MERCURY Race Bearing 745061450929 31-861791

( Manufacturer Part Number: 861791 ), ( Part Type: Bearing ), ( Warranty: 1 Year ), ( Gender: Unisex ), ( UPC: 745061450929 )

Review MERCURY Race bearing fits MERCRUISER

The Mercury 861791 Mercruiser Race-Bearing is a high-performance component designed specifically for high-speed and heavy-duty applications. This race bearing is engineered to deliver exceptional durability and reliability, making it an ideal choice for powerboat racers and other high-performance applications.

The Mercury 861791 Race-Bearing is a 31-element bearing, which means it features 31 individual rollers. This design provides superior load capacity and reduces friction, resulting in increased power output and improved engine performance. The bearings are made from premium materials, including chrome steel races and high-carbon, low-lead rollers. This combination ensures that the bearings can withstand the extreme loads and temperatures encountered in high-performance applications.

The race bearing also features a unique sealing system, which includes a labyrinth seal and an oil slinger. The labyrinth seal provides an effective barrier against water and contaminants, while the oil slinger ensures that the bearing is continuously lubricated with clean oil. This helps to prolong the life of the bearing and reduce the risk of engine damage.

The Mercury 861791 Race-Bearing is designed to fit Mercury and Mariner outboard engines with a crankshaft size of 1.75 inches. It is important to note that this bearing is intended for high-performance applications only and should not be used in standard or recreational applications.

Installing the Mercury 861791 Race-Bearing requires specialized tools and knowledge, and it is recommended that the installation be performed by a qualified technician. Proper installation is essential to ensure that the bearing functions correctly and provides the expected performance benefits.

In summary, the Mercury 861791 Mercruiser Race-Bearing is a high-performance component designed for high-speed and heavy-duty applications. It features a 31-element design, premium materials, and a unique sealing system, which together provide exceptional durability, reliability, and performance. This bearing is intended for use in Mercury and Mariner outboard engines with a crankshaft size of 1.75 inches, and it requires specialized installation.

Mercury 861791 Mercruiser Race-Bearing: A Detailed Analysis

The Mercury 861791 Mercruiser race-bearing is a popular choice among high-performance boat owners. This bearing is specifically designed for racing applications and promises enhanced durability and performance. In this analysis, we will discuss the key features, advantages, and disadvantages of the Mercury 861791 Mercruiser race-bearing.

1. Forged steel construction: The race-bearing features a forged steel design for increased strength and durability.

2. Thrust Washer: The bearing comes with a high-performance thrust washer that ensures a tight seal and reduced friction.

3. Precision machining: The bearing is precision-machined to ensure a perfect fit and optimal performance.

1. Enhanced durability: The forged steel construction and high-performance materials used in the race-bearing make it more resilient to the harsh conditions of racing.

2. Improved performance: The reduced friction and tight seal provided by the thrust washer result in improved engine performance.

3. Reduced maintenance: The enhanced durability of the race-bearing reduces the need for frequent maintenance, saving boat owners time and money.

1. Higher cost: The Mercury 861791 Mercruiser race-bearing is more expensive than standard bearings due to its high-performance design and materials.

2. Not suitable for non-racing applications: The race-bearing is specifically designed for racing applications and may not provide the same benefits in non-racing applications.

The Mercury 861791 Mercruiser race-bearing is a high-performance component designed for racing applications. Its forged steel construction, precision machining, and high-performance thrust washer make it more durable and provide improved performance compared to standard bearings. However, its higher cost and limited applicability make it a less viable option for non-racing applications.

If you are a competitive boat racer, the Mercury 861791 Mercruiser race-bearing is an excellent investment for enhanced durability, improved performance, and reduced maintenance. However, if you are a recreational boat owner, a standard bearing may be a more cost-effective and suitable option for your needs.

Details:

Race-Bearing: This item for sale is a Mercury Marine Race-Bearing. Mercury Marine PN: 861791Fits: BRAVO ONE S/N: 0M100001 THRU 0W249999, 0W250000 Up, THREE TWO X XR 0L914990 0W239999, 0W240000 SPORTMASTER 0M052945 0M906877, 0M906878 XZ 0M999999, HI PERFORMANCE TRANSOM 0W150003 INTEGRATED 0M052768 ALL 0M052767. The most complete kit on the market. Nobody comes close.

Phantom Black Spray Paint.

part #: 861791 prices

• $39.98-$147.96

specifications otsterndriv:

• for models: Mercruiser
• for makes: Mercury
• mpn: 861791
• part type: Bearing
• warranty: 1 Year
• gender: Unisex
• upc: 745061450929

general otsterndriv:

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

shipping otsterndriv:

• class: Expedited
• type: Fixed
• service: Expedited
• cost: $0.00
• transit: 3-7 Days

seller otsterndriv:

• rating: 98.6%
• # reviews: 135779
• city: Worcester, Massachusetts

payments otsterndriv:

• credit card: Mastercard
• wallet: Paypal
• other

returns otsterndriv:

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

offer otsterndriv:

• options: Ship-to-home
• started: March 26, 2025
• availability: In Stock
• quantity: 2
• sold: 0

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