Product Description
1)Material: High chrome steel ball : AISI52100
Austenitic unhardened stainless steel: SUS420C, SUS440, SUS440C
2)Diameter: 10mm~220mm (accounting to the request of customer)
3)Hardness: 58~66 HRC (accounting to the request of customer)
4)Standard: Complies with the China GB308-2002 and USA BA1989 standard.
We. At Zhongshan H.R.T. Precision Steel Ball Co., LTD, have been manufacturing bearing balls since our inception. Now, the production lines in our plant have been streamlined with the addition of special grinding and lapping machines. These machines make it possible for us to produce high carbon chrome steel balls with superior quality, both in terms of geometrical shape and surface quality, so that when used in ball bearings, they demonstrate an extremely low level of running noise. Raw material also plays very prominent role. The dynamic properties of the chrome alloy steel balls as the rotating element of ball bearing viz, abrasion resistance, impact strength, pitting corrosion resistance, etc. depends upon the metallurgical characteristics of their raw material in addition to the grinding and lapping results.
All steel wires are rigidly inspected before approval for use as basic raw material.
Further, the steel balls are heat-treated in special continuous furnaces which are managed under strict process control. Working conditions are maintained so as to enforce the optimum established limits verified by endurance tests, diffraction analysis, etc. while our special grinding and lapping procedure serve to minimize temper lines& other surface defects, they also improve the abrasion resistance of the finished balls. Our manufacturing range for bearing balls is 40mm to 250mm diameter for high carbon chrome steel balls.
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