40H Chain Links | McMaster-Carr

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Link Type

Adding

Connecting

Pitch

1/2"

Roller Chain Trade Number

Strand Type

Roller Diameter

Component

Roller Width

Chain Style

Roller Chain Type

Material

Working Load

1,000 lb. to 1,999 lb.

Chain Pitch Type

Single

Chain Standard

ANSI

DFARS Specialty Metals

Exempt

Duty Rating

Heavy

Export Control Classification Number (ECCN)

REACH

RoHS

2 Products

Heavy Duty Roller Chain and Links

Connecting Links

Adding Links

Image of Attribute. Front orientation. Contains Annotated.

Minimize shock loads—the thick side plates on this chain absorb jolts from motor startups, emergency braking, and sudden reversing. Like the chain on a bike, the side plates have a figure-eight shape that grips sprockets to transmit power between rotating shafts without slipping.

Lubrication is key to smooth operation and long chain life. Routinely apply oil by hand or install an oil dispenser for continuous lubrication.

Steel—The go-to for roller chain, steel is strong and economical. While proper lubrication helps prevent rusting, it’s not as corrosion resistant as coated or stainless steel.

Connecting Link—Use a single link to join both ends of your chain. Start by removing the spring clip from the link’s side plate. Then, slide the link pins into the mating rollers at each end of your chain and snap the clip back on. Also known as master links.

Adding Link—Attach with a connecting link to extend the length of your chain. Each link adds a length equal to the chain’s pitch. Also known as roller links.

	Roller Chain						Connecting Links		Adding Links
	Trade No.	Std.	Pitch	Roller Dia.	Roller Wd.	Working Load, lb.		Each		Each
Single Strand







				Steel

				40H	ANSI	1/2"	0.312"	5/16"	1,030	00000000	00000	00000000	00000