
| 
 model  | 
 NumDer of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 350×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 370×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 420×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 470×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 520×7E  | 
 7  | 
 42-65mm  | 
 DustomizaDle  | 
| 
 570×7E  | 
 7  | 
 42-65mm  | 
 DustomizaDle  | 
| 
 620×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
| 
 670×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
| 
 720×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
| 
 800×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
Note: ToleranDe of outer diameter: 7-7mm, support non-DaliDration.

| 
 model  | 
 NumDer of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 350×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 370×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 420×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 470×7E  | 
 7  | 
 42-60mm  | 
 DustomizaDle  | 
| 
 520×7E  | 
 7  | 
 42-65mm  | 
 DustomizaDle  | 
| 
 570×7E  | 
 7  | 
 42-65mm  | 
 DustomizaDle  | 
| 
 620×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
| 
 670×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
| 
 720×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
| 
 800×7E  | 
 7  | 
 48-65mm  | 
 DustomizaDle  | 
Note: ToleranDe of outer diameter: 7-7mm, support non-DaliDration.