Crosby 566 Hoisting Blocks

SKU: GRRR197 Category:

Product details

  • Block is galvanized.
  • Blocks 14” and larger have flame-hardened roll forged sheaves that assure greater wire life.
  • Roll forged sheave is fitted closely into mortise of shell so wire cannot jam between sheave and shell.
  • Available for 3/4” or 1” wire.
  • Block is fitted with tapered roller bearings which take both load and side thrusts and hold sheave central so it cannot chafe or wear on the sides.
  • Tapered Roller bearing with neoprene seals and stainless steel center pin provide long life and trouble-free service.
  • Stainless steel center pin has recessed nuts with lock washers.
  • Swivel fitting has permanently sealed thrust bearing.
  • Pressure lubrication fittings are standard on both center pin and swivel.
  • Individually Proof Tested at 4 times Working Load or 2 times Resultant Load.
  • A.B.S. recognized load test certificates are furnished.
  • Cargo hoist blocks are rated by the maximum single line pull of the wire rope being used.
  • Resultant Load equals 2 times single line pull. Ultimate load equals 5 times the Resultant Load.

Videos

566 Hoisting Blocks

Sheave Size (in)E-566 Stock No.J-566 Stock No.QG-566 Stock No.QK-566 Stock No.Single Line Pull (short Tons)Wire Rope Diameter (in)Weight Each (lb)
12
775003
775003
775003
775003
53/495
12
775209
775209
775209
775209
53/495
12
775405
775405
775405
775405
53/495
12
775600
775600
775600
775600
53/495
12
775806
775806
775806
775806
53/495
12
776002
776002
776002
776002
53/495
14
775058
775058
775058
775058
103/4100
14
775254
775254
775254
775254
103/4100
14
775450
775450
775450
775450
103/4100
14
775655
775655
775655
775655
103/4100
14
775851
775851
775851
775851
103/4100
14
776057
776057
776057
776057
103/4100
14
775067
775067
775067
775067
101100
14
775263
775263
775263
775263
101100
14
775469
775469
775469
775469
101100
14
775664
775664
775664
775664
101100
14
775860
775860
775860
775860
101100
14
776066
776066
776066
776066
101100
16
776609
776609
776609
776609
103/4130
16
776672
776672
776672
776672
103/4130
16
776681
776681
776681
776681
103/4130
16
776690
776690
776690
776690
103/4130
16
776707
776707
776707
776707
103/4130
16
776716
776716
776716
776716
103/4130
16
752956
752956
752956
752956
101130
16
752965
752965
752965
752965
101130
16
752974
752974
752974
752974
101130
16
752983
752983
752983
752983
101130
16
752992
752992
752992
752992
101130
16
753009
753009
753009
753009
101130
Sheave Size (mm)E-566 Stock No.J-566 Stock No.QG-566 Stock No.QK-566 Stock No.Single Line Pull (t)Wire Rope Diameter (mm)Weight Each (kg)
305
775003
775003
775003
775003
4.541943.1
305
775209
775209
775209
775209
4.541943.1
305
775405
775405
775405
775405
4.541943.1
305
775600
775600
775600
775600
4.541943.1
305
775806
775806
775806
775806
4.541943.1
305
776002
776002
776002
776002
4.541943.1
356
775058
775058
775058
775058
9.071945.4
356
775254
775254
775254
775254
9.071945.4
356
775450
775450
775450
775450
9.071945.4
356
775655
775655
775655
775655
9.071945.4
356
775851
775851
775851
775851
9.071945.4
356
776057
776057
776057
776057
9.071945.4
356
775067
775067
775067
775067
9.072545.4
356
775263
775263
775263
775263
9.072545.4
356
775469
775469
775469
775469
9.072545.4
356
775664
775664
775664
775664
9.072545.4
356
775860
775860
775860
775860
9.072545.4
356
776066
776066
776066
776066
9.072545.4
406
776609
776609
776609
776609
9.071959
406
776672
776672
776672
776672
9.071959
406
776681
776681
776681
776681
9.071959
406
776690
776690
776690
776690
9.071959
406
776707
776707
776707
776707
9.071959
406
776716
776716
776716
776716
9.071959
406
752956
752956
752956
752956
9.072559
406
752965
752965
752965
752965
9.072559
406
752974
752974
752974
752974
9.072559
406
752983
752983
752983
752983
9.072559
406
752992
752992
752992
752992
9.072559
406
753009
753009
753009
753009
9.072559

5:1 Design Factor based on Resultant Load. Working Load equals maximum single line pull.