Crosby Mckissick RJ Oilfield Drilling Blocks, WLL Range 150,000kg to 350 tonne

• Capacities Available: 150, 250 & 350 Tons.
• Double row, pre-adjusted tapered bearings with seals.
• Blocks contain McKissick® Roll-Forged sheaves with flame hardened grooves.
• Grooves are API profile.
• Separate lubrication channel to each sheave.
• Easy opening guards for quick string-up (no bolts to pull out and lose).
• Each hook block is fitted with position lock and swivel lock assemblies.
• Additional weights available upon request.
• Manufactured to the requirements of API 8C, including all documentation.
• Each block is individually serialized for full traceability.
• Furnished with Certificate of Conformance.
• Hook is spring loaded with hydraulic snubber.
• Minimum design temperature of -20 degree C (-4 degree F).
• Standard top coat finish is safety orange enamel.
• Other paint colors and systems are available on request.
• Individual parts are primer coated on exposed surfaces.
• Combination hook blocks have interchangeable parts with BJ type McKissick®blocks built up to 1982.
• All sizes are RFID EQUIPPED

Metric Dimensions & Specifications

Model No.	RJ Block Stock	Working Load Limit		Sheave Dia. (mm)	Sheave Dia. (in.)	No. of Sheaves	Standard Wire Rope Size (mm)*	Dimensions (mm)											Weight (kg)
		Tons	T					A	B	C	D	E	F	G	H	J	K	L
864	2028185	150	136	762	30	4	28	2973	2629	2261	826	514	762	60.5	76.2	508	51.0	108	2944
865	2028194	150	138	914	36	4	28	3089	2746	2378	978	559	914	60.5	76.2	508	51.0	108	3837
866	2028203	150	136	914	36	5	28	3089	2746	2378	978	679	914	60.5	76.2	508	51.0	108	4377
868	2024318	250	226	914	36	5	28	3288	2926	2554	965	616	914	95.3	82.5	502	47.8	102	4762
869	2024317	250	226	1067	42	5	28	3440	3078	2707	1118	616	1067	95.3	82.5	502	47.8	102	4990
870	2024301	350	317	1067	42	5	32	3747	3366	2883	1118	616	1067	95.3	82.5	559	63.5	102	5761

* Additional Wireline sizes are available.