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Sheave Boxes

Allen Sheave Boxes are available with a plain bearing or ball bearing sheave. We also have the following choice of sheave material to suit your application: Acetal Resin, Stainless Steel and Alloy.Sheave boxes are suitable for all types of halyard systems, control line systems and general running rigging.The low profile range of sheave boxes feature our unique hook-in cage; designed to deal with the high loads of modern rigs.*Working and breaking loads are very dependent on the fixing of the sheave box.  

Titlebreaking load kgfixing hole centres mmfixing hole diameter mmmaximum working load kgsheave diameter mmsheave materialsheave width mmslot size mmweight gRRP
A...4Aluminium Sheave Box - Plain Bearing 100065450026Acetal 843 x 1726£10.01
A...5Aluminium Sheave Box - Plain Bearing40070425036Acetal 650 x 1433£10.01
A...6Aluminium Sheave Box - Plain Bearing 80065440038Acetal 852 x 1534£10.73
A...6BAluminium Sheave Box - Ball Bearing 75065430038Stainless Steel852 x 1579£39.44
A...6HAluminium Sheave Box - Plain Bearing 80065440038Alloy 852 x 1548£15.50
A...7Aluminium Double Sheave Box - Plain Bearing50065425026Acetal 842 x 27 48£14.96
A...8Nylon Sheave Box - Plain Bearing70080430038Acetal 1270 x 2241£8.44
A...8ANylon Sheave Box - Plain Bearing70080435038Alloy 1270 x 2265£17.18
A...9Aluminium Sheave Box - Plain Bearing 67257433625Acetal844 x 1321£8.41
A...9BAluminium Sheave Box - Ball Bearing 75057430025Stainless Steel844 x 1338£24.18
A...9HAluminium Sheave Box - Plain Bearing 67057430025Alloy 844 x 1331£14.22
A..15Low Profile Aluminium Sheave Box - Plain Bearing 750-430025Acetal 638 x 1012£11.84
A..15BLow Profile Aluminium Sheave Box - Ball Bearing 750-430025Stainless Steel638 x 1024£33.56
A..16Low Profile Aluminium Sheave Box - Plain Bearing 900-540038Acetal 658 X 1336£17.16
A..16BLow Profile Aluminium Sheave Box - Ball Bearing 900-545038Stainless Steel658 x 1368£45.42
A..28Aluminium Sheave Box - Plain Bearing70087635038Acetal 1270 x 22100£29.77
A..94Nylon Mast Head Sheave Box - Plain Bearing--To Fit 20mm Tube -36Acetal 6-40£30.55
A4409Stainless Steel Sheave Box - Plain Bearing60090630038Stainless Steel1277 x 19 98£28.54
SA..94Adaptor For A..94 --To Fit 35mm Tube ------£11.36