
| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 130×3A air  | 
 3  | 
 12-28mm  | 
 35mm  | 
| 
 140×3A air  | 
 3  | 
 12-32mm  | 
 38mm  | 
| 
 150×3A air  | 
 3  | 
 18-38mm  | 
 38mm  | 
| 
 160×3A air  | 
 3  | 
 20-38mm  | 
 42mm  | 
| 
 180×3A air  | 
 3  | 
 20-48mm  | 
 48mm  | 
| 
 200×3A air  | 
 3  | 
 22-48mm  | 
 customizable  | 
| 
 220×3A air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 250×3A air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 280×3A air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 300×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 320×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 350×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 380×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 400×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 2-3mm, support non-calibration.

| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 130×3A air  | 
 3  | 
 12-28mm  | 
 35mm  | 
| 
 140×3A air  | 
 3  | 
 12-32mm  | 
 38mm  | 
| 
 150×3A air  | 
 3  | 
 18-38mm  | 
 38mm  | 
| 
 160×3A air  | 
 3  | 
 20-38mm  | 
 42mm  | 
| 
 180×3A air  | 
 3  | 
 20-48mm  | 
 48mm  | 
| 
 200×3A air  | 
 3  | 
 22-48mm  | 
 customizable  | 
| 
 220×3A air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 250×3A air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 280×3A air  | 
 3  | 
 24-48mm  | 
 customizable  | 
| 
 300×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 320×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 350×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 380×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
| 
 400×3A air  | 
 3  | 
 28-48mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 2-3mm, support non-calibration.