
| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 60×2B level  | 
 2  | 
 10-24mm  | 
 24mm  | 
| 
 70×2B level  | 
 2  | 
 10-28mm  | 
 28mm  | 
| 
 80×2B level  | 
 2  | 
 10-30mm  | 
 35mm  | 
| 
 90×2B level  | 
 2  | 
 10-32mm  | 
 42mm  | 
| 
 200×2B level  | 
 2  | 
 12-38mm  | 
 48mm  | 
| 
 220×2B level  | 
 2  | 
 15-42mm  | 
 customizable  | 
| 
 220×2B level  | 
 2  | 
 14-48mm  | 
 customizable  | 
| 
 230×2B level  | 
 2  | 
 16-48mm  | 
 customizable  | 
| 
 240×2B level  | 
 2  | 
 16-48mm  | 
 customizable  | 
| 
 250×2B level  | 
 2  | 
 18-48mm  | 
 customizable  | 
| 
 260×2B level  | 
 2  | 
 22-48mm  | 
 customizable  | 
| 
 280×2B level  | 
 2  | 
 22-60mm  | 
 customizable  | 
| 
 200×2B level  | 
 2  | 
 22-65mm  | 
 customizable  | 
| 
 220×2B level  | 
 2  | 
 22-65mm  | 
 customizable  | 
| 
 250×2B level  | 
 2  | 
 24-75mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 2-3mm, support non-calibration.

| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 60×2B level  | 
 2  | 
 10-24mm  | 
 24mm  | 
| 
 70×2B level  | 
 2  | 
 10-28mm  | 
 28mm  | 
| 
 80×2B level  | 
 2  | 
 10-30mm  | 
 35mm  | 
| 
 90×2B level  | 
 2  | 
 10-32mm  | 
 42mm  | 
| 
 200×2B level  | 
 2  | 
 12-38mm  | 
 48mm  | 
| 
 220×2B level  | 
 2  | 
 15-42mm  | 
 customizable  | 
| 
 220×2B level  | 
 2  | 
 14-48mm  | 
 customizable  | 
| 
 230×2B level  | 
 2  | 
 16-48mm  | 
 customizable  | 
| 
 240×2B level  | 
 2  | 
 16-48mm  | 
 customizable  | 
| 
 250×2B level  | 
 2  | 
 18-48mm  | 
 customizable  | 
| 
 260×2B level  | 
 2  | 
 22-48mm  | 
 customizable  | 
| 
 280×2B level  | 
 2  | 
 22-60mm  | 
 customizable  | 
| 
 200×2B level  | 
 2  | 
 22-65mm  | 
 customizable  | 
| 
 220×2B level  | 
 2  | 
 22-65mm  | 
 customizable  | 
| 
 250×2B level  | 
 2  | 
 24-75mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 2-3mm, support non-calibration.