| Type | BALL | Structure | Deep Groove | Bore Size | 7 - 200 mm |
| Precision Rating | P5-ABEC-9 | Seals Type | ZZ,RS | Number of Row | Single Row |
| Place of Origin | Zhejiang, China | Size | 608RS8*22*7mm/627RS7*22*7mm | Class | ABEC-9 |
| Color | Customizable colors | LOGO | Can be customized | Packing | Neutral Packing or Custom Packaging |
| Balls | Quality Si3N4 Ceramic Ball | Si3N4 Ceramic Balls | High temperature resistance is 50% lighter than steel balls | Nylon card | DuPont nylon card |
| Seal/dust card | Rubber or steel seal, single side seal. | Product name | HRC hardness Si3N4 Black ceramic skateboard bearing |
| D | 120 mm |
| B1 | 29 mm |
| Bearing number | Q311 |
| Bore Diameter (mm) | 55 |
| d | 55 mm |
| Size (mm) | 55x120x29 |
| Outer Diameter (mm) | 120 |
| Brand | ISO |
| Width (mm) | 29 |
| C | 29 mm |
608 Ceramic Skate Bearings 8 piece ...
608 Ceramic Skate Bearings 8 piece 8x22x7mm Si3N4 by ACER Racing .... We seal our ACER SK8 ceramic skate bearings with two no contact grey seals
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The 608 bearing available here at Acer Racing requires no lubrication and is super lightweight. These have ... ACER SK8 Ceramic Skate Bearings | 608 Bearing
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SMOOTHER, LIGHTER, FASTER: these are super high end top of the line skate bearings. 8 piece ACER SK8 Size 608 Ceramic Skate Bearing 8x22x7mm