Mizumoto Machine Mfg. Co.
Mizumoto MBK/ MBK-W Series Bean Block (with Beke)

Manufacturer: Mizumoto Machine Mfg. Co., Ltd.
Model: MBK/ MBK-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
Unit: mm
| Model | A | B | C | D | L |
| MBK-20 | 23 | 18 | 10 | 4 | 59 |
| MBK-25 | 30 | 23 | 15 | 6 | 82.5 |
| MBK-25W | 30 | 46 | 15 | 6 | 84.5 |
| MBK-32 | 36 | 26 | 15 | 7 | 93 |
| MBK-32W | 36 | 49 | 15 | 7 | 95 |
| MBK-38 | 42 | 27 | 15 | 7 | 102 |
| MBK-38W | 42 | 51 | 15 | 7 | 103 |
| MBK-50 | 54 | 30 | 20 | 8 | 127 |
| MBK-50W | 54 | 56 | 20 | 8 | 128 |
With Bearing
| Model | Wheel Diameter | Number of Wheels | Wheel Groove Width | D2 | H | d | Applicable Rope Diameter | Weight (g) | Reference Working Load (kgf) | Reference Working Load (kN) |
| MBK-20 | 20 | 1 | 7 | 4 | 12 | 8 | ~φ6 | 56 | 40 | 0.39 |
| MBK-25 | 25 | 1 | 10 | 6 | 19 | 11 | ~φ9 | 136 | 70 | 0.69 |
| MBK-25W | 25 | 2 | 10 | 5 | 16 | 13 | ~φ9 | 223 | 70 | 0.69 |
| MBK-32 | 32 | 1 | 11 | 6 | 19 | 14 | ~φ10 | 205 | 120 | 1.18 |
| MBK-32W | 32 | 2 | 11 | 5 | 16 | 13 | ~φ10 | 341 | 120 | 1.18 |
| MBK-38 | 38 | 1 | 12 | 6 | 19 | 15 | ~φ11 | 290 | 160 | 1.57 |
| MBK-38W | 38 | 2 | 12 | 6 | 19 | 17.5 | ~φ11 | 485 | 160 | 1.57 |
| MBK-50 | 50 | 1 | 16 | 6 | 19 | 15 | ~φ15 | 358 | 240 | 2.35 |
| MBK-50W | 50 | 2 | 16 | 6 | 19 | 18 | ~φ15 | 566 | 240 | 2.35 |
Dimensions (mm)












