Engine bearings – essential for smooth operation
Engine bearings are precision components that support the crankshaft and other rotating elements inside the engine. They ensure minimal friction, absorb mechanical loads, and help maintain alignment under high stress. Whether used in industrial machinery, marine engines or stationary power units, engine bearings play a vital role in durability and performance.
Choose from following:
CYLINDRICAL ROLLER BEARING - 81934036018 suitable for MAN D engines
Precise Cylindrical Roller Bearing: Comparison Number 81934036018The cylindrical roller bearing, identified by the comparison number 81934036018, is a component designed for demanding applications. Weighing only 0.06 kg, this product is ideal for use in marine and stationary technology, providing optimal performance.Perfectly Suitable for MAN D EnginesOur cylindrical roller bearing is compatible with MAN D engines, making it a reliable replacement part. The quality and durability ensure that your engine operates exceptionally efficiently, even under extreme conditions. This OEM replacement part meets high standards and has been carefully tested to meet the demands of your machinery.
CYLINDRICAL ROLLER BEARING - 81934036017 suitable for MAN D engines
Cylindrical Roller Bearing – Your Reliable ComponentDiscover our cylindrical roller bearing with the comparison number 81934036017, a precise product from the bearings category. This OEM replacement part is suitable for MAN D engines and offers excellent performance in your application. Weighing only 0.055 kg, this replacement part is designed for various industrial engines and optimizes overall performance.Quality You Can Rely OnThe cylindrical roller bearing impresses with its outstanding features and provides you with the assurance that only OEM replacement parts can offer. This component, suitable for MAN D engines, is the perfect choice when it comes to reliability and durability in your application. Trust that our product meets the highest standards.
CYLINDRICAL ROLLER - 81934030025 suitable for MAN D engines
Optimal Performance with Cylindrical RollerDiscover the cylindrical roller with the comparison number 81934030025, the ideal OEM spare part for your needs. This product offers excellent precision and enhances the efficiency of your machines. Weighing just 0.01 kg, it is an essential component that significantly supports the functionality of engines.Compatibility and Quality of OEM Spare PartsOur cylindrical roller is suitable for MAN D engines, ensuring that your machines operate reliably. As an OEM spare part, the cylindrical roller meets the highest quality standards, which are crucial for the durability and performance of your engines. Rely on the quality you expect from professionally manufactured components.
CYLINDRICAL ROLLER - 81934030021 suitable for MAN D engines
Premium Cylindrical Roller for MAN D EnginesDiscover the cylindrical roller with the comparison number 81934030021, which is a top choice for your application. This product belongs to the group of bearings and is specifically designed to fit MAN D engines. Weighing only 0.005 kg, this OEM spare part combines lightness and robustness.Quality You Can Rely OnOur OEM spare parts offer an exact fit and optimal functionality for your engines. In direct comparison to aftermarket alternatives, which often do not provide the same performance, we ensure that our part meets the manufacturer's requirements. This component impresses with its durability and efficiency, which are essential for MAN D engines.
CYLINDRICAL ROLLER - 81934030010 suitable for MAN D engines
Cylindrical Roller with Comparison Number 81934030010Discover the cylindrical roller with the comparison number 81934030010, an essential component specifically designed to ensure maximum efficiency during engine maintenance. This cylindrical roller ensures that your machines run smoothly. It is suitable for MAN D engines and belongs to the article group of bearings, highlighting its applicability across various operations.OEM Spare Parts for Reliable Operation The cylindrical roller is an OEM spare part that provides the highest quality for your machines. Compared to aftermarket products, this OEM spare part offers superior fit and durability. Trust that it is suitable for MAN D engines to ensure your operations run optimally at all times.
CYLINDRICAL ROLLER - 81934030006 suitable for MAN D engines
Cylindrical Roller with Comparison Number 81934030006Discover the cylindrical roller with the comparison number 81934030006 – an essential OEM replacement part for the maintenance of your engines. This replacement part belongs to the group of bearings and ensures precise functionality. Weighing only 0.01 kg, the cylindrical roller is easy to handle and suited for demanding applications.Suitable for MAN D EnginesThis cylindrical roller is perfectly designed and compatible with MAN D engines, contributing to long-lasting efficiency. OEM replacement parts signify quality and reliability, making this product a smart choice for any professional who values precision.
- 81934020172 suitable for MAN D engines
Precise Product: Locating Bearing Ring for MAN D Engines Discover the locating bearing ring with the comparison number 81934020172, an excellent OEM replacement part designed for MAN D engines. This product belongs to the category Bearings and ensures reliable performance in your applications. This replacement part is certainly an ideal choice for your engines.Original Equipment Manufacturer Quality at Attractive Prices The locating bearing ring is distinguished by original equipment manufacturer quality, so you can be assured that you are purchasing a replacement part that is second to none. Enjoy cost-effective solutions that optimize your operating costs.
NEEDLE BEARING - 81934020168 suitable for MAN D engines
Precision and Quality of the Needle Bearing 81934020168Discover our needle bearing with the comparison number 81934020168, which is distinguished by excellent precision. This replacement part offers the highest reliability and ensures that your operation runs smoothly. Trust in quality backed by years of expertise.
NEEDLE BEARING - 81934020163 suitable for MAN D engines
High-Performance Needle Bearing for Your EnginesDiscover our needle bearing, designated with the comparison number 81934020163. This OEM replacement part is ideal for applications in diesel and gas engines, ensuring optimal performance. Our product stands out for its reliability and suitability for various engines.
NEEDLE BEARING - 81934020154 suitable for MAN D engines
Essential Needle Bearing for Your Engines Discover the needle bearing, an essential product marked with the comparison number 81934020154. This OEM spare part is indispensable for the optimal functionality of engines in challenging applications.
NEEDLE BEARING - 81934010071 suitable for MAN D engines
Quality Needle Bearing suitable for MAN D engines The needle bearing with the comparison number 81934010071 is an essential OEM spare part, precisely designed to fit various MAN D engines. This product ensures that your engines operate efficiently and reliably, meeting the highest quality standards.OEM Spare Parts for Your Engine Needs We offer a wide range of OEM spare parts that are suitable for well-known manufacturers such as MWM, Mercedes-Benz, Deutz, Volvo, and MTU. Our expertise of over 25 years assures you that all offered products, including the needle bearing, deliver top-notch performance.
NEEDLE BEARING - 81934010070 suitable for MAN D engines
Needle Bearings for MAN D Engines: Your SolutionThe needle bearing with the comparison number 81934010070 is an essential OEM spare part that is optimally suited for the requirements in marine and stationary applications. This product fits MAN D engines and offers the highest quality.Reliability and LongevityThis needle bearing meets the strict standards of OEM spare parts, providing you with confidence in your engine's performance. The comparison number 81934010070 ensures that this product fits perfectly with the engines and enhances their functionality.
NEEDLE BEARING - 81934010069 suitable for MAN D engines
Excellent Needle Bearing for Your NeedsDiscover our needle bearing, which is marked with the comparison number 81934010069. This product is an OEM replacement part specifically designed to ensure reliable performance for your engines. Count on the perfect fit and quality you expect from OEM replacement parts.Optimal Use in MAN D EnginesOur needle bearing is suitable for MAN D engines and supports the efficiency of your machinery. Rely on a product that meets the highest standards and benefits your operations.
NEEDLE BEARING - 81934010068 suitable for MAN D engines
Needle Bearing with Comparison Number 81934010068Our needle bearing with the comparison number 81934010068 is an indispensable OEM spare part, suitable for MAN D engines. This product ensures that your engines operate efficiently and run optimally. Trust in our expertise in the field of engines and discover the advantages that this needle bearing offers.
NEEDLE BEARING - 81934010067 suitable for MAN D engines
Needle Bearing with Comparison Number 81934010067Our needle bearing with the comparison number 81934010067 is a top-quality product suitable for MAN D engines. This OEM spare part meets the highest standards of performance and durability. At MOPA Motorparts, we exclusively offer products in original equipment manufacturer quality.Reliable Performance with OEM Spare PartsThe needle bearing offers a perfect fit and functionality. It is suitable for engines designed for MAN D engines. With our years of expertise in the distribution of OEM spare parts, we understand how important quality is for the performance of your engines.
NEEDLE BEARING - 81934010066 suitable for MAN D engines
Robust Needle Bearing for Reliable Engine ApplicationsThe needle bearing with the comparison number 81934010066 is an essential product, perfectly suitable for MAN D engines. With careful design, it ensures the necessary stability and durability required in challenging engine conditions.Ideal Fit and Highest PrecisionThis OEM replacement part impresses with its precise fit and is specifically designed for MAN D engines. With this needle bearing, you receive a product that meets the high standards of the replacement parts industry and ensures long-term performance of your engines.
NEEDLE BEARING - 81934010065 suitable for MAN D engines
Needle Bearing for Efficient Engine PerformanceDiscover our needle bearing, which is suitable for MAN D engines and bears the comparison number 81934010065. This product is a high-quality OEM replacement part and impresses with its outstanding quality and durability. Rely on the robust construction, specifically designed to optimize the performance of engines in marine and stationary applications.Optimal Fit for MAN D EnginesThe needle bearing ensures an optimal connection in your engine, suitable for MAN D. This makes it an essential component for reliable mechanics. Our offering includes only OEM replacement parts that meet the highest standards and enable smooth engine performance.
THRUST NEEDLE BEARING - 81934010064 suitable for MAN D engines
Precise Thrust Needle Bearing Suitable for MAN D Engines Discover the thrust needle bearing with the comparison number 81934010064, which has been specifically designed and categorized in the group of bearings. This product impresses with its excellent fit and is the ideal complement for MAN D engines.OEM Spare Parts of Proven Quality Our spare parts, such as the thrust needle bearing, stand for the highest precision. As a family-owned business in its second generation, we take pride in offering OEM spare parts that are subject to strict quality controls. Each product is carefully inspected to meet the needs of our customers.
THRUST NEEDLE BEARING - 81934010063 suitable for MAN D engines
Precise Thrust Needle Bearing with Comparison Number Discover our Thrust needle bearing with the comparison number 81934010063, designed to fit MAN D engines. This product belongs to the category "Bearings" and ensures optimal functioning of your engines. Quality and precision are assured to maximize performance under demanding conditions.Reliable OEM Replacement Parts for Your Needs This Thrust needle bearing is an OEM replacement part and offers perfect compatibility for your requirements. By using OEM replacement parts like this bearing, you can achieve reliability and durability in your engines. It is specifically designed for use in marine and stationary applications.
NEEDLE BEARING - 81934010060 suitable for MAN D engines
Reliable Needle Bearing: Your Ideal OEM Spare PartDiscover our needle bearing with the reference number 81934010060, which stands out as a premium product for your needs. This OEM spare part is perfectly suitable for MAN D engines and makes it easy to operate your machines efficiently and reliably. Weighing only 0.18 kg, it provides both lightweight and the necessary durability you expect from a high-quality component.Optimal Performance for MAN D EnginesThe needle bearing, compatible with MAN D, ensures outstanding performance of your engines. Each OEM spare part has been carefully inspected to meet the high standards of the industry. This way, you benefit from a sustainable solution that enhances the efficiency of your machines and reduces downtime.
BEARING - 81934010050 suitable for MAN D engines
Optimal Solution with Bearing Suitable for MAN D Our bearing with the comparison number 81934010050 provides a reliable solution for your engine requirements. This OEM spare part ensures a long lifespan and optimal performance, specifically tailored to your needs in marine and stationary applications. Weighing 1.54 kg, it is easy to handle and simple to install.
NEEDLE BEARING - 81934010018 suitable for MAN D engines
Exquisite Needle Bearing with Comparison Number 81934010018 Discover our needle bearing with the comparison number 81934010018, an essential product designed to be suitable for MAN D engines. This OEM spare part belongs to the category of "bearings" and has been specifically developed to provide high performance and reliability. Weighing 0.23 kg, it impresses with optimal handling and durability.
BEARING BUSHING - 81930210494 suitable for MAN D engines
Optimal Bearing Bushing for Reliable EnginesThe bearing bushing with the comparison number 81930210494 is an excellent OEM replacement part that can be found in the article group "Bearings." This product impresses with its precise fit and is indispensable for engines that demand optimal performance.Suitable for MAN D EnginesOur bearing bushing is designed to fit MAN D engines, providing an ideal solution for diesel and gas engines used in marine and stationary applications. With the comparison number 81930210494, you secure a product that meets the highest standards and keeps your machines operating efficiently.
BEARING BUSHING - 81930210458 suitable for MAN D engines
Premium OEM Replacement Part for EnginesDiscover the bearing bushing with the comparison number 81930210458, a top-notch OEM replacement part that ensures long-term performance in your engines. This bearing bushing impresses with precision and is essential for optimal functionality of your machines.
Function and benefits
An engine bearing serves as a smooth, low-friction surface between moving parts. It allows the crankshaft and connecting rods to rotate freely while maintaining precise clearance. High-quality motor bearings reduce wear, dampen vibrations and distribute engine loads evenly. The key benefits include:
- Reduced friction and heat in rotating assemblies
- Protection of crankshaft and connecting rods from wear
- Longer service life and improved engine reliability
In marine engines, marine bearings are specially designed to resist saltwater corrosion and operate under continuous heavy loads.
Types and applications
There are several types of engine bearings, including main bearings, rod bearings, camshaft bearings and thrust washers. Each has a specific function and must be matched precisely to the engine's design. Motor bearings are used in diesel and gas engines of all sizes – from locomotives to marine propulsion systems and industrial generators.
Marine bearings often feature additional coatings or use corrosion-resistant alloys to withstand harsh environments. Correct bearing selection and installation are crucial for preventing premature failure and avoiding costly engine repairs.
Materials and maintenance
Engine bearings are typically made of multi-layered materials such as steel, aluminum, copper-lead or tri-metal alloys. These materials combine strength with conformability and fatigue resistance. Proper lubrication is critical to prevent metal-to-metal contact and overheating.
We supply a wide range of engine bearings and matching components suitable for MTU, Deutz, MAN, Volvo Penta and MWM engines – with fast availability and OEM-quality for industrial and marine applications.
FAQ
What is an engine bearing?
An engine bearing is a precision part that supports rotating components like the crankshaft, allowing them to spin smoothly under load. It minimizes friction, controls motion and distributes force to protect critical engine parts.
How to replace engine bearings?
Replacing engine bearings typically requires engine disassembly. The crankshaft must be removed, old bearings extracted, and clearances measured precisely before installing new ones. Professional tools and technical knowledge are essential for a safe replacement.
Cost to replace engine bearings?
The cost to replace engine bearings varies depending on engine size, type, and labor. For industrial or marine engines, it can range from several hundred to several thousand euros, especially if crankshaft grinding or additional parts are required.
What are marine bearings?
Marine bearings are specially designed for use in ship engines and propulsion systems. They are built to handle constant load, vibration and corrosion caused by saltwater environments, and are essential for long-term marine engine reliability.