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Main Bearings & CR Bearings

Main Bearings & CR Bearings

Main and connecting rod bearings are critical components in an engine’s lubrication system. They support the crankshaft and connecting rods, reducing friction and wear. High-quality bearings ensure smooth engine operation, improved fuel efficiency, and extended engine life. Regular inspection and replacement of worn-out bearings are essential.By using high-quality bearings, you can significantly improve your engine’s performance and reliability. A well-lubricated engine operates more efficiently, reducing fuel consumption and harmful emissions. Investing in quality bearings is a wise decision that can save you money in the long run.Additionally, regular maintenance and proper lubrication are crucial for the longevity of your engine’s bearings. By following recommended maintenance schedules and using high-quality lubricants, you can ensure optimal performance and minimize the risk of premature failure.

Unleash the Power of Your Engine

Key Features

  • 1. Precision Engineering: Manufactured to exacting tolerances for optimal performance, ensuring reliability in critical applications.
  • 2. Superior Materials: Constructed from high-quality materials to withstand extreme conditions and deliver long-lasting performance.
  • 3. Reduced Friction: Minimized friction and heat generation for improved engine efficiency and lower maintenance costs.
  • 4. Enhanced Durability: Designed to withstand heavy loads and prolonged use, offering unmatched resilience in demanding environments.
  • 5. Quiet Operation: Reduced noise and vibration for a smoother engine experience, enhancing user comfort and satisfaction.
Precision Engineered for Optimal Performance

Technical Specification

  • 1. Material: High-quality alloy steel, designed for superior strength and resistance to wear and tear, ensuring reliable performance under extreme conditions.
  • 2. Tolerance: Precision-engineered to exacting tolerances, delivering consistent and dependable results in critical applications.
  • 3. Hardness: Optimized hardness for durability and longevity, capable of withstanding heavy loads and high-stress environments.
  • 4. Finish: Smooth surface finish for reduced friction and improved energy efficiency, contributing to a longer lifespan of the product.
  • 5. Compatibility: Compatible with various engine models and applications, making it a versatile solution for different industries.
Everything You Need to Know

Frequently Asked Questions (FAQ)

What is the importance of main and connecting rod bearings ?

Main and connecting rod bearings are crucial for engine performance and longevity. They reduce friction, absorb shock, and prevent metal-to-metal contact between moving parts, ensuring smooth and efficient engine operation.

The replacement interval for engine bearings varies depending on factors such as driving conditions, oil quality, and maintenance practices. It’s generally recommended to consult your vehicle’s owner’s manual or seek professional advice for specific recommendations.

Replacing engine bearings is a complex task that requires specialized tools and expertise. It’s best left to qualified mechanics to ensure proper installation and avoid potential damage to the engine.

Signs of worn-out bearings include unusual engine noises, increased vibration, decreased engine performance, and excessive oil consumption. If you notice any of these symptoms, it’s important to have your engine inspected by a professional.

Several factors can affect the lifespan of engine bearings, including oil quality, oil pressure, engine temperature, driving conditions, and maintenance practices. Using high-quality oil, maintaining proper oil pressure, and avoiding extreme operating conditions can help prolong the life of your engine’s bearings.

Main Bearing Set Table
Bearing Type OE Part No Engine Model
Main Bearing Set 3802010 / 4955855 4BT
3802070 / 4955853 6BT
3802210 / 3945917 6CT / QSL9 / QSC8.3
3801260 NT855 / N14
AR4220 / 4911903 VT28
4955352 / 4955160 QSB6.7
4025120 L10 / M11
AR12270 KT19 / QSK19
AR12250 KT38
3018210 KT50
3800298 QSX15 / ISX15
4095973 / 4376517 QSK23
3804713 QST30
3800610 / 3800930 / 4024797 QSK45
CUMMINS ENGINE CONNECTING ROD BEARINGS
Bearing Type OE Part No Engine Model
Connecting Rod Bearing 3969562 / 4893693 4BT / 6BT / QSB6.7
3950661 / 3966244 6CT / QSL9 / QSC8.3
214950 / 3055145 NT855
3055145 N14
200600 VT28
3055145 QSB6.7
3016760 L10 / M11
205840 KT19 / QSK19
3047390 KT38 / KT50
3686435 / 3686436 / 2882087 QSX15 / ISX15
4095492 / 4095985 QSK23
3092940 / 4067877 / 4024422 QST30
3800080 QSK45
3800060 QSK60