24 inch – 200 tons

Key to six sheave J-Block Model Numbers
| J | 30 | SX | 14 | B | T | A |
| Shorty “J” Crane Block | Safe Working Limit-Tons |
Number of Sheaves SX = 6 |
Sheave Size – Nom. O.D. |
Sheave Bearing: B = Bronze Bushed |
Hook-Thrust Bearing |
Cheek Weights: |
| Model | WT. | A | B | E | F | H | J | K |
| Overall | Net | Thickness | Throat
Opening |
Hook | Hook | |||
| Length | Length | Width | w/Latch | Thick. | Width | |||
| J-200SX24BTA | 4658 | 86.500 | 71 | 25.437 | 28.750 | 9.01 | 10.13 | 6 |
| J-200SX24BTB | 5363 | 86.500 | 71 | 31.187 | 28.750 | 9.01 | 10.13 | 6 |
| J-200SX24BTC | 5825 | 86.500 | 71 | 37.687 | 28.750 | 9.01 | 10.13 | 6 |
| J-200SX24RTA | 4658 | 86.500 | 71 | 25.437 | 28.750 | 9.01 | 10.13 | 6 |
| J-200SX24RTB | 5363 | 86.500 | 71 | 31.187 | 28.750 | 9.01 | 10.13 | 6 |
| J-200SX24RTC | 5825 | 86.500 | 71 | 37.687 | 28.750 | 9.01 | 10.13 | 6 |
*Gunnebo Johnson Design Factor is 4 to 1, with some exceptions;
45 Ton models 3.6 to 1
60 Ton models 3.7 to 1
325 Ton models 3.7 to 1








