JOHNSON DURAMAX 870404100 Cutless Bearing 40MM 55MM 160MM

( Brand: Johnson Duramax ), ( Part Type: Bearing Metric ), ( Manufacturer Part Number: 870404100 )

Review JOHNSON DURAMAX Metric Cutless Bearing 40mm 55mm 160mm New fits MARINE

The Johnson Duramax 870404100 Marine Cutless Bearing is a crucial component in the propulsion system of your marine vessel, designed to minimize vibration and reduce the load on the engine and shaft. This bearing is specifically engineered for applications where a large propeller is used, making it an excellent choice for larger boats and commercial vessels.

Measuring 40mm in width, 55mm in length, and 160mm in outside diameter, this bearing is a key component in the marine propulsion system. The dimensions allow it to effectively support the large loads and torque generated by the propeller, ensuring efficient and smooth power transfer from the engine to the water.

The Johnson Duramax 870404100 Marine Cutless Bearing is manufactured using high-quality materials, including a durable bronze alloy for the bearing shell and a tough, corrosion-resistant brass for the bearing retainer. This combination of materials provides exceptional strength and durability, ensuring the bearing can withstand the rigors of marine environments.

The bearing features a self-aligning design, which allows it to compensate for misalignments between the engine and shaft, reducing the risk of damaging vibrations and ensuring optimal performance. Additionally, the bearing has a large contact surface area, which helps distribute the load evenly across the bearing and minimizes the risk of wear and tear.

The Johnson Duramax 870404100 Marine Cutless Bearing is easy to install and replace, with a simple bolt-on design that allows for quick removal and installation. The bearing also includes a grease fitting, which makes it easy to lubricate the bearing and ensure it stays well-lubricated for optimal performance.

In summary, the Johnson Duramax 870404100 Marine Cutless Bearing is an essential component for any marine propulsion system where a large propeller is used. Its durable design, self-aligning capabilities, and large contact surface area make it an effective and efficient solution for reducing vibration and minimizing the load on the engine and shaft. With its easy installation and replacement process, this bearing is a reliable and long-lasting investment for your marine vessel.

Pros and Cons of Buying a Johnson Duramax 870404100 Marine Cutless Bearing

The Johnson Duramax 870404100 Marine Cutless Bearing is a critical component for the propeller shaft system in marine applications. This part is designed to reduce the vibration and noise produced by the engine and propeller. In this article, we will discuss the advantages and disadvantages of purchasing this marine cutless bearing.

1. Reduces Vibration and Noise: The primary function of a cutless bearing is to minimize the vibration and noise produced during boat operation. By reducing these issues, the overall riding experience is more comfortable and enjoyable for passengers.

2. Extended Shaft Life: Properly functioning cutless bearings help to distribute the load evenly across the propeller shaft. This even distribution reduces the stress on the shaft, leading to a longer lifespan.

3. Improved Fuel Efficiency: Reduced vibration and noise can contribute to improved fuel efficiency. This is because the engine doesn't have to work as hard to overcome the unwanted forces produced by excessive vibration.

4. Easy Installation: The Johnson Duramax 870404100 Marine Cutless Bearing is designed with a user-friendly installation process. It comes with clear instructions and requires minimal tools, making it an accessible upgrade for boat owners.

1. Cost: The Johnson Duramax 870404100 Marine Cutless Bearing may be considered an expensive upgrade for some boat owners. However, considering the potential benefits, such as extended shaft life and improved fuel efficiency, the investment could pay off in the long run.

2. Potential for Water Intrusion: Marine environments are susceptible to water intrusion, which can affect the performance and lifespan of the cutless bearing. Regular maintenance and proper sealing are crucial to prevent water damage.

3. Limited Availability: Depending on the location and availability, it may be challenging to find a local supplier for this specific marine cutless bearing. Online retailers and marine parts stores are reliable sources for obtaining the part.

The Johnson Duramax 870404100 Marine Cutless Bearing is a valuable investment for boat owners seeking a more comfortable and efficient boating experience. While it may come with a higher cost and potential challenges related to water intrusion and availability, the benefits, such as reduced vibration and noise and extended shaft life, make it a worthwhile upgrade.

For boat owners considering purchasing the Johnson Duramax 870404100 Marine Cutless Bearing, it is recommended to carefully consider the potential benefits and drawbacks. Prospective buyers should also ensure that they have access to the necessary resources for installation, maintenance, and sealing to maximize the lifespan and performance of the part. Ultimately, the decision to invest in this marine cutless bearing depends on the individual's priorities and budget.

part # 870404100 prices

• $79.95-$450.00

specifications dorycontrol:

• for models: Marine
• for makes: Johnson
• brand: Johnson Duramax
• part type: Bearing Metric
• manufacturer part number: 870404100

shipping dorycontrol:

• cost: $0.00
• class: Economy, Expedited, One-day
• type: Fixed
• service: Economy, Expedited, Overnight
• transit: 4-9 Days

seller dorycontrol:

• # reviews: 4424
• rating: 100.0%

payments dorycontrol:

• wallet: Apple-pay
• other
• credit card: Visa

general dorycontrol:

• Parts Accessories > Boat Parts > Controls Steering
• condition: New other see details

returns dorycontrol:

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

offer dorycontrol:

• started: November 10, 2025
• sold: 0
• quantity: 2
• availability: In Stock
• options: Ship-to-home

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