Mizumoto Machine Mfg. Co.
Mizumoto MB/ MB-W Series Bean Blocks

Manufacturer: Mizumoto Machine Mfg. Co., Ltd.
Model: MB/ MB-W Series
Features
- The eye part is a swivel, so it cannot be twisted. It is used to pass a rope through it and to lift and pull loads.
Specifications
| Model | Wheel Diameter | Number of Wheels | Wheel Groove Width | A | B | C | D | L | L2 | Applicable Rope Diameter | Weight (g) | Reference Working Load (kgf) | Reference Working Load (kN) |
| MB-20 | 20 | 1 | 7 | 23 | 18 | 10 | 4 | 59 | 12 | ~φ6 | 52 | 40 | 0.39 |
| MB-25 | 25 | 1 | 10 | 30 | 23 | 15 | 6 | 82.5 | 19 | ~φ9 | 140 | 70 | 0.69 |
| MB-25W | 25 | 2 | 10 | 30 | 46 | 15 | 6 | 84.5 | 19 | ~φ9 | 200 | 70 | 0.69 |
| MB-32 | 32 | 1 | 11 | 36 | 26 | 15 | 7 | 93 | 19 | ~φ10 | 200 | 120 | 1.18 |
| MB-32W | 32 | 2 | 11 | 36 | 49 | 15 | 7 | 95 | 19 | ~φ10 | 320 | 120 | 1.18 |
| MB-38 | 38 | 1 | 12 | 42 | 27 | 15 | 7 | 102 | 19 | ~φ11 | 275 | 160 | 1.57 |
| MB-38W | 38 | 2 | 12 | 42 | 51 | 15 | 7 | 103 | 19 | ~φ11 | 465 | 160 | 1.57 |
| MB-50 | 50 | 1 | 16 | 54 | 30 | 20 | 8 | 127 | 26 | ~φ15 | 340 | 240 | 2.35 |
| MB-50W | 50 | 2 | 16 | 54 | 56 | 20 | 8 | 128 | 26 | ~φ15 | 560 | 240 | 2.35 |
Dimensions (mm)












