Red industrial wheel with a gear mechanism, showcasing engineering design and functionality.

Crosby McKissick Crown Blocks

SKU: GRRR417 Category: Blocks

Product details

McKissick® Roll-Forged sheaves with flame hardened grooves.
Double row pre-adjusted sealed tapered bearings mounted on a steel shaft.
Heavy center and side plates for proper support of center pin.
Pre-assembled units for rapid attachment to crown assembly for installation on derrick.
On multiple sheave assemblies, one sheave can be grooved for sand line on request.
Other sizes available upon request.
Sheaves manufactured to API-8C specifications.

Videos

Crown Blocks

Sheave Diameter (in)	Model No.	Stock No.	No. of Sheaves	Working Load Limit (short Tons)	Wire Rope Diameter (in)	Weight Each (lb)
							24	241	351158	1	15	7/8	200
							24	242	351167	2	30	7/8	278
							24	243	351176	3	45	7/8	375
							24	731	351185	1	35	1	200
							24	732	351194	2	75	1	350
							24	733	351201	3	100	1	525
							24	734	351210	4	125	1	720
							30	741	351229	1	40	1-1/8	325
							30	742	351238	2	80	1-1/8	560
							30	743	351247	3	110	1-1/8	800
							30	744	351256	4	140	1-1/8	982
							30	745	351265	5	170	1-1/8	1163

Sheave Diameter (mm)	Model No.	Stock No.	No. of Sheaves	Working Load Limit (t)	Wire Rope Diameter (mm)	Weight Each (kg)
							610	241	351158	1	13.5	22	91
							610	242	351167	2	27	22	126
							610	243	351176	3	40.5	22	170
							610	731	351185	1	31.5	25	91
							610	732	351194	2	67.5	25	159
							610	733	351201	3	90	25	238
							610	734	351210	4	113	25	327
							762	741	351229	1	36	28	147
							762	742	351238	2	72	28	254
							762	743	351247	3	99	28	363
							762	744	351256	4	126	28	445
							762	745	351265	5	153	28	528

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