
| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 160×8B  | 
 8  | 
 24-38mm  | 
 customizable  | 
| 
 180×8B  | 
 8  | 
 24-38mm  | 
 customizable  | 
| 
 200×8B  | 
 8  | 
 24-38mm  | 
 customizable  | 
| 
 220×8B  | 
 8  | 
 24-48mm  | 
 customizable  | 
| 
 250×8B  | 
 8  | 
 32-48mm  | 
 customizable  | 
| 
 280×8B  | 
 8  | 
 32-48mm  | 
 customizable  | 
| 
 300×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 320×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 350×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 380×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 400×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 450×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 500×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 550×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 600×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 650×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 700×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 800×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 900×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 1000×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 1100×8B  | 
 8  | 
 48-65mm  | 
 customizable  | 
| 
 1200×8B  | 
 8  | 
 48-65mm  | 
 customizable  | 
| 
 1300×8B  | 
 8  | 
 48-65mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 8-8mm, support non-calibration.

| 
 model  | 
 Number of slots  | 
 Shaft hole  | 
 Inner hole  | 
| 
 160×8B  | 
 8  | 
 24-38mm  | 
 customizable  | 
| 
 180×8B  | 
 8  | 
 24-38mm  | 
 customizable  | 
| 
 200×8B  | 
 8  | 
 24-38mm  | 
 customizable  | 
| 
 220×8B  | 
 8  | 
 24-48mm  | 
 customizable  | 
| 
 250×8B  | 
 8  | 
 32-48mm  | 
 customizable  | 
| 
 280×8B  | 
 8  | 
 32-48mm  | 
 customizable  | 
| 
 300×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 320×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 350×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 380×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 400×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 450×8B  | 
 8  | 
 38-55mm  | 
 customizable  | 
| 
 500×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 550×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 600×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 650×8B  | 
 8  | 
 38-65mm  | 
 customizable  | 
| 
 700×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 800×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 900×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 1000×8B  | 
 8  | 
 42-65mm  | 
 customizable  | 
| 
 1100×8B  | 
 8  | 
 48-65mm  | 
 customizable  | 
| 
 1200×8B  | 
 8  | 
 48-65mm  | 
 customizable  | 
| 
 1300×8B  | 
 8  | 
 48-65mm  | 
 customizable  | 
Note: Tolerance of outer diameter: 8-8mm, support non-calibration.