Basic Info.
Customized
Non-Customized
Sizes
1.2mm 1.588mm 2.0mm 3.175mm 4.763mm 6.35mm 7.938m
Surface
Bright, Zero Defect
Transport Package
10kg for Each Box or Following Customers′ Advice
Origin
Changzhou, Jingsu, China
Product Description
3/16 inch high speed low noise precision chrome ball bearing balls
A, Precision chrome ball bearing balls are our main product.
Every day we're producing the following sizes of bearing balls:
Mini. Sizes: 1.2mm 1.3mm 1.5mm 1.588mm 2.0mm 2.381mm 2.5mm
Medium sizes: 3.175mm(1/8inch) 3.969mm(5/32inch) 4.763mm(3/16 inch) 5.556mm(7/32inch)
5.953mm(15/64inch) 6.35mm(1/4inch) 6.747mm(17/64inch) 7.144mm(9/32inch) 7.938mm(5/16inch) 9.525mm(3/8inch) 12.7mm(1/2inch).
Non-standard sizes: 3.0mm 3.5mm 4.0mm 5.5mm 6.0mm 7.0mm 8.0mm 9.0mm 10mm 11mm 12mm
All gauges from +/-0um to +/-20um are all ok for us.
B. We have the whole stirct production process from raw material to packing.
Raw material-cold heading-Flashing-Heat treatment-Grinding-Lapping1-Lapping2-Lapping3-Packing
We use high-quality raw material for steel balls which is from Wuxi Xingcheng Steel Company. (They have passed international certification of NSK, SKF and any other bearing manufacturers. )
Each production line has his own Lot No. Following it, we can find and solve any problem at any time. Expect professional inspector checking product before packing, workers will be also check their product every two hours.
All high precision ball bearing balls will be passed visual inspection to be sure 100% ok before packing.
For normal precision bearing balls will be sorted 100% by rollers. To be sure good roundess.
C. Our strict inspection to high precision chrome ball bearing balls.
1. Each size of chrome steel balls have their own standard balls which are imported from Japan.
2. These standard balls were stocked into antirust oil at the temperature 20° C.
3. Our size measurement instrument's precision is up to 0.1um. Also import from Japan.
4. We will check the diameter, hardness, surface, deviation from spherical, vibration value and so on.
We will be sure good quality of our steel balls before packing and delivering.
We can send some samples of steel balls to you by free to confirm our quality.
D. Steel balls package:
One:
Step 1: Weighing steel balls.
Step 2: Sealed plastic bags
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. Size, quantity, grade, date and so on
Step 5: Put boxes in carton. There are four boxes in a carton. Each carton is about 20kg.
Step 6: Each carton also have the label, including material, Lot no. Diameter, quantity, grade, date.
Step 7: Put cartons into wooden case. There are about 36-48 cartons in a wooden case.
Another:
Step 1: Weighing steel balls. Each plastic bag is about 10kg.
Step 2: Sealed plastic bags
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. Size, quantity, grade, date and so on
Step 5: Put boxes directly into the wooden case.
Step 7: There are 80 boxes in a wooden case.
About Changzhou Feige Steel Ball Company
Feige steel ball founed in 1989, has more than 20 years experience in manufacturing steel ball.
Now we owns workshop area about 20000 square meters and invest equipments about 15 million RMB.
Our main product are stainless steel ball, chrome steel ball and carbon steel ball.
The whole annual sales is about 28 million.
Before 2000, we have got the certification: ISO 9001: 2008 SGS.
We have the whole production process from raw material to producing to package.
We have strong production capacityabout 160 Ton steel balls for each Month.
Welcome to visit our Changzhou factoy. It is about 2.5 hous from Shanghai to Changzhou.
Welcome to visit our website: czfeige.en.made-in-china.com
Sizes | quantity/10kg |
1.2mm | 1,500,000pcs |
1.588mm 1/16'' | 600,000pcs |
2.0mm | 300,000pcs |
2.5mm | 150,000pcs |
3.175mm 1/8'' | 75,000pcs |
3.969mm 5/32'' | 39,000pcs |
4.763mm 3/16'' | 22,000pcs |
5.953mm 15/64'' | 11,000pcs |
6.35mm 1/4'' | 10,000pcs |
7.938mm 5/16'' | 5,000pcs |
9.525mm 3/8'' | 2,800pcs |
12.7mm 1/2'' | 1,200pcs |
Precision | B all diameter variation | D eviation from spherical | S urface roughness | L ot diameter variation | N ominal ball deviation tolerance |
G10 | 0.25um max. | 0.25um max. | 0.025um max. | 0.5um max. | * |
G20 | 0.5um max. | 0.5um max. | 0.05um max. | 1um max. | |
G40 | 1.0um max. | 1.0um max. | 0.08um max. | 2um max. | |
G60 | 1.5um max. | 1.5um max. | 0.1um max. | 3um max. | |
G100 | 2.5um max. | 2.5um max. | 0.125um max. | 5um max. | +/-12.5um |
G500 | 13um max. | 13um max. | * | 25um max. | +/-50um |
G1000 | 25um max. | 25um max. | * | 50um max. | 125um |
Address:
Xiashu Village, Nanzhai, Xueyan Town, Wujin District, Changzhou, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Chemicals, Construction & Decoration, Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Tools & Hardware
Management System Certification:
ISO 9001, IATF16949
Company Introduction:
Changzhou Feige Steel Ball Co., Ltd. Was founded in 1989. We have more than 25 years of experiences in manufacturing steel balls.
At present, our company covers an area of 20000 square meters and equipments′ investment is about 15 million RMB.
Chrome steel balls, stainless steel balls and carbon steel balls are our main products. Now the annual sale is about 28 million RMB.
Our raw material of chrome steel was supplied by Wuxi Xingcheng Steel Co., Ltd. ( The material have passed the international certification of SKF, NSK and so on in the earlier time compared to other steel company in domestic. )
Before 2000, we also have passed ISO 9001: 2008. At the effort of many professional technicians, our steel balls′ quality is also better than other steel balls factories′ in Changzhou. Our best precision of chrome steel balls is G10.
Feige steel ball are not even hot in demand domestically and exported to United Kingdom, Turkey, Italy, Germany, Japan and other countries. For long cooperation relationship between Feige and aborad coustomers′, we built our import and export company: Changzhou Join Sun Import & Export Co., Ltd. In 2013.
Welcome to visit Changzhou Feige steel ball Co., Ltd. It is about 100km and 2.5 hours from Shanghai to Changzhou by car.