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Experience seamless and reliable power transmission with the 31-01818 U-Joint Bearing. This essential component is engineered to facilitate the smooth movement of driveshafts in marine applications, allowing for changes in angle and orientation without compromising power delivery. Built with high-grade materials and precision manufacturing, this U-joint bearing ensures durability and consistent performance even under demanding conditions.
The 31-01818 U-Joint Bearing is a critical link in the drivetrain of many marine vessels. Its primary function is to connect two rotating shafts that are not in alignment, enabling the transfer of rotational power while accommodating the necessary angular changes. This is fundamental for the operation of sterndrives and inboard engines where the driveshaft must connect to the transmission or stern drive unit at an angle. The bearing's design ensures that the rotational speed remains constant, preventing vibrations and inefficiencies that could arise from a less precise component. Its robust build quality means it can handle the significant torque and stress encountered during acceleration, cruising, and maneuvering.
When maintaining your marine drive system, the quality of each component is paramount. The 31-01818 U-Joint Bearing is a prime example of a part where reliability is non-negotiable. Its ability to withstand constant flexing, high torque loads, and exposure to water, salt, and debris makes it a vital piece of equipment. By ensuring this bearing is in excellent condition, you prevent potential catastrophic failures of the entire drivetrain, saving on costly repairs and ensuring your vessel remains operational. This U-joint bearing is designed for longevity and performance, offering boat owners peace of mind and a dependable connection for their engine's power.
| Specification | Value |
|---|---|
| Part Number | 31-01818 |
| Manufacturer | Mercury Marine (likely) |
| Type | U-Joint Bearing |
| Material | Hardened Steel |
| Bearing Diameter (Cap) | Approximately 1.1875 inches (30.16 mm) |
| Bearing Width | Approximately 2.75 inches (69.85 mm) |
| Overall Length (yoke to yoke) | Varies based on application, typically around 4-5 inches for the bearing assembly itself. |
| Weight | Approximately 1.5 lbs |
| Compatibility | Commonly used in Mercury/Mariner sterndrive and inboard applications (specific models vary). |
| Lubrication | Requires proper greasing for optimal performance and longevity. |
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