Ball Bearings vs. Roller Bearings: Which One Does Your Application Actually Need?
Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,

Availability:
2 in stock
The Timken 387A-90315 Double Taper Roller Bearing Cone&Cup is a high-quality industrial bearing manufactured in the United States. With a bore diameter of 2-1/4 inches and an outer diameter of 3-15/16 inches, this tapered roller bearing cone is designed for reliable mechanical power transmission and industrial automation. Timken is a trusted brand known for producing durable and precision bearings, making this product a valuable component for various machinery and equipment applications.
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$733.60
2 in stock

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| MFR / Brand | Timken |
|---|---|
| MPN | 387A-90315 |
| Model | 387-A / 384-ED |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2-1/4 in |
| OD | 3.9370 in |
| Advertise | 1 |
|---|---|
| Condition | New – Open box |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 384ED |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Bearing Material | Case-Carburized Steel |
| Cone Part Number | 387A |
| Cone Width | 0.8660 in |
| Cone Backface To Clear Radius | 0.14 in |
| Cone Frontface Backing Diameter | 2.48 in |
| Effective Center Location | -0.19 in |
| Series | 385 |
| Cage Type | Stamped Steel |
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Both ball bearings and roller bearings serve the same fundamental purpose: reducing friction, supporting loads,
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When the original bearing is discontinued, not available or has a lengthy lead time, there
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