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24 inch

shorty-j-6

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
Sextuple

Sheave Size – Nom. O.D.

Sheave Bearing:

B = Bronze Bushed
R= Roller Bearing

 Hook-Thrust Bearing

Cheek Weights:
A = No wts.
AB = Med. wts.
B = Std. wts.
C = X-Heavy wts.


Model WT. A B E F H J K
Overall Net Thickness Throat


Opening

 Hook Hook
Length Length Width w/Latch Thick. Width
J90SX24BTA 2375 70.375 57.500 22.187 28.750 4.77 7.63 5.500
J90SX24BTB 3079 70.375 57.500 28.062 28.750 4.77 7.63 5.500
J90SX24BTC 3542 70.375 57.500 34.562 28.750 4.77 7.63 5.500
J90SX24RTA 2375 70.375 57.500 22.187 28.750 4.77 7.63 5.500
J90SX24RTB 3079 70.375 57.500 28.062 28.750 4.77 7.63 5.500
J90SX24RTC 3542 70.375 57.500 34.562 28.750 4.77 7.63 5.500
J100SX24BTA 2375 70.375 57.500 22.187 28.750 4.77 7.63 5.500
J100SX24BTB 3079 70.375 57.500 28.062 28.750 4.77 7.63 5.500
J100SX24BTC 3542 70.375 57.500 34.562 28.750 4.77 7.63 5.500
J100SX24RTA 2375 70.375 57.500 22.187 28.750 4.77 7.63 5.500
J100SX24RTB 3079 70.375 57.500 28.062 28.750 4.77 7.63 5.500
J100SX24RTC 3542 70.375 57.500 34.562 28.750 4.77 7.63 5.500
J115SX24BTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J115SX24BTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J115SX24BTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J115SX24RTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J115SX24RTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J115SX24RTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J125SX24BTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J125SX24BTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J125SX24BTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J125SX24RTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J125SX24RTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J125SX24RTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J130SX24BTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J130SX24BTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J130SX24BTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J130SX24RTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J130SX24RTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J130SX24RTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J140SX24BTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J140SX24BTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J140SX24BTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J140SX24RTA 3289 77.875 62.875 23.937 28.750 5.60 9.13 6
J140SX24RTB 3994 77.875 62.875 29.687 28.750 5.60 9.13 6
J140SX24RTC 4457 77.875 62.875 36.187 28.750 5.60 9.13 6
J150SX24BTA 3523 80.500 65 23.937 28.750 5.34 9.93 7
J150SX24BTB 4229 80.500 65 29.687 28.750 5.34 9.93 7
J150SX24BTC 4691 80.500 65 36.187 28.750 5.34 9.93 7
J150SX24RTA 3523 80.500 65 23.937 28.750 5.34 9.93 7
J150SX24RTB 4229 80.500 65 29.687 28.750 5.34 9.93 7
J150SX24RTC 4691 80.500 65 36.187 28.750 5.34 9.93 7
J165SX24BTA 3523 80.500 65 23.937 28.750 5.34 9.93 7
J165SX24BTB 4229 80.500 65 29.687 28.750 5.34 9.93 7
J165SX24BTC 4691 80.500 65 36.187 28.750 5.34 9.93 7
J165SX24RTA 3523 80.500 65 23.937 28.750 5.34 9.93 7
J165SX24RTB 4229 80.500 65 29.687 28.750 5.34 9.93 7
J165SX24RTC 4691 80.500 65 36.187 28.750 5.34 9.93 7

*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