Crankshaft bearings play a vital role in internal combustion engines, supporting the crankshaft and enabling smooth, stable rotation under extreme pressure and high-speed conditions. As a core component of engine function, these bearings must deliver outstanding precision, durability, and thermal resistance.
Key Design Features of Crankshaft Bearings
Crankshaft bearings—commonly known as main bearings and connecting rod bearings—are engineered with the following characteristics:
- High Load-Bearing Capacity: Constructed from high-strength alloy steel, copper-lead, or tri-metal materials to endure intense combustion and rotational stress.
- Superior Heat Dissipation: Designed with integrated oil grooves and coatings to promote effective lubrication and thermal management, preventing overheating and engine damage.
- Precision Tolerances: Manufactured to tight dimensional standards to ensure minimal friction, low vibration, and extended service life at high RPMs.
- Corrosion and Wear Resistance: Advanced surface treatments protect against oil contamination, corrosion, and abrasion in demanding operating environments.
- Flexible Fitment: Available in standard, oversized, and undersized dimensions to accommodate various engine models and rebuilds.
Applications Across Industries
Crankshaft bearings are critical to the performance and longevity of engines in a wide range of industries:
- Automotive: Used in gasoline and diesel engines for cars, trucks, and commercial vehicles.
- Marine: Provide long-term performance in high-load boat and ship engines.
- Power Generation: Ensure stable and efficient operation in industrial generator sets.
- Agriculture: Deliver durability in tractors, harvesters, and other farm machinery.
- Construction: Support reliable torque delivery in heavy-duty equipment such as excavators and loaders.
Why Choose Xinbote Bearing Co., Ltd.
At Xinbote Bearing Co., Ltd., we are committed to delivering high-quality crankshaft bearings that meet global standards and diverse customer needs. We proudly supply products from world-leading bearing brands, including:
- SKF
- NSK
- TIMKEN
- NACHI
- NTN
- IKO
- KOYO
- ASAHI
As an authorized distributor, we guarantee authenticity and performance. Moreover, our advanced manufacturing facilities allow us to offer OEM and custom solutions tailored to specific engine configurations and operational requirements.
Global Reach & Custom Engineering
Xinbote operates a state-of-the-art production base covering over 20,000 square meters, supported by automated lines, comprehensive testing equipment, and ISO-certified quality systems. Our bearings are trusted by clients in Europe, Asia, and the Americas, across automotive, industrial, marine, and construction sectors.
Whether you require standard crankshaft bearings or customized bearing solutions, Xinbote is your reliable global partner.