Lifting Equipment Suppliers UK : Industrial Lifting Equipment, Manual Handling Products & Lifting Gear - Crosby "HS-21-B" Regular Wood Manila Pulley Blocks. Options 1, 2 or 3 Sheave - Range from 450kg to 2180kg

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Home » Lifting Equipment Shop » Rigging Gear; Riggers Lifting Equipment » Crosby Lifting Equipment & Rigging Catalogue » Crosby Western and Marine Pulley Sheave Blocks » Crosby "HS-21-B" Regular Wood Manila Pulley Blocks. Options 1, 2 or 3 Sheave - Range from 450kg to 2180kg

Crosby "HS-21-B" Regular Wood Manila Pulley Blocks. Options 1, 2 or 3 Sheave - Range from 450kg to 2180kg

Model: Western HS-21-B / RWMB-2539

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Western Regular Wood Blocks for Manila Rope.

Regular wood block with Laser cut side plates, with Grade 5 bolts secured in place with lock washers and staked nuts.

Bronze bushed sheaves with larger bearing diameter for extended block life.
Beckets furnished on all blocks.

Imperial Table

Block Size (in.)	Fitting	Single Sheave	Double Sheave	Triple Sheave
Block Size (in.)	Fitting	21 B Stock No.	22 B Stock No.	23 B Stock No.
4	HS	603831	604634	605438
5	HS	603859	604652	605456
6	HS	603877	604670	605474
8	HS	603911	604714	605517
4	N	606437	606838	607230
5	N	606455	606856	607258
6	N	606473	606874	607276
8	N	606516	606918	607310
4		610039	611635	613232
5		610057	611653	613250
6		610075	611671	613278
8		610119	611715	613312

Metric Table

Block Size (in.)	Fitting	Single Sheave 21 B Stock No.	Double Sheave 22 B Stock No.	Triple Sheave 23 B Stock No.
4	HS	603831	604634	605438
5	HS	603859	604652	605456
6	HS	603877	604670	605474
8	HS	603911	604714	605517
4	N	606437	606838	607230
5	N	606455	606856	607258
6	N	606473	606874	607276
8	N	606516	606918	607310
4	S	610039	611635	613232
5	S	610057	611653	613250
6	S	610075	611671	613278
8	S	610119	611715	613312

Imperial Table

Block Size (in.)	Sheave Dimensions (in.)			Manila Rope Size (in.)	Working Load Limit (lbs.)*			Weight Each (lbs.)
Block Size (in.)	Outside Diam.	Rim Thickness	Center Pin Diam.	Manila Rope Size (in.)	21 Single	22 Double	23 Triple	21 Single	22 Double	23 Triple
4	2.25	.63	.38	1/2	1000	1400	1800	1.75	3.00	4.00
5	3.00	.75	.38	5/8	1200	1800	2400	3.25	5.60	6.50
6	3.50	1.00	.50	3/4	1800	2500	3200	5.00	8.50	11.50
8	4.75	1.13	.63	7/8 - 1	2800	3800	4800	9.00	14.00	21.50

Metric

Block Size (in.)	Sheave Dimensions (mm)			Manila Rope Size (mm)	Working Load Limit (t)*			Weight Each (kg.)
	Outside Diam.	Rim Thickness	Center Pin Diam.		21	22	23	21	22	23
	Outside Diam.	Rim Thickness	Center Pin Diam.		Single	Double	Triple	Single	Double	Triple
4	57.0	16.0	9.65	13	.45	.64	.82	.79	1.36	1.81
5	76.0	19.1	9.65	16	.54	.82	1.09	1.47	2.54	2.95
6	89.0	25.4	12.7	19	.82	1.13	1.45	2.27	3.86	5.22
8	121	28.7	16.0	22-26	1.27	1.72	2.18	5.90	6.35	9.75

*Ultimate Load is 4 times the Working Load Limit.

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

Product Warnings

(approx. 0.5Mb)

Crosby catalogue page 354

(approx. 0.2Mb)

Model

Part N°	Block Size(in.)	Fitting	Sale Price	Quantity	In-Stock
2539-T1223 603831	4	HS	(£ 86.32) £ 73.37
2539-T1224 603859	5	HS	(£ 97.76) £ 83.10
2539-T1225 603877	6	HS	(£ 118.56) £ 100.78
2539-T1226 603911	8	HS	(£ 177.84) £ 151.16
2539-T1227 606437	4	N	Quote Required
2539-T1228 606455	5	N	Quote Required
2539-T1229 606473	6	N	Quote Required
2539-T1230 606516	8	N	Quote Required
2539-T1231 610039	4		Quote Required
2539-T1232 610057	5		Quote Required
2539-T1233 610075	6		Quote Required
2539-T1234 610119	8		Quote Required
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