6203 is a standard single-row deep groove ball bearing with dimension 17×40×12 mm, manufactured from high-quality GCr15 chrome bearing steel. It is one of the most universal bearing models in the mechanical industry. We supply open type, 2RS rubber sealed, ZZ metal shielded and C3 internal clearance versions to meet different working conditions. Strict quality control ensures stable performance, low noise and long service life for mass OEM and replacement orders.
Made of GCr15 bearing steel, quenched and tempered for high hardness and wear resistance
Optional structure: Open, 2RS double rubber seal, ZZ double metal shield, C3 extra clearance
Low friction torque, low vibration and low noise grade (Z3/Z4 optional)
High concentricity, precise machining, stable high-speed operation
Good dustproof and waterproof performance for sealed types
Easy installation, simple maintenance, interchangeable with standard ISO dimensions
Support customized grease for high / low temperature environment
Bear combined radial load and bidirectional light axial load simultaneously
Reduce rotating friction between shaft and housing
Support smooth, stable rotation of rotating parts
Seal variants prevent dust, moisture and contaminants from entering raceway and retain grease inside
C3 clearance design adapts to high temperature expansion and heavy-load working scenarios
✅ Electric motors, servo motors, stepper motors ✅ Agricultural machinery, garden equipment, lawn mowers ✅ Conveyors, textile machinery, packaging machines ✅ Bicycles, scooters, small vehicle wheels ✅ Pumps, fans, small gearboxes ✅ Fitness equipment, home appliances, power tools ✅ General industrial automation and mechanical replacement parts
Ningbo Kent bearing company was established in 2003 and is one of the leading bearing manufacturers and exporters in China. Kent specializes in the design and production of high precision, high speed and low noise groove ball bearings and pillow block bearings. At present, the Corporation has more than 1,000 employees, a fixed assets of 2 billion yuan, and produces 250 million sets of bearings annually. The Corporation's products are widely used in more than 50 countries and regions under 2 independent brands, namely "BUGAO" and "NBKT".In addition, we participate in major professional exhibitions at home and abroad every year.
Since 2003, the Corporation has set up a Research & Development Center equipped with multiple laboratories used for precision measurement, mechanical testing, lifespan testing, and physicochemical testing, to continuously upgrade its skills and raise its manufacturing standard and product's precision. Our workshops are installed with a series of advanced numerically-controlled, grinding and assembly equipment that utilize centralized filtration and cooling systems. Together with the production equipment suppliers, we developed these grinding, ultra-precision, fully automated integrated production lines, and own the intellectual property rights. The precision level of the products are at P5 level and above, with noise level reaching Z4, V4 and above. Some of our projects have exceeded the 30% precision reserves. Our products are widely used in electric motors, automobiles, motorcycles, household appliances, textile, electric tools and water pump equipment industries, both locally and globally.
Ningbo Kent bearing Co.,Ltd established in 2003, has been focused on high precision and low noise deep groove ball bearing research and manufacturing. Engaged in foreign trade for 16 years, we provide products for many industrial fields. We attach important to global production, Not only won wideapresd praise in the domestic market, but also gain the recognition of foreign market, such as European,Southeast Asian and Africa market.
▄ The company has more than 20 assembly lines, and through ISO9001:2000 quality management system certification, has a professional technical and service team, technical personnel proportion of more than 30%. Over the years, we have been adhering to the use of high-end raw material production, from the first to every step, with excellent product development capabilities and strict quality control, we continue to expand the product line and application range.
▄ To learn from the advanced level at home and abroad, to create their own high-quality bearings, is the eternal pursuit of Kent bearing company. Uphold the "True quality is more durable, let the bearing move more quieter"
business philosophy, we have received many customers good praise.
▄ Good Warranty we take customer satisfaction and product quality as the first priority for us, we supply reliable warranties and good after-sales services.