Since 1988 Chuen Charng has manufactured pressure gauge, thermometer, metal ball. Being a leading and expert manufacturer in Taiwan and China under Japan high tech know-how and Taiwan strict management organization. In light of these impeccable merits, we have come into reliable reputation and prominence in the industry. For years, our market share has been successful in USA, Asia & Europe. We always know our stable quality is the key way to win more continuous patronage. Providing high quality product, attractive price and prompt delivery are our goal. Expect to bring impressed satisfactory and establish long-term relation with you to create more mutual benefits.

Bearing steel balls - CHUEN CHARNG CO LTD

We are a professional manufacturer of Bearing Steel Balls. Our Bearing Steel Balls is designed to meet your specific technical and performance requirements. Our goal is to build a long term relationship as your Steel Balls supplier by providing quality products and service that exceeds your expectations. CHUEN CHARNG CO LTD's mission is to be innovative through new designs and to produce the highest quality products at an incredible value. With the help of Bearing Steel Balls, everything becomes great. We respond to email messages in the order they are received and will get back to you as quickly as possible. If you have a time-sensitive question or concern, we encourage you to call us.

Carbon Steel Ball

Carbon steel balls are used for automotive, semi-precision bearings,
castors, locks and drawer slides, bicycles, and conveyors and bearings,
roller skates, overhead trolleys and many others.

- Size: 1mm ~ 50.8mm

- Grade: 16, 25, 50, 100, 200, 500, 1000, 2000

- Hardness: HRC 60 min

- Tensile Strength: 75kgf/mm2

- Specific Gravity: 7.86

- Minimum case depth:


Case depth


Case depth 

1/16" 0.015" 7/16" 0.065" 
3/32" 0.020"  15/32"   0.065"
1/8" 0.025" 1/2" 0.070"
5/32" 0.025" 17/32" 0.070"
3/16" 0.030" 9/16" 0.075"
7/32" 0.035" 5/8" 0.075"
1/4" 0.045" 11/16" 0.075"
9/32" 0.045" 3/4" 0.080"
5/16" 0.045" 13/16" 0.080"
11/32" 0.045" 7/8" 0.080"
3/8" 0.055" 15/16" 0.080"
13/32" 0.055" 1" 0.080"

Chrome Steel Ball

AISI E52100 is high carbon chromium steel that performs very high
hardness and excellent resistance to wear. It’s used for precision
ball bearing and other industrial application.

- Size: 1mm ~ 50.8mm

- Grade: 16, 25, 50, 100, 200, 500, 1000, 2000

- Hardness: HRC 60-67 min

- Tensile Strength: 190kgf/mm2

- Specific Gravity: 7.87

Brass Ball

Brass balls performs good corrosion resistance in environments where fuel oil, gasoline, kerosene and alcohol. It also provides excellent electrical conductivity. Brass ball is used for automotive and electronic industries and for widely in the security and appliance industries’ dip and tilt switches.

- Size: 0.30mm ~ 25.4mm

- Grade: 100, 200, 500

- Hardness: HRC 75-87 min

-Tensile Strength: 45kgf/mm2

-Specific Gravity: 8.53

Stainless Steel Ball

Stainless steel balls are used for zerosol, valve pumps, nail polish
and spray paint bottles for agitation, sprinkling systems, appliance
components, casters, drawer slides, locking mechanisums,
semi-precision bearing and milk machine blenders and food
processing equipment and medical application and consumer products.

- Size: 1.5mm ~ 40mm

- Grade: 100, 200, 500, 1000, 2000

- Hardness: HRC 25-39 (420: 52min, 440C: 58-62)

- Tensile Strength: 53kgf/mm2 (316L: 49, 420: 65, 440C: 75)

- Specific Gravity: 7.93
CHUEN CHARNG CO LTD is a leading Bearing Steel Balls manufacturer and exporter in Taiwan, specialized in wide range of Bearing Steel Balls. Our products enjoy well-reputation by the strict quality request. Our customer-focused attitude has empowered us the potential to win the trust of reputed clients of the market. Thanks to our extensive library of Bearing Steel Balls solutions, we are confident that we can promptly provide satisfied samples for your review and approval. If you are interested in our Bearing Steel Balls, please email us and we'll be in touch soon.