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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:

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R144 Series Deep Groove Ball Bearing | Miniature 3.175mm Bore Design

The R144 Series is a precision miniature deep groove ball bearing, designed primarily to accommodate radial loads with the ability to support light axial loads in both directions. Characterized by its extremely compact dimensions, this bearing ensures smooth, low-friction rotation and high running accuracy. It is engineered for applications where space is at a premium and reliable performance is critical, making it ideal for small precision motors, sensitive instruments, medical devices, and miniature drive systems.

R144-ZZ Shielded Miniature Deep Groove Ball Bearing for Precision Applications | 3.175×6.35×2.779 mm

The R144-ZZ is a Double Metal Shielded Miniature Deep Groove Ball Bearing engineered for high-speed precision equipment where low friction and reliable operation are essential. Fitted with two non-contact metal shields (ZZ) on both sides, it provides effective protection against dust and larger particles while maintaining minimal torque and allowing high rotational speeds. With a 3.175 mm bore and ultra-compact cross-section, this bearing is ideal for small motors, instrumentation, robotics, and miniature drives operating in clean environments.

R24-2RS Double Sealed Inch Size Deep Groove Ball Bearing | 38.1×66.675×14.288 mm

The R24-2RS is an inch-sized single-row deep groove ball bearing engineered for applications requiring inch-dimension components with metric-equivalent performance. With a 1.5-inch (38.1 mm) bore, 2.625-inch (66.675 mm) outer diameter, and 0.5625-inch (14.288 mm) width, this bearing delivers reliable radial and light axial load capacity in a compact form factor . Featuring double rubber seals (2RS) on both sides, it provides effective protection against dust, moisture, and contaminants while retaining lubricant for extended maintenance intervals . This bearing is commonly specified for small electric motors, conveyor rollers, agricultural equipment, and various industrial machinery where inch-dimension components are preferred .

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