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Home/
Lifting Equipment/
Rigging Gear; Riggers Lifting Equipment/
Snatch Blocks, Sheave Blocks and Crane Pulley Blocks/
Wire Rope Oilfield Blocks/
Crosby McKissick '731' & '732' Oilfield Crown Blocks, WLL Range from 13,500kg to 170 tonne

Crosby McKissick '731' & '732' Oilfield Crown Blocks, WLL Range from 13,500kg to 170 tonne

Oilfield Servicing, Crown Blocks.

Model:

McKissick 731, 732 / OCB-2535

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.


731	732

Imperial Specifications

Sheave Diameter (in.)	Block No.	Crown Block Stock No.	No. of Sheaves	Working Load Limit (Tons)	Standard Wire Rope Size (in.)*	Weight Each (lbs.)
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

Metric Specifications

Sheave Diameter (mm)	Block No.	Crown Block Stock No.	No. of Sheaves	Working Load Limit (t)	Standard Wire Rope Size (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

*May be furnished in other wire rope sizes.

Crosby-catalogue-page-number-342-349.pdf

Product Warnings

(approx. 0.5Mb)

Crosby catalogue page 335

(approx. 0.2Mb)

Part N°	Sheave Diameter (mm)	Block No.	No. of Sheaves	Working Load Limit (t)	Standard Wire Rope Size (mm)*	Weight Each (kg)	Guide Price (Ex. VAT)
2535-T17758 351158	610	241	1	13.5	22	91	Quote Required
2535-T17759 351167	610	242	2	27	22	126	Quote Required
2535-T17760 351176	610	243	3	40.5	22	170	Quote Required
2535-T17761 351185	610	731	1	31.5	25	91	Quote Required
2535-T17762 351194	610	732	2	67.5	25	159	Quote Required
2535-T17763 351201	610	733	3	90	25	238	Quote Required
2535-T17764 351210	610	734	4	113	25	327	Quote Required
2535-T17765 351229	762	741	1	36	28	147	Quote Required
2535-T17766 351238	762	742	2	72	28	254	Quote Required
2535-T17767 351247	762	743	3	99	28	363	Quote Required
2535-T17768 351256	762	744	4	126	28	445	Quote Required
2535-T17769 351265	762	745	5	153	28	528	Quote Required
						More information about shopping on LiftingSafety Quotation Help Please choose the correct configuration of your desired product, then once complete - press on the 'Request Quote' button, this item will then be added to your basket (). To view your basket, simply click on the basket icon at the top of the page

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.


731	732

Imperial Specifications

Sheave Diameter (in.)	Block No.	Crown Block Stock No.	No. of Sheaves	Working Load Limit (Tons)	Standard Wire Rope Size (in.)*	Weight Each (lbs.)
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

Metric Specifications

Sheave Diameter (mm)	Block No.	Crown Block Stock No.	No. of Sheaves	Working Load Limit (t)	Standard Wire Rope Size (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

*May be furnished in other wire rope sizes.

Product Warnings

(approx. 0.5Mb)

Crosby catalogue page 335

(approx. 0.2Mb)

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Crosby McKissick '731' & '732' Oilfield Crown Blocks, WLL Range from 13,500kg to 170 tonne

Oilfield Servicing, Crown Blocks.

Imperial Specifications

Metric Specifications

More information about shopping on LiftingSafety

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Imperial Specifications

Metric Specifications

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