Mooring Chock

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A mooring chock is a fitting with a gap at the top, through which a rope or line is run. The mooring chock on this page is called a bulwark mounted chock. It is a round or oval shaped cast steel component that is usually embedded into the bulwark of ships. As the contact area of the ship chock and the mooring rope is a circular arc shape, the cutting action of the bulwark to the mooring ropes in prevented. By doing so, the mooring rope and the eye splice can run through the chock easier. Mooring chocks are essential deck fittings for different ships and vessels.

Weight (kg)	Type	A	B	C	D	E
253	310	310	708	639	541	652
289	360	360	760	640	542	704
323	400	400	804	642	545	750
351	450	450	856	643	547	802
395	500	500	908	644	549	854

Weight (kg)	Type	A	B	C	D	E
276	310	310	734	684	462	652
305	360	360	788	688	464	704
344	400	400	832	692	470	750
385	450	450	886	696	474	802
422	500	500	940	700	478	854

Maximum Diameter of Steel Wire Rope	Maximum Perimeter of Hemp Rope	Maximum Diameter of Nylon Rope	L	L1	L2	B	B1	B2	t	b1	b2	Weight (kg)
18.5	160	35	200	300	340	130	230	270	18	18	110	16.4
22.5	200	45	260	400	450	170	310	360	22	25	160	40.4
28.0	230	55	320	465	515	200	345	395	25	28	175	57.0
33.5	270	70	400	572	632	260	430	490	30	32	200	95.6
43.5	325	90	480	685	755	310	525	595	35	35	240	171.0