Crosby

Easy to Reeve - Removeable housing allows block to be reeved without complete disassembly. Bearing life and Design Factors meet: ASME HST-4, Class H4 - CMAA 70 Class D - FEM 9.511 Class 2M ISO 4301.1 Class M5.
Sheave pitch diameter minimum of 16 times rope diameter on standard sizes (see yellow boxes in tables left).
All single point shank hooks are genuine Crosby®, forged alloy steel, Quenched and Tempered, contain the patented QUIC-CHECK® markings and come with a “world class” latch that integrates with hook tip.
Sheave bearings are maintenance free and sealed for life (10,000hrs).
Wide range of product available (see table left).
Ability to attach optional “anti two-block” device.
Available with shackle as lower connection point.
  • Features: Quick delivery
Mc1
Mc3
Mc2
Currently this product cannot be added to an online quote. Please contact us directly for enquires.
Art No
WLL
Sheave O.D.
Pitch dia.
 
Sheave wire
 
 
tons
in.
in.
mm
in.
mm
16.151003542
2
6,5
5,69
151
1/4, 5/16, 3/8
6,5, 8, 9-10
16.151003551
3
8
7,38
187
1/4, 5/16, 3/8, 7/16, 1/2
6,5, 8, 9-10, 11, 12-13
16.151003560
5
10
9,25
235
3/8, 7/16, 1/2, 9/16, 5/8
9-10, 11, 12-13, 14, 16
16.151003579
7,5
12
11,0
279
1/2, 9/16, 5/8, 3/4
12-13, 14, 16, 19
16.151003588
10
14
12,5
318
5/8, 3/4, 7/8, 1
16, 19, 22,25-26

• Additional wire rope diameters available.

Series 751 - Single Sheave
 
 
 
 
 
WLL (tonnes
2
3
5
7.5
10
Sheave O.D.
165
203
254
305
356
(mm)
145
187
235
279
318
Pitch Diameter
 
 
 
 
 
(mm)
 
 
 
 
 
Wire Line*
 
 
 
 
 
6.5mm
 
 
 
 
 
8mm
 
 
 
 
 
9-10mm
 
 
 
 
 
11mm
 
 
 
 
 
12-13mm
 
 
 
 
 
14mm
 
 
 
 
 
16mm
 
 
 
 
 
19mm
 
 
 
 
 
• Additional wire rope diameters available.
 
 
 
 
 
Series 752 - Double Sheave
 
 
 
 
 
WLL (tonnes
3
5
7.5
10
15
Sheave O.D.
165
203
254
305
305
(mm) Sheave Spacing
82.6 - 127
114 - 165
133 - 203
165 - 254
191 - 279
Centerline (mm)
145
187
235
279
318
Pitch Diameter
 
 
 
 
 
(mm)
 
 
 
 
 
Wire Line*
 
 
 
 
 
6.5mm
 
 
 
 
 
8mm
 
 
 
 
 
9-10mm
 
 
 
 
 
11mm
 
 
 
 
 
12-13mm
 
 
 
 
 
14mm