Wenger® Corporation -Underhung Head Block - 59 Series

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The Underhung -59 Series is an underhung style head block with fully enclosed sheaves. Typically the Underhung -59 Series is supported by two structural I-beams. Depending on the application, these head blocks may need to be welded into position after final alignment.


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Wenger® Corporation
555 Park Drive
P.O. Box 448
Owatonna, MN 55060
Tel: (800) 493-6437
Fax: (507) 455-4258

lori.maas@wengercorp.com

https://www.wengercorp.com/

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Overview


Underhung Head Block - 59 Series

The Underhung -59 Series is an underhung style head block with fully enclosed sheaves. Typically the Underhung -59 Series is supported by two structural I-beams. Depending on the application, these head blocks may need to be welded into position after final alignment.

Additional Information

  • ASTM Class 30 grey iron or nylon sheave.

  • Equal pitch diameter on rope and cable grooves for smooth operation.

  • Tapered roller bearings.

  • Base angle legs turned in to allow close mounting centers.

  • 10-gauge side plates fully enclose sheave; 16″ (40.6 cm) blocks have 7-gauge side plates.

  • Side plates are bolted and welded to the base angles for extra strength.

  • Six spacers between the side plates, three prevent cables from escaping the sheave grooves.

  • Base angles punched with alternating slots and holes for simple easy installations.

  • Mounting clips available, please provide steel dimensions.

  • Underhung blocks may need to be welded to head beams after final alignment. Clip angles are recommended for double beam mounting. Mounting with clips or to single beams will require welding. Consult the factory for specific information.

  • Head block capacities are affected significantly by mounting conditions, please see the tables in the Ordering section for additional capacity information.

Ordering Information

Wire Guide Blocks: Change the “R” suffix to “W” in the part number for blocks with tieoffs for arbor wire guides.

Tieoffs: Tieoffs for wire guided clews are also available.


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Specifications

SheaveRope
Diam.
LinesBearingCast Iron
Prod. Code
WeightNylon
Prod. Code
WeightRWL
(capacity)
Single PurchaseSingle PurchaseSingle PurchaseSingle PurchaseSingle PurchaseSingle PurchaseSingle PurchaseSingle PurchaseSingle Purchase
8″ (203 mm)3/4″ (19 mm)6 @ 1/4″ (6 mm)1″ (25.4 mm)100-60859C2546 lb (20.9 kg)Table
8″ (203 mm)3/4″ (19 mm)8 @ 1/4″ (6 mm)1″ (25.4 mm)100-80859C2552 lb (23.6 kg)Table
12″ (305 mm)3/4″ (19 mm)6 @ 1/4″ (6 mm)1″ (25.4 mm)100-61259C2572 lb (32.7 kg)100-61259N2540 lb (18 kg)Table
12″ (305 mm)3/4″ (19 mm)8 @ 1/4″ (6 mm)1″ (25.4 mm)100-81259C2579 lb (35.8 kg)100-81259N2541 lb (18.6 kg)Table
12″ (305 mm)3/4″ (19 mm)10 @ 1/4″ (6 mm)1″ (25.4 mm)100-101259C2586 lb (39 kg)Table
16″ (406 mm)1″ (25.4 mm)6 @ 3/8″ (9.5 mm)1-1/2″ (38 mm)100-61659C381139 lb (63 kg)Table
16″ (406 mm)1″ (25.4 mm)8 @ 3/8″ (9.5 mm)1-1/2″ (38 mm)100-81659C381147 lb (66.7 kg)Table
Double PurchaseDouble PurchaseDouble PurchaseDouble PurchaseDouble PurchaseDouble PurchaseDouble PurchaseDouble PurchaseDouble Purchase
12″ (305 mm)3/4″ (19 mm)6 @ 1/4″ (6 mm)1″ (25.4 mm)1CD-61259R72 lb (32.7 kg)1ND-61259R40 lb (18 kg)Table
12″ (305 mm)3/4″ (19 mm)8 @ 1/4″ (6 mm)1″ (25.4 mm)1CD-81259R79 lb (35.8 kg)1ND-81259R41 lb (18.6 kg)Table
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