MERCURY 31-32898T Bearing Qty.

( Manufacturer Part Number: 31-32898T ), ( Part Type: Bearing )

Review MERCURY Bearing Assy Qty. Factory Part 32898t fits MARINE

The **Mercury 31-32898T Marine Bearing** is a high-performance, precision-engineered component designed specifically for Mercury outboard motors, ensuring optimal reliability, durability, and smooth operation in demanding marine environments. This bearing is part of the **32898T series**, a critical part of the motor s lower unit, where it plays a pivotal role in supporting the propeller shaft while withstanding the extreme forces generated during high-speed navigation, heavy loads, and prolonged exposure to saltwater corrosion. Constructed from **high-grade, corrosion-resistant materials**, including a robust steel housing and a specialized bearing insert, this component is engineered to endure the harshest conditions from deep-sea fishing excursions to recreational boating without compromising performance. The **32898T bearing** features a **sealed design** to minimize water ingress, reducing the risk of premature wear and extending the lifespan of the motor s internal components. Its precise tolerances and **ball-bearing construction** ensure minimal friction, allowing for effortless shaft rotation while maintaining structural integrity under high torque and vibration. Whether installed in a **400, 500, or 600-series Mercury outboard**, this bearing is a vital replacement part for maintaining peak efficiency, reducing unnecessary strain on the motor, and preventing costly failures. Ideal for both professional mariners and weekend enthusiasts, the **Mercury 31-32898T** exemplifies the brand s commitment to durability, performance, and long-term reliability in marine propulsion systems.

The **Mercury 31-32898T** (also referred to as the **32898T**) is a deep-groove ball bearing commonly used in marine outboard motors, particularly in older or high-performance models. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Mercury 31-32898T Bearing**

1. **Compatibility with Older Outboards**

The 32898T is a standard bearing size for many Mercury outboards, particularly those from the 1980s to early 2000s. If your motor requires this exact part, it ensures a precise fit without modifications.

2. **High Load Capacity**

As a deep-groove ball bearing, it is designed to handle radial and axial loads effectively. This makes it suitable for applications where the motor experiences vibration, shock, or heavy loads, such as in rough water or high-performance use.

3. **Durability in Marine Environments**

Marine bearings are typically made from corrosion-resistant materials like stainless steel or chrome-plated steel. The 32898T is likely designed to withstand saltwater exposure, though prolonged neglect can still lead to failure.

4. **Easy Replacement**

Many marine mechanics and DIYers are familiar with this bearing size, making it relatively straightforward to source and install. It is commonly available from marine parts suppliers, online retailers, and even salvage yards.

5. **Cost-Effective for Common Applications**

While not the cheapest bearing on the market, it is reasonably priced for its performance and widespread use. Replacement costs are often lower than premium bearings, making it a practical choice for budget-conscious boat owners.

6. **Proven Performance in High-Horsepower Motors**

Some high-performance outboards (e.g., older Mercury 150 400 HP models) rely on this bearing for smooth operation. If your motor is known to perform well with this part, it may be a reliable choice.

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### **Cons of the Mercury 31-32898T Bearing**

1. **Age-Related Wear and Availability**

As marine technology has advanced, newer outboards often use different bearing sizes or materials. The 32898T may be harder to find in newer models or from modern suppliers, requiring sourcing from specialty or used-parts dealers.

2. **Potential for Corrosion**

While marine bearings are designed to resist corrosion, saltwater and constant moisture can still degrade the bearing over time, especially if it is not properly lubricated or sealed. Older bearings may show signs of rust or pitting.

3. **Limited Lifespan in Harsh Conditions**

If the bearing is not regularly maintained (e.g., grease changes, inspection for wear), it may fail prematurely. High-speed or high-load applications can accelerate wear, leading to increased risk of seizure or failure.

4. **Compatibility Issues with Modern Outboards**

Newer Mercury outboards (post-2010s) often use updated bearing designs or hybrid bearing systems (e.g., sealed or grease-packed bearings) that may not be interchangeable with the 32898T. Attempting to use an older bearing in a newer motor could lead to improper fit or performance issues.

5. **Risk of Counterfeit or Low-Quality Parts**

Due to its popularity, the 32898T may be subject to counterfeit or substandard replicas, particularly when purchased from untrusted online sellers. These can fail quickly or cause damage to the motor. Always buy from reputable suppliers.

6. **Maintenance Dependency**

Unlike sealed bearings, the 32898T may require periodic greasing or inspection to ensure longevity. Neglecting maintenance can lead to increased friction, heat, and eventual failure.

7. **Potential for Overheating**

If the bearing is not properly lubricated or is subjected to excessive loads, it can overheat. Overheating can cause the grease to break down, leading to premature failure and potential damage to the motor s internal components.

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### **Conclusion**

The **Mercury 31-32898T bearing** is a reliable and widely used part for older or specific marine outboards, offering strong load-bearing capacity and compatibility with many classic models. Its pros such as ease of replacement, durability in marine environments, and cost-effectiveness make it a practical choice for boat owners maintaining vintage or high-performance outboards. However, its cons including potential corrosion, limited availability for newer motors, and maintenance requirements must be carefully considered. If your motor is designed to use this bearing and it is sourced from a trusted supplier, it can be a solid long-term solution. For newer outboards or high-end applications, however, newer bearing technologies may offer better performance and longevity.

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### **Recommendation**

1. **Verify Compatibility**: Confirm that your specific outboard model (including year and horsepower) requires the 32898T bearing. Consult your motor s service manual or a marine mechanic to avoid mismatches.

2. **Source from Reputable Suppliers**: Purchase the bearing from authorized marine parts dealers, OEM suppliers, or well-reviewed online retailers to avoid counterfeit or low-quality parts.

3. **Prioritize Maintenance**: If using this bearing, ensure regular inspections and greasing (every 50 100 hours of use or as recommended by the manufacturer). Replace it if you notice excessive play, noise, or overheating.

4. **Consider Upgrades for Newer Motors**: If your outboard is relatively new, explore modern bearing options that may offer improved sealing, lubrication, or corrosion resistance.

5. **Budget for Replacement**: Account for the cost of the bearing, installation labor (if applicable), and potential additional maintenance (e.g., grease, seals) to extend its lifespan.

**Final Verdict**: The Mercury 32898T is a **good choice for older or compatible outboards** where it is the specified part, provided it is properly maintained. For newer or high-performance motors, evaluate whether newer bearing technologies align better with your needs. Always weigh the trade-offs between cost, availability, and long-term reliability.

Details:

2 Make: MERCURY Part #: 31-32898T, This is a band new part in factory packaging.

part #: 3132898t prices

• $20.23-$31.95

specifications ouboaen:

• for models: Marine
• for makes: Mercury
• mpn: 31-32898t
• part type: Bearing

offer ouboaen:

• sold: 0
• started: February 3, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True

returns ouboaen:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments ouboaen:

• wallet: Paypal
• credit card: Mastercard
• other

general ouboaen:

• Boat Parts > Outboard Engines Components > Other
• condition: New

seller ouboaen:

• rating: 94.1%
• city: Sale Creek, Tennessee
• # reviews: 2719

shipping ouboaen:

• service: USPS First Class, FedEx Ground / FedEx Home Delivery, UPS Ground
• cost: $8.95
• class: Standard
• transit: 4-10 Days
• type: Fixed
• carrier: USPS, FedEx, UPS

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