| Type | BALL | Structure | Deep Groove | Bore Size | 20 - 230 mm |
| Outside Diameter | 35 - 130 mm | Precision Rating | ABEC-1 | Seals Type | ZZ 2RS OPEN |
| Number of Row | DOUBLE ROW | Place of Origin | Jiangsu, China | Certificate | ISO9001:2008 |
| Material | Chrome Steel | Product name | Bearings Miniature Front Wheel Hub Bearing | Cage | Steel Cage.copper Cage.nylon Cage |
| Service | OEM Service.Design Service |
| D | 228,6 mm |
| Outer Diameter (mm) | 228,6 |
| d | 127 mm |
| Calculation factor (e) | 0,74 |
| Db | 223 mm |
| db | 139 mm |
| Calculation factor (Y0) | 0,45 |
| da | 158 mm |
| Brand | NSK |
| B | 49,428 mm |
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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