Company profile

Since 2010, Fujian Welink Bearing Technology Co., Ltd. has been a globally trusted leader in precision bearings, specializing in miniature deep-groove ball bearings. Our proprietary brand WELINK delivers premium quality and reliable performance rivaling international famous brands, with unbeatable cost-effectiveness that balances top-tier craftsmanship and competitive pricing. With three strategic R&D and production bases across Ningbo (Zhejiang), Ningde (Fujian), and Anhui, plus over 20,000㎡ advanced workshops, we ensure a comprehensive product range, stable supply, and rigorous quality control. Serving 50+ industries worldwide, Our precision bearings are extensively applied in:

All products

627-2RS Sealed Deep Groove Ball Bearing for High-Speed Applications | 7×22×7 mm

Engineered to deliver exceptional durability and smooth rotation under demanding conditions, the 627-2RS is a versatile, double rubber-sealed deep groove ball bearing. Featuring a standard 7 mm bore, 22 mm outer diameter, and a 7 mm width, this precision component is widely utilized across both consumer and industrial markets. The addition of bilateral synthetic rubber contact seals (2RS) effectively locks in premium lubricating grease while providing a robust barrier against dust, dirt, and moisture ingress, ensuring long-lasting performance in exposed or harsh environments.

626 Z Deep Groove Ball Bearing For Power Tools | 6x19x6 mm

The 626 Z is a Premium Miniature Deep Groove Ball Bearing engineered for high-speed precision applications. Featuring a single metal shield (Z), this metric bearing balances protection against debris with low-friction performance. With a 6mm bore, it is ideal for small motors, power tools, and precision instrumentation requiring a compact footprint.

Deep Groove Ball Bearing 629 RS

The 629 RS is a highly versatile, single-row deep groove ball bearing fitted with rubber contact seals on both sides (2RS). As part of the widely utilised light 62 series, it delivers an optimal blend of reliable sealing, good load capacity, and smooth operation, making it the preferred choice for applications requiring effective protection against dust and moisture.

Deep Groove Ball Bearing 6200 RZ

The 6200 RZ is a highly efficient, single-row deep groove ball bearing fitted with a low-friction rubber seal on one side (RZ). As a key member of the versatile light 62 series, it provides an optimal balance between effective contaminant protection and minimal rotational friction, making it an ideal choice for applications demanding high efficiency, reduced energy consumption, and extended service life.

Deep Groove Ball Bearing 6201

The 6201 is a fundamental and robust single-row deep groove ball bearing in open design. As a cornerstone component of the widely used light 62 series, it provides a high-load-capacity and versatile solution, offering maximum design flexibility for custom lubrication and sealing arrangements in a wide array of industrial applications.

Deep Groove Ball Bearing 6203 DDU

The 6203 DDU is a robust and maintenance-friendly single-row deep groove ball bearing, fitted with double lip contact seals on both sides (DDU). As a high-performance variant within the widely specified light 62 series, it delivers exceptional sealing integrity and reliable operation under load, making it an ideal choice for applications demanding long-term, maintenance-free performance in challenging environments.

Deep Groove Ball Bearing 6204 RS

The 6204 RS is a robust and versatile single-row deep groove ball bearing fitted with a rubber contact seal on one side (RS). As a standard and reliable component of the light 62 series, it offers an excellent combination of effective one-sided sealing, high load capacity, and smooth operation, making it a preferred choice for applications where targeted protection against contaminants is required.

6205

The 6205 is a fundamental, high-capacity single-row deep groove ball bearing in open design. As a cornerstone of the versatile light 62 series, it provides an optimal balance of substantial load capacity, high-speed capability, and maximum design flexibility, serving as the ideal base for customised lubrication and sealing solutions across countless industrial applications.

626 Z

The 626 Z is a Premium Miniature Deep Groove Ball Bearing engineered for high-speed precision applications. Featuring a single metal shield (Z), this metric bearing balances protection against debris with low-friction performance. With a 6mm bore, it is ideal for small motors, power tools, and precision instrumentation requiring a compact footprint.

626 Z Deep Groove Ball Bearing Single Shielded Miniature Bearing | 6x19x6 mm12

The 626 Z is a Premium Miniature Deep Groove Ball Bearing engineered for high-speed precision applications. Featuring a single metal shield (Z), this metric bearing balances protection against debris with low-friction performance. With a 6mm bore, it is ideal for small motors, power tools, and precision instrumentation requiring a compact footprint.

623 ZZ Ultra-Thin Miniature Deep Groove Ball Bearing for Precision Instrument Components | 3×10×4 mm

The 623 ZZ is a Premium Ultra-Thin Miniature Deep Groove Ball Bearing engineered for applications demanding minimal axial space. Featuring double metal shields (ZZ) on both sides, this metric bearing provides effective protection against dust while maintaining an exceptionally slim profile. With a 3mm bore, it is ideal for micro-motors, compact mechanisms, optical devices, and other precision instruments where radial space is available but thickness is severely constrained.

625 ZZ Miniature Deep Groove Ball Bearing for Measuring Devices | 5×16×5 mm

The 625-ZZ Bearing For Office Automation is a Premium Miniature Deep Groove Ball Bearing engineered for reliable performance in compact, precision devices. Featuring double metal shields (ZZ) on both sides, this metric bearing provides enhanced protection against dust and contaminants while maintaining low friction torque. With a 5mm bore, it is ideal for small motors, precision instruments, office automation, and applications requiring a compact yet protected bearing solution.

626 ZZ Miniature Deep Groove Ball Bearing for Cooling Fan Motors | 6×19×6 mm

The 626-ZZ is a Premium Miniature Deep Groove Ball Bearing engineered for high-speed precision applications requiring enhanced contamination protection. Featuring double metal shields (ZZ) on both sides, this metric bearing provides complete guarding against dust and debris while maintaining excellent low-friction performance. With a 6mm bore, it is ideal for small motors, power tools, precision instrumentation, and any application where a compact footprint must be combined with reliable internal protection.

624 ZZ Deep Groove Ball Bearing for Small Electric Motors | 4x13x5 mm

The 624-ZZ is a Premium Ultra-Miniature Deep Groove Ball Bearing engineered for precision applications requiring exceptional compactness. Featuring double metal shields (ZZ) on both sides, this metric bearing provides complete protection against dust and contamination while maintaining low rotational friction. With a 4mm bore, it is ideal for micro-motors, precision instruments, small mechanisms, and applications where minimal space and reliable performance are paramount.

627 ZZ Deep Groove Ball Bearing for General-Purpose Electric Motors | 7×22×7 mm

The 627-ZZ is a Standard Deep Groove Ball Bearing engineered for robust and versatile performance in a wide range of mechanical applications. Featuring double metal shields (ZZ) on both sides, this metric bearing provides reliable protection against dust and contaminants while ensuring smooth, low-friction operation. With a 7mm bore, it is a common choice for electric motors, industrial fans, power tools, and various machinery requiring a durable and readily available bearing solution.

628 ZZ Deep Groove Ball Bearing Low Friction Bearing for Industrial Machinery | 8x24x8 mm

The 628-ZZ is a Standard Deep Groove Ball Bearing designed for robust and durable performance in a variety of mechanical applications. Featuring double metal shields (ZZ) on both sides, this metric bearing offers reliable protection against dust and debris while ensuring smooth operation with low friction. With an 8mm bore, it is a versatile and commonly used component in electric motors, industrial equipment, power transmission systems, and other machinery requiring a dependable and readily available bearing solution.

629 2RS Miniature Deep Groove Ball Bearing for Agricultural Equipment | 9×26×8 mm

The 629-2RS is a General-Purpose Deep Groove Ball Bearing engineered for applications requiring enhanced sealing against contaminants and moisture. Featuring double rubber contact seals (2RS) on both sides, this metric bearing provides superior protection against dust, dirt, and light fluid ingress. With a 9mm bore, it is a versatile and reliable choice for electric motors, appliances, agricultural equipment, and machinery operating in potentially dirty or damp environments.

6200-2RZ Sealed Deep Groove Ball Bearing for Compact Industrial & Small Motor Applications | 10×30×9 Mm

The 6200-2RZ is a Double Rubber-Sealed Light Series Deep Groove Ball Bearing designed for reliable performance in compact and space-constrained applications. Equipped with two low-friction rubber contact seals (2RZ) on both sides, it provides effective protection against dust and light moisture ingress while maintaining smooth operation. With a 10 mm bore and a slim cross-section, this bearing is ideal for small electric motors, light-duty drives, and precision instruments where space saving and contamination protection are essential.

6201-2RS Sealed Deep Groove Ball Bearing for Small Motors and Precision Applications | 12×32×10 Mm

The 6201-2RS is a Double Rubber-Sealed Light Series Deep Groove Ball Bearing engineered for durability and smooth operation in environments where protection against contaminants is essential. Fitted with two rubber contact seals (2RS) on both sides, it effectively prevents the entry of dust, moisture, and other particles while retaining lubrication. With a 12 mm bore and a compact cross-section, this bearing is well-suited for small electric motors, automotive accessories, and light industrial equipment requiring reliable sealing and consistent performance.

6202-2RS Sealed Deep Groove Ball Bearing for Light Industrial & Motor Applications | 15×35×11 Mm

The 6202-2RS is a Double Rubber-Sealed Light Series Deep Groove Ball Bearing designed for reliable performance in environments requiring protection against contaminants and moisture. Fitted with two integrated rubber contact seals (2RS), it effectively seals out dust, dirt, and humidity while retaining lubrication for extended service intervals. With a 15 mm bore and a balanced cross-section, this bearing is widely used in small to medium electric motors, automotive components, and general industrial machinery where dependable sealing and smooth operation are essential.

6207 Standard Deep Groove Ball Bearing for General Industrial Use | 35×72×17 Mm

The 6207 is a Single Row, Standard Series Deep Groove Ball Bearing designed for reliable performance in a wide array of industrial applications. As an open-type bearing without built-in seals or shields, it offers maximum versatility for custom lubrication and sealing arrangements. With a 35 mm bore, 72 mm outer diameter, and a 17 mm width, it provides an optimal balance of high load capacity, moderate cross-section, and excellent durability, making it a fundamental component in power transmission and rotating machinery.

6206-2RZ Non-Contact Sealed Deep Groove Ball Bearing for Efficient Operation | 30×62×16 Mm

The 6206-2RZ is a Non-Contact Rubber-Sealed, Standard Series Deep Groove Ball Bearing engineered to balance effective contamination protection with minimal friction. Equipped with two low-friction rubber seals (2RZ), it shields against dust and moisture while maintaining lower operating torque compared to contact seals. Featuring a 30 mm bore, 62 mm outer diameter, and a 16 mm width, this bearing is designed for applications requiring reliable environmental protection and energy-efficient performance in a medium-duty format.

6205-2RS Sealed Deep Groove Ball Bearing for Versatile Industrial Use | 25×52×15 Mm

The 6205-2RS is a Double Rubber-Sealed, Standard Series Deep Groove Ball Bearing designed to deliver reliable performance in environments where contamination protection is essential. Featuring two effective rubber contact seals (2RS), it provides a dependable barrier against dust, moisture, and other airborne particles while retaining lubrication. With a bore of 25 mm, outer diameter of 52 mm, and width of 15 mm, this bearing offers a robust and compact solution for a wide range of applications requiring durability and sealed operation.

6203-2RZ Sealed Deep Groove Ball Bearing for Space-Optimized Designs & Precision Mechanisms | 17×40×12 Mm

The 6203-2RZ is a Double Rubber-Sealed Light Series Deep Groove Ball Bearing engineered for applications requiring effective sealing and reliable performance in limited spaces. Fitted with two low-friction rubber seals (2RZ) on both sides, it provides excellent protection against dust, moisture, and particulate ingress while retaining lubricant efficiently. With a 17 mm bore and a compact 12 mm width, this bearing is well-suited for small motors, precision gearboxes, and light industrial equipment where environmental resistance and smooth running are vital.

6204-2RS Sealed Deep Groove Ball Bearing for Durable Performance & Versatile Applications | 20×47×14 Mm

The 6204-2RS is a Double Rubber-Sealed Light Series Deep Groove Ball Bearing built to deliver reliable operation and contamination resistance in a wide range of mechanical systems. Fitted with two rubber contact seals (2RS) on both sides, it effectively prevents the entry of dust, dirt, and moisture while retaining lubrication for extended service intervals. With a 20 mm bore and a robust 14 mm width, this bearing is widely used in electric motors, industrial gearboxes, and machinery where consistent sealing and smooth rotational performance are required.

6205 Standard Deep Groove Ball Bearing for Robust Performance & Versatile Machinery | 25×52×15 Mm

The 6205 is a Standard Open Deep Groove Ball Bearing from the widely used 62 series, offering a balance of high load capacity and versatility for general industrial applications. Without integral seals or shields, this bearing provides maximum design flexibility and is commonly used in assemblies where external sealing is provided or the operating environment is clean. With a 25 mm bore, 52 mm outer diameter, and a 15 mm width, it serves as a fundamental component in motors, pulleys, and various mechanical drives requiring reliable and efficient operation.

6224-2Z Shielded Deep Groove Ball Bearing For Heavy Industrial Applications | 120×215×40 mm

The 6224-2Z is a Double Metal Shielded Single Row Deep Groove Ball Bearing engineered to deliver dependable performance in heavy-duty industrial machinery and power transmission equipment. Fitted with two non-contact metal shields (2Z) on both sides, it offers effective protection against larger particulate contamination while maintaining minimal frictional resistance for efficient operation. With a 120 mm bore and robust cross-section, this bearing is ideally suited for large electric motors, industrial pumps, heavy fans, and processing equipment operating in clean to moderately contaminated environments.

6210-2Z Deep Groove Ball Bearing For Industrial Power Transmission | 50×90×20 mm

The 6210-2Z is a versatile, single-row deep groove ball bearing engineered for a wide spectrum of industrial machinery requiring reliable performance under moderate to high loads. Featuring dual Z-type metal shields, this bearing provides effective protection against the ingress of dust and solid contaminants while maintaining low frictional torque. With a 50 mm bore and a robust 20 mm width, it is the preferred choice for electric motors, pumps, and gearboxes where durability and contamination resistance are critical for extended service life.

6230 M Heavy-duty Deep Groove Ball Bearing For Heavy Industrial Drives | 150×270×45 mm

The 6230 M is a heavy-duty, single-row deep groove ball bearing engineered for the most demanding industrial applications requiring high load capacity and reliable performance under continuous operation. Featuring a machined one-piece brass cage (M suffix) , this bearing offers superior strength, optimal ball guidance, and low friction, making it ideal for large electric motors, pumps, and heavy machinery where durability and high-speed stability are critical. Its open design allows for flexible lubrication strategies to suit specific operating conditions.

628-2RS Miniature Deep Groove Ball Bearing For Compact Mechanisms | 8×24×8 mm

The 628-2RS is a compact, single-row deep groove ball bearing engineered for space-constrained applications requiring reliable performance under light to moderate loads. Featuring dual RS-type rubber seals, this bearing provides effective protection against dust, moisture, and other contaminants while retaining lubrication for extended service life. With an 8 mm bore and 8 mm width, it is the preferred choice for small electric motors, power tools, and automation equipment where sealing and low friction are critical.

6201-Z Deep Groove Ball Bearing For Light Industrial Applications | 12×32×10 mm

The 6201-Z is a versatile, single-row deep groove ball bearing engineered for light industrial and automotive applications requiring dependable performance under moderate loads. Featuring a single Z-type metal shield on one side, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque and allowing for relubrication if needed. With a 12 mm bore and 10 mm width, it is the preferred choice for small electric motors, pumps, and automotive auxiliary systems where durability and contamination resistance are critical for extended service life.

6202-Z Deep Groove Ball Bearing For Light Industrial Applications | 15×35×11 mm

The 6202-Z is a versatile, single-row deep groove ball bearing engineered for light industrial and automotive applications requiring dependable performance under moderate loads. Featuring a single Z-type metal shield on one side, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque and allowing for relubrication if needed. With a 15 mm bore and 11 mm width, it is the preferred choice for small electric motors, pumps, and automotive auxiliary systems where durability and contamination resistance are critical for extended service life.

6202-ZZ Versatile Deep Groove Ball Bearing For General Purpose Applications | 15×35×11 mm

The 6202-ZZ is a Versatile Double-Shielded Deep Groove Ball Bearing engineered for high-performance in a wide array of industrial and light machinery applications. Utilizing the industry-standard deep groove raceway design, this bearing efficiently manages substantial radial loads as well as light axial loads in both directions. With a 15 mm bore, 35 mm outer diameter, and an 11 mm width, it offers a balanced profile suitable for compact assemblies. Fitted with double metal shields (ZZ) to prevent contamination ingress, it is an ideal choice for electric motors, pumps, and general equipment requiring durable and low-maintenance operation.

6203-Z Deep Groove Ball Bearing For Light Industrial Applications | 17×40×12 mm

The 6203-Z is a Single-Shielded Deep Groove Ball Bearing designed for reliable performance in light industrial equipment and drive systems. Featuring the standard deep groove raceway geometry, this bearing effectively accommodates moderate radial forces and light axial loads in both directions. With a 17 mm bore, 40 mm outer diameter, and 12 mm width, it provides a robust cross-section suitable for compact machinery housings. Equipped with a single metal shield (Z) on one side for contamination resistance while maintaining accessibility for re-lubrication, it is an excellent choice for applications requiring balanced protection and maintenance flexibility .

6203-ZZ Deep Groove Ball Bearing For Electric Motors and Industrial Machinery | 17×40×12 mm

The 6203-ZZ is a Double-Shielded Deep Groove Ball Bearing engineered for reliable performance in electric motors and general industrial applications. Featuring the standardized deep groove raceway geometry, this bearing efficiently accommodates moderate radial loads and bidirectional axial loads in space-constrained assemblies. With a 17 mm bore, 40 mm outer diameter, and 12 mm width, it offers a balanced cross-section suitable for various mechanical housings. Equipped with double metal shields (ZZ) for effective contamination resistance while maintaining low friction operation, it is an ideal choice for applications requiring extended service life with minimal maintenance intervention .

Showing 1 to 2 of 2 (1 Pages)

click here to leave a message

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.