Xi'an machinery & engineering import & export co.,ltd.
China Chrome Steel Bearing Balls & High Precision Bearing Balls Supplier The best precision makes your bearing roll more smoothly. High quality, Best service, Reasonable price.
We offer a range of grades of steel, such as AISI 52100 or 100Cr6. So pick the material and grade that meets your needs precisely.
| Country | China | USA | Germany | Russia | Japan |
| Material Standard | GB/T18254-2016 | ASTM A295/A295M - 2014 | ISO683-17-2014 | GOST 801-1978 | JIS G4805-2019 |
| Material | GCr15 | 52100 | 100Cr6 (1.3505) |
ШX15 | SUJ2 |
| GCr15SiMn | 52100.1 | 100CrMnSi6-4 (1.3520) |
ШX15CГ | SUJ3 | |
| Production Capacity | *Steel ball quality standard: ISO 3290-1-2014, GB/T308.1-2013, DIN 5401-2002, ABMA Std. 10A - 2001 *Ball sizes: 7.9375mm-82.55mm *Ball precision: G5-G200 |
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| Material | Chemical composition(%) | ||||||||
| C | Si | Mn | Cr | Mo | P | S | Ni | Cu | |
| GCr15 | 0.95 to 1.05 | 0.15 to 0.35 | 0.25 to 0.45 | 1.40 to 1.65 | ≤0.1 | ≤0.025 | ≤0.02 | ≤0.25 | ≤0.25 |
| GCr15SiMn | 0.95 to 1.05 | 0.45 to 0.75 | 0.95 to 1.25 | 1.40 to 1.65 | ≤0.1 | ≤0.025 | ≤0.02 | ≤0.25 | ≤0.25 |
| Precision / Grade |
Ball Diameter Tolerance Vdws（≤） µm |
Deviation from Spherical Form △Rs（≤） µm |
Maximun surface roughness Ra（≤）µm |
Lot diameter variation Dwl（≤） µm |
| G3 | 0.08 | 0.08 | 0.01 | 0.13 |
| G5 | 0.13 | 0.13 | 0.014 | 0.25 |
| G10 | 0.25 | 0.25 | 0.02 | 0.5 |
| G16 | 0.4 | 0.4 | 0.025 | 0.8 |
| G20 | 0.5 | 0.5 | 0.032 | 1 |
| G24 | 0.6 | 0.6 | 0.04 | 1.2 |
| G28 | 0.7 | 0.7 | 0.05 | 1.4 |
| G40 | 1 | 1 | 0.06 | 2 |
| G60 | 1.5 | 1.5 | 0.08 | 3 |
| G100 | 2.5 | 2.5 | 0.1 | 5 |
| G200 | 5 | 5 | 0.15 | 10 |
Packing Details
Firstly we pack the balls in cartons For each cartons,
Then, we pack our balls using wooden pallet(Plywood) in our export business.
Put the plastic paper in the pallet(waterproof) at first, then put the ball carton into the pallet, and fix the pallet.
The size of wooden pallet: Length: 860mm, Width : 800mm, Height: 750mm
Generally, we offer neutral packing and can according to your requirements.
Packaging & Shipping
