Hitachi

"H" CLASS Hitachi "H" class mill chains are extremely strong, serviceable chains originally designed for heavy drives and transfer conveyor purposes in sawmills and the paper and pulp industry. However, "H" class chain has proven itself in other industrial applications as well, especially for use in abrasive HITACHI CHAIN NUMBER H60 H74 H78 H82 H124 AVERAGE PITCH IN INCHES MAX. WORKING LOAD Lbs. 2.308 2.609 2.609 3.075 4.000 1,170 1,580 2.380 3,080 5,000 AVERAGE AVERAGE ULTIMATE WEIGHT STRENGTH PER FOOT Lbs. Lbs. 7,000 10,000 16,000 20,000 30,000 2.1 3.0 4.2 5.5 8.8 atmospheres where heavy, rugged chain is required. Sidebars of "H" class links are reinforced with wearing shoes which strengthen and stiffen the links and provide wearing surfaces which prolong the chain's life when it is operated in troughs, over floors or runways. "T" head pins are held by two lugs cast into the side of each link to prevent pin rotation. DIMENSIONS - INCHES NO. OF LINKS IN 10 FEET A 52 46 46 39 30 B C D E F 2 11/16 3 3 1/4 4 5 3/16 2 17/32 2 7/8 3 3/16 3 7/8 4 7/8 5/16 3/4 3/4 3 /4 3/8 7/8 1/2 7/8 9/16 17/32 3/4 17/16 1 1 1/8 1 1/4 1 5/8 1 1 1/8 1 1/4 1 9/16 TRANSFER Hitachi transfer chains are designed to carry heavy, concentrated loads such as boxes, lumber, steel shapes and barrels. They are usually installed in chain troughs with two or more parallel strands moving in the same direction, and only the tops protruding. Hitachi transfer chains are furnished in rooftop or camel back design, with riveted construction and made of pearlitic malleable iron. D type •• flatter than B type HITACHI CHAIN NUMBER H-78A H-78B C-55A C-55B C-55D H-130A H-138B TYPE A B A B ••D A B PITCH 2.609 2.609 1.631 1.631 1.631 4.000 4.000 MAX WORKING LOAD LBS. 2,380 2,380 1,110 1,110 1,110 2,110 2,110 AVERAGE AVERAGE NO. OF ULTIMATE WEIGHT LINKS IN STRENGTH PER FOOT 10 FEET LBS. LBS. 16,000 5.7 46 16,000 6.2 46 9,000 3.2 74 9,000 3.2 74 9,000 3.2 74 14,000 5.2 30 15,000 5.8 30 DIMENSIONS - INCHES A 3 1/8 3 1/8 2 2 2 3 1/4 3 1/4 B 2 3/4 2 3/4 1 3/16 1 3/16 1 3/16 2 13/16 2 13/16 C D 1/2 7/8 1/2 3/8 7/8 23/32 3/8 23/32 3/8 23/32 1/2 1 1 1/2 E 1 1/8 1 1/8 11/16 11/16 11/16 1 1 F H 1 1 11/16 1 1 11/16 3 /4 1 1/4 3 /4 1 1/4 3 /4 1 1/4 1 1/8 1 5/8 1 1/16 1 11/16

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