Steel ball of bearing
1. low noise
2. High precision&trustworthy quality
3. OEM service
4. fast delivery
Steel ball of bearing
Steel ball conversion table(Here we supply part of the size and weight,please feel free to contact with us)
diameter | Kilo per 1000 pieces | Pieces per kilo | |
in | mm | ||
1/16 | 1.588 | 0.016 | 62350 |
1.75 | 0.0218 | 45871 | |
2 | 0.0326 | 30700 | |
3/32 | 2.381 | 0.055 | 18182 |
2.5 | 0.0637 | 15698 | |
3 | 0.110 | 9091 | |
1/8 | 3.715 | 0.131 | 7634 |
3.5 | 0.175 | 5717 | |
5/32 | 3.969 | 0.255 | 3922 |
4 | 0.261 | 3831 | |
3/16 | 4.763 | 0.441 | 2268 |
5 | 0.510 | 1961 | |
13/64 | 5.519 | 0.560 | 1786 |
7/32 | 5.556 | 0.699 | 1431 |
15/64 | 5.953 | 0.860 | 1163 |
Steel ball precision grade
Grade | Ball diameter variation(vdws) | Deviation from special form(sph) | Lot diameter variation(vdwI) | Maximum surface roughness(ra) |
G5 | 0.13 | 0.13 | 0.25 | 0.014 |
G10 | 0.25 | 0.25 | 0.5 | 0.020 |
G16 | 0.4 | 0.4 | 0.8 | 0.025 |
G20 | 0.5 | 0.5 | 1 | 0.032 |
G24 | 0.6 | 0.6 | 1.2 | 0.040 |
G28 | 0.7 | 0.7 | 1.4 | 0.050 |
G40 | 1 | 1 | 2 | 0.060 |
G60 | 1.5 | 1.5 | 3 | 0.080 |
G100 | 2.5 | 2.5 | 5 | 0.100 |
G200 | 5 | 5 | 10 | 0.150 |
G500 | 12.5 | 12.5 | 25 | |
G1000 | 25 | 25 | 50 |
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