Feathers & Specification of Deep groove ball bearings:

Brand Name: Jiali

Series: 6800 series

Quality standard: ISO 9001:2000 standard

Service: OEM

Packing: Industrial package or according to your requirements.

Details:

Deep groove ball bearings are particularly versatile. They are simple in design, non-separable, suitable for high and even very high speeds and are robust in operation, requiring little maintenance. Deep raceway grooves and the close conformity between the raceway grooves and the balls enable deep groove ball bearings to accommodate axial loads in both directions, in addition to radial loads, even at high speeds.

Dermarolling is also known as micro-needling, skin rolling or collagen induction therapy (CIT). Derma Rollers are made of many high grade micro needles which roll over and penetrate the skins upper surface painlessly. These revolutionary devices provide two major benefits.
Firstly, they stimulate collagen growth which significantly improves the appearance of scars, fine lines, wrinkles, stretch mark, and acne scars.
Secondly, they allow the transdermal application of creams, gels and oils, to be absorbed far more effectively - boosting their effectiveness massively. This is relevant to hair loss treatments as well as cellulite reduction.