originated in Rochester, New York, United States. Whether rebuilding gearboxes or upgrading conveyors, this Timken cone and cup ensures smooth rotation and a precise fit as part of a complete Timken set.
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