Tianjin Power Machinery Co., Ltd. Launches Two High-Performance Roller Bearings, Injecting a Robust "Chinese Core" into Industrial Transmission

In the modern production workshop of Tianjin Power Machinery Co., Ltd., a batch of high-performance roller bearings marked PWTR4090-2RS-XL and 2216K have just completed final quality inspection and packaging. They are ready to be shipped to production lines across the country.

These bearings will be installed on the guide rails of automated assembly lines or operate reliably within the transmission cores of large-scale engineering machinery, becoming the precise "joints" that ensure the efficient and reliable operation of China's manufacturing industry.

01 Corporate Strength

Tianjin Power Machinery Co., Ltd. is a comprehensive industrial and trading enterprise integrating R&D, production, and sales. The company boasts a complete production management system and advanced manufacturing mechanisms, with high annual output. While ensuring exceptional product quality, it consistently maintains highly competitive market prices.

Leveraging a profound understanding of bearing technology and a rapid response to market demands, Tianjin Power has become a reliable supplier of high-quality bearing products within the industry.

02 PWTR4090-2RS-XL: The Precise "Executor" in Automation

First, the PWTR4090-2RS-XL launched by Tianjin Power is a high-performance support-type roller bearing. Its dimensional specifications are a bore diameter of 40mm, an outer diameter of 90mm, and a width of 32mm.

This bearing features a full-complement cylindrical roller design with double-sided Lip Seals, offering a robust structure and excellent sealing performance.

Regarding core performance, this bearing has an impressive basic dynamic load rating (radial) of 52,000 N and a basic static load rating (radial) of 75,000 N, demonstrating exceptional load-carrying capacity. Its limiting speed under grease lubrication can reach 1500 rpm.

Its "XL" suffix represents an optimized high-performance design. The special roller profile prevents stress concentration at the roller ends, significantly extending service life under demanding operating conditions.

Its application focus is on high-precision linear motion and heavy-duty guidance fields. It is particularly suitable for equipment such as automated production lines, industrial robots, precision machine tools, and heavy-duty sliding door systems.

In these applications, the PWTR4090-2RS-XL, with its high rigidity, low friction, and long life, ensures smooth, precise, and reliable equipment operation.

03 2216K: The Self-Aligning "Versatile Performer" for Complex Conditions

Another key product, the 2216K bearing, is a double-row self-aligning ball bearing. Its Standard dimensions are a bore diameter of 80mm, an outer diameter of 140mm, and a width of 33mm.

This design gives it a key advantage—self-aligning capability. It can compensate for angular misalignment within a range of approximately 1.5° to 2° caused by mounting errors or shaft deflection, ensuring smooth operation even under non-ideal alignment conditions.

In terms of load capacity and speed, the 2216K bearing delivers strong performance. Its basic dynamic load rating is 49,000 N, and its basic static load rating is 19,900 N. Some high-performance variants can even achieve a static load rating of 250 kN. Its limiting speed is as high as 6000 rpm, meeting the demands of high-speed operation.

Its application scenarios are extremely broad. It excels particularly in complex environments involving shock, vibration, or alignment difficulties. It is an ideal choice for fields such as mobile machinery (e.g., engineering vehicles), plastic pelletizers, printing equipment, metallurgical equipment, mining machinery, and large transmission gearboxes.

Its self-aligning characteristics and powerful load capacity provide solid support for these critical pieces of equipment, effectively reducing maintenance needs and enhancing overall reliability.

04 Commitment to Outstanding Quality and Value

Tianjin Power has a deep understanding that reliable performance is the foundation of industrial components. Through a strict quality control system, the company ensures that every bearing leaving the factory meets high standards.

Every step—from raw material selection and precision machining to heat treatment and final assembly—is pursued with meticulous attention to detail. This enables the company to consistently and reliably supply the market with high-quality products like the PWTR4090-2RS-XL and 2216K.

Simultaneously, relying on efficient large-scale production capacity and optimized supply chain management, Tianjin Power successfully combines Outstanding quality with competitive product pricing. This offers customers higher comprehensive value, as the company strives to be your most trusted partner in industrial transmission.

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