Xi'an machinery & engineering import & export co.,ltd.
| Payment Terms | L/C, T/T |
| Delivery Time | 20-30days |
| Packaging Details | Plastic bag+ cardon box+ wooden pallet |
| material | GCr15 , 100Cr6 , E52100 |
| precision | G40 |
| hardness | HRc61 to HRc67 |
| application | engineering machinery, wind power bearing |
| surface | bright, high polished, smooth, hard grinding |
| feature | good size stability and anti-abrasion,Corrosion Resistance |
| samples | can be supplied for free |
| package | Plastic Bag + Cardboard Box + Wooden pallet |
| Brand Name | XMEC (OEM , ODM ) |
| Model Number | 50.76mm(1.998425") |
| Certification | SGS , ISO9001,IAF,CNAS |
| Place of Origin | china |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 20-30days |
| Packaging Details | Plastic bag+ cardon box+ wooden pallet | material | GCr15 , 100Cr6 , E52100 |
| precision | G40 | hardness | HRc61 to HRc67 |
| application | engineering machinery, wind power bearing | surface | bright, high polished, smooth, hard grinding |
| feature | good size stability and anti-abrasion,Corrosion Resistance | samples | can be supplied for free |
| package | Plastic Bag + Cardboard Box + Wooden pallet | Brand Name | XMEC (OEM , ODM ) |
| Model Number | 50.76mm(1.998425") | Certification | SGS , ISO9001,IAF,CNAS |
| Place of Origin | china | ||
| High Light | 50.76mm Solid Steel Balls ，SGS Solid Steel Balls ，50.76mm Metal Steel Balls | ||
50.76mm(1.998425") Diameter Grade 40 Hardened 67 Chrome Steel Ball
Descriptions
50.72mm to 50.92mm group Chrome steel balls are widely used in precision ball bearings and many other industrial applications. Chrome steel balls have exceptional surface quality, high hardness, and high load bearing capacity, as a result of through hardening. Chrome steel balls also offer long life and and deformation resistance.
1. These high precision ball bearings are hot forged from bar stock. Great for applications where there will be extreme rotation.
2. Modern furnaces with precisely controlled atmospheres and temperatures are used for heat treating to assure uniform hardness and proper microstructure for each steel ball.
3. Ball hardness is controlled within the 61-67 HRC range as measured on parallel flat surfaces. The steel balls come lightly lubricated to keep their perfect polish.
4. Bearing balls are used in automotive applications, for semi-precision bearings, and in commercial applications such as casters, locks, and drawer slides.
5. Our steel balls can be used in many industrial fields, such as precision bearings, automotive parts (brakes, steering systems, spools), bicycles, agitators, electrical appliances, sliders, quick connectors, machine tools, locking mechanisms, conveyor belts, pumps, casters, Measuring instruments, valves, etc.
Our chrome Steel Balls extremely precise and smooth surface guarantees you won't find any defects, such as flats, pits, soft spots, and cuts.
We mainly produce chromium steel with a size of 7.9375mm to 82.55mm. The main material is high chromium GCR15 or GCR15SiMn.Our balls are mainly for wind energy industry.
Influencing Factor
① The influence of material density: steel balls, cast iron balls, alloy steel balls, etc. Different materials have different densities. The density of steel is higher than that of cast iron. The density of alloy steel is based on the density and content of the main alloying elements.
② The influence of steel ball manufacturing method: Rolled and forged steel balls have a dense structure, so the density is very high. The structure of cast steel balls, cast iron balls or cast alloy balls is not very dense, and even has pores, so the density is lower.
③ The influence of the metallographic structure of the steel ball: the density under different crystal structures such as martensite, austenite, bainite, and ferrite is also different, which also affects the fineness of the crystal.
④ The influence of chemical composition elements: the different chemical compositions contained in the finished steel ball, such as iron, carbon, chromium, manganese, sulfur, phosphorus, etc., will affect the hardness and impact wear of the steel ball to different degrees. Generally speaking, if the chromium content is large, the steel ball has higher wear resistance.
Product Details
| Product Name | High Chrome Steel Balls |
| Size range | Ø 50.72 mm – Ø 50.92 mm(GCr15/SUJ2/100Cr6/E52100) |
| Quality grades | G40 for balls diameter 50.72mm to 50.92mm |
| Hardness | HRc61-67 |
| Application | The High Quality Chrome Steel Balls are mainly applied in Deep Groove Ball Bearing, Angular Contact Ball Bearings, Thrust Ball Bearings, Wheel Hub Bearings, Linear Bearings,wind turbine bearing, slewing ring bearing and also the Bearing. |
Grade and Tolerance
|
Grade
|
Diameter Tolerance Per Ball
|
Sphericity | Diameter Tolerance per Unit Container | Diameter Tolerance |
Max Surface Roughness
|
|||||
|
-
|
Inch
|
µ
|
Inch
|
µ
|
Inch
|
µ
|
Inch
|
µ
|
Inch
|
µ
|
|
3
|
0.000003
|
0.076
|
0.000003
|
0.076
|
0.000005
|
0.127
|
±.00003
|
±0.076
|
0.5
|
0.013
|
|
5
|
0.000005
|
0.127
|
0.000005
|
0.127
|
0.000001
|
0.25
|
±.000005
|
±0.127
|
0.8
|
0.02
|
|
10
|
0.00001
|
0.25
|
0.00001
|
0.25
|
0.00002
|
0.51
|
±.0001
|
±2.5
|
1
|
0.025
|
|
15
|
0.000015
|
0.38
|
0.000015
|
0.38
|
0.00003
|
0.76
|
±.0001
|
±2.5
|
1.2
|
0.03
|
|
25
|
0.000025
|
0.63
|
0.000025
|
0.63
|
0.00005
|
1.27
|
±.0001
|
±2.5
|
1.5
|
0.038
|
|
50
|
0.00005
|
1.27
|
0.00005
|
1.27
|
0.0001
|
2.5
|
±.0002
|
±5
|
3
|
0.075
|
|
100
|
0.0001
|
2.5
|
0.0001
|
2.5
|
0.0002
|
5
|
±.0005
|
±5
|
5
|
0.125
|
|
200
|
0.0002
|
5
|
0.0002
|
5
|
0.0004
|
10
|
±.0010
|
±10
|
8
|
0.2
|
|
300
|
0.0003
|
7.5
|
0.0003
|
7.5
|
0.0006
|
15
|
±.0015
|
±37.5
|
-
|
-
|
|
500
|
0.0005
|
12.5
|
0.0005
|
12.5
|
0.001
|
25
|
±.002
|
±50
|
- | - |
|
1000
|
0.001
|
25
|
0.001
|
25
|
0.002
|
50
|
±.005
|
±125
|
- | - |
|
2000
|
0.002
|
50
|
0.002
|
50
|
0.004
|
100
|
±.005
|
±125
|
- | - |
Company Details
Business Type:
Agent,Importer,Exporter,Trading Company
Year Established:
2006
Total Annual:
3000000-5000000
Employee Number:
1~20
Ecer Certification：
Verified Supplier
Established in 2006, Xi'an Machinery & Engineering Import & Export Co.,Ltd.（XMEC) is the successor to Shaanxi Marine and Engineering Import & Export Co., Ltd., which is specialized in importing & exporting mechanical and electrical products, complete equipment, various kinds of... Established in 2006, Xi'an Machinery & Engineering Import & Export Co.,Ltd.（XMEC) is the successor to Shaanxi Marine and Engineering Import & Export Co., Ltd., which is specialized in importing & exporting mechanical and electrical products, complete equipment, various kinds of...
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