The torque of the gears is logically trasmitted on the bearings. If you have stronger spring, the torque is bigger and standard plastic bearings couldn`t survive so heavy load. This is reason why we offer metal bearings. Ball bearings icrease mainly rate of the fire and provide maximally smooth gear movement.
| Material | Carbon steel DIN100 Cr6. |
| Application | For 8mm gearboxes (Except No.6). |
| Purpose | For max.smooth gear move and higher ROF. |
| Weight | 4,2g/all |
| Qty per package | 6 pcs of the bearings. |
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![8mm ball bearings - steel [AimTop]](/images/stories/virtuemart/product/aspro-l8kul.jpg)

![Bearing tool [RetroArms]](/images/stories/virtuemart/product/resized/retroarms-bearing-tool-2_0x200.jpg)