- Bushings[7]
- Other Motorcycle Parts[3]
- Motorcycle Ignition System[8]
- Auto Batteries[3]
- Needle Bearings[9]
- Textile Machinery Parts[1]
- Cylindrical Roller Bearings[3]
- Spherical Roller Bearings[1]
- Deep Groove Ball Bearings[4]
- Angular Contact Ball Bearings[2]
- Other Bearings[10]
- Pillow Block Bearings[7]
- Auto Clutch[1]
- Auto Bearing[6]
- Ceramic Ball Bearing[2]
- Slewing Bearings[3]
- Special Bearings[7]
- Ceramics[1]
- Bearing Balls[6]
- Pulleys[5]
- Other Sports & Entertainment Products[1]
- Other Shoe Parts & Accessories[1]
- Chains[5]
- Transmission Chains[1]
- Motorcycle Transmissions[1]
- Tool Parts[1]
- Shafts[6]
- Seals[7]
- Other Hardware[7]
- Material Handling Equipment Parts[5]
- Sprockets[1]
- Other Gears[1]
- Shaft Couplings[6]
- Pipe Fittings[1]
- Contact Person : Mr. Min Dylan
- Company Name : Ningbo Demy (D&M) Bearings Co., Ltd.
- Tel : 86-574-87103638
- Fax : 86-574-87103637
- Address : Zhejiang,Ningbo,B.515-516,Liyuanshangdou,No.39,Lane158,Huangcheng West Road,
- Country/Region : China
- Zip : 315010
Steel Balls
Steel Balls specification
1 Available in Different Sizes and Grade: From 1mm-150mm, G10,G16,G25.G100,G200,G500 and G1000
2 Different material: Carbon steel, ( 45#) Chrome steel(GCR15) , stainless steel(SS304, SS340, SS316, SS420, SS430) and ceramic balls( Si3N4, ZirO, SiC, glass, POM, PTFE, PP)
3 Widely used for bicycles, motocycles, grinding and other fields
4 Strict processes controling and advanced technology make our products good quality. First-class servie makes you satisfy.
5 Material: Chrome steel, Carbon steel, Stainless steel and ceramic bearings
6 Package: industrial Exporting Packing and customers' requestment
Mainly products and chemical composition
65Mn Forged Grinding ballSize: 2mm-200mmHardness: HRC55-65Chemical compasition C 0.52-0.65Si:0.17-0.37 Mn0.6-1.2 S&P0.035Max Cr 0.25Max2.RCAB Forged steel ballSize:2-200mmHardness: HRC58-65Chemical compasition C: 0.72-0.82 Si: 0.17-0.37 Mn: 0.7-0.8P: 0.035 max Cr: 0.28-0.60
3.High chrome cast grinding ballSize: 20mm-150mmHardness: HRC 58-65 chrome content 12-30%Chemical compasition C:2.0-2.5 Si ≤ 1.0 Mn 0.5-1.5 S&P ≤0.104 Low chrome cast grinding ball
Size: 20-150Hardness: HRC 45-55 Chrome content 1.0-3.0%Chemical compasition C: 2.0-3.3Si ≤1.2 Mn 0.5-1.5 S&P≤0.15
Steel Balls
