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:
3 in stock
Discover the Timken 52387/52618 Taper Roller Bearing Cone and Cup, crafted to deliver exceptional reliability and performance for your machinery. With a precise 3-7/8″ inner diameter and a robust 6-3/16″ outer diameter, this tapered roller bearing is specifically designed to withstand heavy loads while providing smooth rotational movement. Why Choose Timken? As a trusted brand in the bearing industry, Timken ensures that you receive high-quality products manufactured in the USA. The 52387/52618 model is ideal for various applications, making it a versatile choice for both industrial and commercial use. Each component of this bearing has been tested for durability and efficiency. The open box condition ensures that you are receiving an unused product, ready to enhance your operations without any delays. We offer competitive pricing and are committed to customer satisfaction. Enjoy international shipping on every item and take advantage of combined shipping for multiple orders. With same day shipping available, you can count on us for timely delivery, with next day shipping options during checkout for urgent needs. Do not hesitate to reach out if you require assistance. We are here to help you find all the parts you need, ensuring a seamless purchasing experience. Elevate your equipment’s performance with Timken’s reliable taper roller bearing today!
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| MFR / Brand | Timken |
|---|---|
| MPN | 52387/52618 |
| Model | 52387 52618 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 3.8750 in |
| OD | 6.1875 in |
| Advertise | 1 |
|---|---|
| Condition | New โ Open box |
| Harmonization Code | 8482.2 |
| Cup Part Number | 52618 |
| Design Units | Imperial |
| Bearing Class | Class 2 |
| Bearing Material | Case-Hardened Steel |
| Cup Width | 1.1250 in |
| Cup Backface To Clear Radius | 0.13 in |
| Cone Part Number | 52387 |
| Cone Width | 1.4219 in |
| Cone Backface To Clear Radius | 0.14 in |
| Cone Frontface Backing Diameter | 4.33 in |
| Cup Frontface Backing Diameter | 5.91 in |
| Cage Cone Frontface Clearance | 0.08 in |
| Cage Cone Backface Clearance | 0.14 in |
| Effective Center Location | -0.32 in |
| Series | 52000 |
| Cage Type | Stamped Steel |
New plants don’t run themselves โ and the American Manufacturing
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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