Featured Products


MAJOR EQUIPMENT EXTRA LARGE PRECISION BEARINGS


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◆Size range: ∮300-∮6000mm

◆Product types: extra large deep groove ball bearings, single row, double row, four row cylindrical roller bearings, spherical roller bearings, single row, double row, four row tapered roller bearings, thrust spherical roller bearings, etc. 

◆Product performance: The precision level of extra-large precision bearings reaches P4, and the precision of high-speed precision bearings reaches P2-P4. Among them, ∮440-660 cylindrical and tapered bearings have P4 precision reserves; they have high load capacity and long life.

◆Manufacturing technology: Adopt sealing technology to meet the requirements of environmental protection and increase life expectancy, and adopt super large precision bearings with sealing technology.

◆Including: round-row tapered roller bearings, round-row tapered-cylindrical combined bearings, the service life can be increased by 1 times compared with the extra-large bearings without sealing technology.

◆Application areas: manufacturing equipment industries such as steel, heavy machinery, non-ferrous metals, cement, papermaking, large equipment reducers, large transport vehicles, etc.



PRECISION BEARING


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◆Size range: ∮20-∮2500mm.

◆Product types: precision deep groove ball bearings, precision cylindrical roller bearings, precision angular contact ball bearings and other nine categories of precision products.

◆Product performance: The product's high-precision ball bearing accuracy grade reaches P2, and the roller bearing accuracy grade reaches P4 or higher; the universal matching rate of angular contact ball bearings can reach more than 90%; the speed can reach 1.65*106dmm; vibration and noise can meet customer's individual needs, product life span.

To the customer's request, the bearing speed of the machine tool spindle can reach 10,000 -20000 rpm. It is highly reliable and can completely replace imports.

◆Application areas: high-speed machine tools, precision machine tools, CNC machining centers, aerospace, robotics, humanistic telescopes, port machinery, special medical precision measuring devices for medical equipment, metallurgical rolling mills, military industry and other fields.



SLEWING BEARING


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◆Size range: ∮500-∮6300mm

◆Structure type: single-row polka-point contact ball slewing bearings, single-row crossed cylindrical roller slewing bearings, ball-column combined slewing bearings and other high-precision slewing bearings.

◆Manufacturing technology: adopting tooth washing and shaping technology, can realize the range of modulus: 5--30; adopting one-time positioning "unlimited numerical control indexing" drilling technology to ensure the positioning accuracy of the hole; adopting a sealed structure to protect the bearing High reliability performance.

◆Product performance: The accuracy level is below P5; flexible rotation, no abnormal noise; under rated load, the life span is not less than 7000 hours, and the wind power turntable bearing meets the life span of 20 years; the product with high reliability is operated with the host for 1000 hours, average The trouble-free working time MTBF shall not be less than 500 hours, and the products have reached the level of the internationally advanced Swedish SKF similar products.

◆Application fields: excavation machinery, port machinery, metallurgical machinery, aviation, aerospace satellite tracking systems, automatic robot detection devices, CT machines, turret launchers, wind power equipment, high-speed precision rotary tables and other high-precision equipment.



MOTOR BEARING


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◆Size range: Various low-noise and low-vibration motor bearings are manufactured according to ISO international standards and the Philippine standard series. In addition to the open type, there are also bearings with a steel plate dust cover, a rubber seal ring, and a stop ring on the outer diameter of the outer ring.

◆Product performance: The lowest vibration value group is Z2 (V2) group, more than 90% reach Z3 (V3) group, the friction torque is small, meeting the needs of high speed, low noise, and low vibration; accuracy level reaches P5; longevity Reach more than twice the rated life, and the product reliability is more than 96%.

◆Manufacturing technology: The original wave spectrum analysis technology is applied; the special spraying insulation layer technology is adopted to successfully solve the problem of bearing galvanic corrosion.





Focus On The Bearing

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We have a conviction that the destiny of our customers is the destiny of HZ.We only can be developed under the condition of the development ofour customers.Abundant experience. The team of research,development and product management with highquality staff.
Phone 86-0635-7132656
Email haier@srfbrg.com
Address Jinan west industrial estate,Shandong province, China