❓ The Problem:
Inconsistent bearing quality causing unplanned machine downtime and high warranty return rates.
✅ Our Solution Since 2004:
We manufacture 100 million precision bearings annually across 100 automated production lines — every batch tested for noise, vibration, and dimensional accuracy before shipping.
Result: 0.12% global return rate (industry average: 0.5-1.2%).
Was Established In
production lines
annual production(millions)
A Reliable Bearing Manufacturer You Can Trust
100% inspected — every batch undergoes dimensional accuracy, noise (dBA), and vibration (V1~V3) testing before shipment.
📊 ISO 9001:2015 · IATF 16949:2016 certified since 2010No middleman. No trading company markup. You pay manufacturer-direct prices backed by our 100+ automated production lines.
💰 Volume Discount: Request a quote and compare — we welcome third-party cost benchmarking.Customize to your exact specifications: dimensions, materials (ceramic, stainless steel, high-temp), seals, and packaging.
🔧 Lead time: Samples in 10-15 working days · Mass production in 20-30 daysOur engineering team provides lifetime technical consultation — from bearing selection to failure analysis.
📞 Direct line: +86-15990260649 · Email: info@demy-bearing.com (reply within 4 business hours)| Benchmark | BMT Bearings | Industry Average |
|---|---|---|
| Quality Return Rate | 0.12% | 0.5% - 1.2% |
| Automated Production Lines | 100+ | 20 - 50 |
| Certification Level | IATF 16949 + ISO 9001 | ISO 9001 Only |
The industrial bearing industry is at the forefront of the fourth industrial revolution, adapting to the needs of increasingly automated and connected manufacturing environments. The focus has expanded beyond simple load capacity and speed to encompass intelligence, connectivity, and exceptional energy efficiency.
View More
In the world of motorcycles, where performance and rider safety are inextricably linked, the role of high-precision bearings is absolutely critical. From the engine and transmission to the wheels and steering head, these components ensure smooth operation, precise handling, and overall reliability under extreme conditions.
View More
The automotive bearing sector is undergoing a significant transformation, driven by the industry's dual shift toward electric vehicles (EVs) and heightened demands for fuel efficiency. Manufacturers are responding with advanced solutions designed to meet these new challenges head-on.
View More
The motorcycle crankshaft bearing is one of the most critical components inside a motorcycle engine. It supports the crankshaft, reduces friction, and ensures smooth rotation during high-speed engine operation. Choosing the right bearing can dramatically improve engine performance, durability, and reliability.
View More
Deep Groove Ball Bearings are among the most widely used bearing types in industrial machinery, automotive systems, home appliances, and precision equipment. Their simple structure, durability, high-speed capability, and low friction performance make them indispensable in modern engineering applications.
View More
Motorcycle wheel bearings are small but essential components that ensure smooth wheel rotation and safe riding. Without properly functioning bearings, motorcycles can suffer from vibration, instability, increased friction, and even dangerous wheel lock situations. High-quality bearings allow wheels to spin freely while supporting heavy loads and high rotational speeds.
View More
Single Direction Thrust Ball Bearings are essential components designed specifically to handle axial loads in one direction. These bearings play a critical role in vertical shafts, machine tools, automotive assemblies, and heavy industrial systems.
View More
Square Bore Agricultural Bearings are specially engineered bearing units designed to fit square shafts commonly used in farming equipment. These bearings provide superior torque transmission, reduced slippage, and enhanced durability in harsh agricultural environments.
View More
Selecting the right bearing is one of the most critical decisions in electric motor design. Deep groove ball bearings are the most commonly used bearing type in electric motors—accounting for over 70% of all bearings used in industrial motor applications. In terms of quantity, this proportion is even higher. Therefore, understanding how to select the right deep groove ball bearing is essential for motor engineers to ensure optimal motor performance and reliability.
View More
Have you ever had these problems? A quiet electric fan suddenly starts humming loudly. A smooth-riding bike feels heavy and hard to pedal. A washing machine makes a loud clunking noise when spinning.
View More
Four point contact ball bearings are essential components in demanding mechanical systems due to their unique load‑bearing geometry, compact design, and ability to handle axial loads in both directions. This article explores their design, mechanical benefits, key applications, comparative advantages over alternatives, and maintenance tips, providing a comprehensive guide for engineers, designers, and procurement professionals.
View More
Lubrication is the most crucial element throughout the entire lifespan of a rolling bearing. If the bearing is the heart of a machine, then lubrication is its blood. Applying the appropriate amount of lubricant during bearing use is essential for ensuring normal operation. This article discusses the amount of grease needed for rolling bearings.
View More