1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
  2. sku: 4378408919805713
  3. JOHNSON DURAMAX MARINE 144389-000

JOHNSON DURAMAX MARINE 144389-000 Cutless Bearing 870404100 40X55X160MM

fits make: Johnson.

144389-000 Johnson Duramax Marine #870404100 Brass Cutless Bearing 40x55x160mm

( Brand: Johnson Duramax Marine ), ( Manufacturer Part Number: 144389-000 ), ( Part Type: Bearing )

Review JOHNSON DURAMAX MARINE #870404100 Brass Cutless Bearing 40x55x160mm

The Johnson Duramax Marine 144389-000 870404100 Cutless Bearing is a high-performance component designed specifically for marine applications. This bearing measures 40mm in width, 55mm in length, and 160mm in height, making it an ideal fit for various marine propulsion systems.

The Cutless Bearing is manufactured using top-tier materials to ensure durability, reliability, and resistance to the harsh marine environment. It is made from a strong, corrosion-resistant bronze alloy, which provides superior strength and wear resistance. The bearing also features a high-quality, self-lubricating material for the bearing surfaces, which minimizes the need for regular maintenance and reduces the risk of downtime due to lubrication issues.

The Cutless Bearing is specifically designed to reduce cavitation and vibration, which are common issues in marine propulsion systems. Its unique design includes a tapered bore and a tapered thrust collar, which help to distribute the load evenly and reduce the stress on the bearing. Additionally, the bearing's cutless feature helps to reduce the drag on the propeller, which can improve efficiency and reduce fuel consumption.

The Johnson Duramax Marine 144389-000 870404100 Cutless Bearing is easy to install, and it comes with all necessary hardware and instructions for a straightforward installation process. It is compatible with various marine propulsion systems, making it a versatile and valuable addition to any marine application.

In summary, the Johnson Duramax Marine 144389-000 870404100 Cutless Bearing is a high-performance, reliable, and durable component designed for marine applications. Its unique design helps to reduce cavitation, vibration, and drag, which can improve efficiency, reduce fuel consumption, and minimize the need for maintenance. It is made from strong, corrosion-resistant materials and features self-lubricating bearing surfaces for long-lasting performance and ease of use.

The Johnson Duramax Marine 144389-000 870404100 Cutless Bearing 40x55x160mm is a crucial component for marine propulsion systems. It is designed to reduce vibration and noise by allowing the drive shaft to turn freely. Here are some pros and cons of buying this particular cutless bearing:

Pros:

1. High-quality material: This cutless bearing is made of bronze, which is a durable material that can withstand the harsh marine environment.

2. Precision manufacturing: The bearing is manufactured to tight tolerances, ensuring a proper fit and smooth operation.

3. Reduces vibration and noise: By allowing the drive shaft to turn freely, this cutless bearing helps to reduce vibration and noise, making for a more comfortable and quiet ride.

4. Long-lasting: The bronze material is known for its longevity, making this cutless bearing a good investment for those who use their boats frequently.

Cons:

1. Cost: This cutless bearing is more expensive than some other options on the market.

2. Installation: Installing a cutless bearing can be a complex process, and it may require specialized tools and knowledge.

3. Availability: This particular cutless bearing may not be readily available at all marine supply stores, so it may need to be ordered online or through a specialized supplier.

Conclusion:

The Johnson Duramax Marine 144389-000 870404100 Cutless Bearing 40x55x160mm is a high-quality component that can help to reduce vibration and noise in marine propulsion systems. While it may be more expensive than some other options, its durability and precision manufacturing make it a worthwhile investment for those who use their boats frequently. Installing the bearing may require specialized knowledge and tools, but the long-lasting nature of the product makes it a sound investment in the long run.

Recommendation:

If you are in the market for a new cutless bearing for your marine propulsion system, the Johnson Duramax Marine 144389-000 870404100 Cutless Bearing 40x55x160mm is a great option to consider. Its high-quality materials, precision manufacturing, and long-lasting nature make it a sound investment for those who use their boats frequently. While it may require some specialized knowledge and tools for installation, the benefits of a quieter, smoother ride make it well worth the effort.

Details:

Metric measurements. Shaft Diameter mm: 40, Outside 55, length 160, Metal Thickness 3.07, Gross Weight lb.: 1.8, kg.: 0.8 Johnson Cutless Naval Brass Sleeve Bearing. MFG#: 870404100. Made in the USA.

part #: 144389000 price

  • $76.50

specifications otsterndriv:

  • for makes: Johnson
  • brand: Johnson Duramax Marine
  • mpn: 144389-000
  • part type: Bearing

returns otsterndriv:

  • policy: No Returns

shipping otsterndriv:

  • class: Standard
  • carrier: USPS
  • transit: 8-12 Days
  • type: Calculated
  • service: USPS Ground Advantage
  • cost: $9.06

seller otsterndriv:

  • rating: 96.2%
  • city: Miami, Florida
  • # reviews: 40

offer otsterndriv:

  • quantity: 2
  • started: November 6, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • best offers: True

general otsterndriv:

  • Boat Parts > Sterndrive Motors Components > Other
  • condition: New

payments otsterndriv:

  • other
  • credit card: Mastercard
  • money order
  • wallet: Google-pay
for makes: johnson, part type: bearing,
category: boat parts > sterndrive components, sku: 4378408919805713,
Johnson Duramax Marine 144389-000 Is Similar To:
otsterndriv logo
1 offer $76.50 USD
  • New other (see details). Offer #1 priced at $76.50 + $19.45 shipping estimate = $95.95* total. +$19.45 shipping

Copyright © otsterndriv.com