KING BEARING MB7119SI Set Silicon

( Brand: King Bearing ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: MB7119SI ), ( Type: Engine Crankshaft Main Bearing Set )

Review KING BEARING Main Set Bi metal Silicon Aluminum

Introducing the King Bearings MB719SI Set, a premium bi-metal silicon bearing designed to deliver exceptional performance for skateboarders and longboarders. This set includes four bearings, providing you with a complete replacement solution for your setup.

The MB719SI bearings are engineered with a unique bi-metal design, combining the benefits of both steel and silicon. The inner ring is made of high-quality, hardened steel, which ensures durability and strength. The outer ring, on the other hand, is made of silicon, a material known for its low rolling resistance and smoothness. This combination results in a bearing that offers excellent speed, reduced friction, and increased durability compared to traditional bearings.

Each bearing in the set features a size of 8mm x 22mm and an ABEC 9 rating, which is the highest rating for precision bearings. This rating indicates that the bearing meets the most stringent manufacturing tolerances, ensuring optimal precision and consistency in its performance. The bearings also come with an IPX7 water resistance rating, providing protection against water, dust, and debris.

The MB719SI bearings from King Bearings are pre-lubricated with Speed Cream, a high-performance lubricant that provides long-lasting protection and reduces the need for frequent re-lubrication. The bearings also feature large, shielded labyrinth seals that protect the bearing from contaminants while allowing easy maintenance.

Installing the MB719SI bearings is a breeze, thanks to their standard 8mm x 22mm size and the inclusion of spacers and speed rings in the package. The bearings are also compatible with most skateboard and longboard configurations, making them a versatile choice for any setup.

In summary, the King Bearings MB719SI Set offers a superior skateboarding and longboarding experience with its bi-metal silicon design, high-precision ABEC 9 rating, and long-lasting Speed Cream lubricant. These bearings are an excellent investment for any enthusiast looking to improve their performance on the board while ensuring durability and reliability.

Pros and Cons of buying a King Bearings MB7119SI Set: Bi-Metal Silicon Bearings

a. Improved Performance: Bi-metal silicon bearings offer better rolling resistance and durability compared to traditional steel bearings. They are also more resistant to corrosion and wear, making them an excellent choice for high-performance applications.

b. Reduced Friction: The silicon balls in these bearings have a lower coefficient of friction than steel balls, resulting in smoother operation and reduced energy loss.

c. Quieter Operation: Bi-metal silicon bearings produce less noise during operation due to their superior design and materials. This is a significant advantage for those who prefer a quieter riding experience.

d. Longer Lifespan: The combination of bi-metal and silicon in these bearings enhances their overall durability and longevity, allowing them to last longer than standard bearings.

e. Wide Compatibility: The King Bearings MB7119SI set is compatible with a wide range of applications, including skateboards, longboards, rollerblades, and other wheeled devices.

a. Higher Cost: Bi-metal silicon bearings tend to be more expensive than their steel counterparts due to the advanced materials and manufacturing processes involved in their production.

b. Requires Proper Installation: Proper installation of these bearings is crucial to ensure optimal performance and longevity. Improper installation can lead to increased wear, noise, and reduced rolling efficiency.

c. Not Ideal for Heavy-Duty Use: While bi-metal silicon bearings are more durable than standard bearings, they may not be suitable for extremely heavy-duty applications, such as industrial equipment or high-impact sports.

The King Bearings MB7119SI set offers several advantages over traditional steel bearings, including improved performance, reduced friction, quieter operation, and longer lifespan. However, these benefits come at a higher cost, and proper installation is essential to ensure optimal performance. For those seeking a high-quality, durable, and quieter bearing option for their wheeled devices, bi-metal silicon bearings like the King Bearings MB7119SI set are an excellent choice.

If you're looking for a premium, high-performance bearing option for your skateboard, longboard, rollerblades, or other wheeled device, the King Bearings MB7119SI set is an excellent choice. Its bi-metal and silicon construction delivers improved performance, reduced friction, quieter operation, and longer lifespan compared to standard steel bearings. However, be prepared to pay a higher price for these advanced bearing features and ensure proper installation for optimal performance.

Details:

This part fits vehicles made in the following years Null. Engine Crankshaft Main Bearing Set.

part #: mb7119si prices

• $101.55-$135.98

specifications engibearing:

• brand: King Bearing
• manufacturer warranty: 1 Year
• manufacturer part number: MB7119SI
• type: Engine Crankshaft Main Bearing Set

payments engiBearing:

• other
• credit card: Mastercard
• wallet: Paypal

seller engiBearing:

• rating: 98.7%
• # reviews: 11795
• city: Los Angeles, California

general engiBearing:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings

returns engiBearing:

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

offer engiBearing:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: October 17, 2025

shipping engiBearing:

• type: Fixed
• service: USPS Ground Advantage, USPS Priority Mail, UPS 2nd Day Air, UPS Next Day Air Saver
• class: Standard, Expedited, One-day
• carrier: USPS, UPS
• cost: $0.00
• transit: 4-8 Days

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