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Steel balls for rolling bearings are critical components used in various machines, such as rotating machinery, automobile wheels, and power tools. These steel balls primarily reduce mechanical friction, ensuring the smooth operation of rotating parts.
High-carbon chromium bearing steel ball
Metric Diameter Dw (mm) Weight kg (apprax.) 10000 pieces
0.3 mm   0.30000 0.0011
0.4 mm   0.40000 0.0026
0.5mm   0.50000 0.0051
0.6mm   0.60000 0.0089
0.7mm   0.70000 0.0141
  0.8mm   0.80000 0.0210
1mm   1.00000 0.0410
1.2mm   1.20000 0.0708
1.5mm   1.50000 0.1384
2mm   2.00000 0.3280
2.5mm   2.50000 0.6406
2.8mm   2.80000 0.9000
3mm   3.00000 1.107
3.5mm   3.50000 1.758
4mm   4.00000 2.624
4.5mm   4.50000 3.736
5mm   5.00000 5.125
5.5mm   5.50000 6.821
6mm   6.00000 8.856
6.5mm   6.50000 11.26
7mm   7.00000 14.06
7.5mm   7.50000 17.30
  8mm 8.00000 20.99
8.5mm   8.50000 25.18
  9mm 9 29.89
10mm 10.00000   4.100
11 mm 11.00000   5.457
11.5mm 11.50000   6.235
12mm 12.00000 7.084
13mm 13.00000   9.007
14 mm 14.00000   11.25
15mm 15.00000   13.84
16mm 16.00000   16.79
17mm 17.00000   20.14
18mm 18.00000   23.91
19mm 19.00000   28.12
20mm 20.00000   32.80
21mm 21.00000   37.97
22 mm 22.00000   43.65
23mm 23.00000   49.88
24 mm 24.00000   56.68
25mm 25.00000   64.06
26mm 26.00000   72.06
28mm 28.00000   90.00
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