ANSI 06B-2 Roller Chain | McMaster-Carr

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Strand Type

Double

Roller Chain Trade Number

System of Measurement

Pitch

Component

Roller Diameter

Length

Roller Width

Material

Link Type

Adding and Connecting

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Chain Style

Working Load

Number of Teeth

Specifications Met

Shaft Diameter

Roller Chain Type

Chain Pitch Type

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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15 Products

Roller Chain and Links

Chain

Connecting Links

Adding-and-Connecting

Links

Image of Attribute. Front orientation. Contains Annotated.

Pair this chain with sprockets to transmit power between rotating shafts. Like the chain on a bike, the side plates have a figure-eight shape that grips the sprockets 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-and-Connecting Link—An all-in-one link for adding and connecting. It adds a half-pitch length at the roller end, allowing finer length adjustments than full-pitch links. The pin end connects to your chain—except for trade number 25, which requires a separate connecting link. Remove the side plate to install. Also known as half links and offset links.

	Roller Chain						Chain		Connecting Links		Adding-and-Connecting Links
	Trade No.	Std.	Pitch	Roller Dia.	Roller Wd.	Working Load, lb.		Per Ft.		Each		Each
Double Strand







				Steel

				06B-2	ISO	3/8"	0.250"	0.225"	650	0000000	000000	000000	00000	000000	000000

Sprockets

For Double Strand

Sprocket teeth mesh with your roller chain to smoothly transmit power. These U.S.-made sprockets have machined teeth for a more precise fit than flame-cut or punched teeth, allowing them to glide in and out of the chain to reduce wear and extend chain life.

Steel—Steel is strong, but best for dry environments since moisture will cause it to rust.

Plain Bore—Plain bore sprockets give you options—machine a custom bore, weld, or press-fit them in place. They're sized to the minimum shaft diameter listed and are machinable up to the maximum.

	For Roller Chain
	Trade No.	Std.	Pitch	No. of Teeth	OD, mm	Bore Type	For Shaft Dia.		Each
For Double Strand







				Steel

				06B-2	ISO	3/8"	12	42.36	Plain	10 mm to 16 mm	00000000	000000


				06B-2	ISO	3/8"	14	48.36	Plain	10 mm to 18 mm	00000000	00000
				06B-2	ISO	3/8"	15	51.37	Plain	10 mm to 20 mm	00000000	00000
				06B-2	ISO	3/8"	16	54.38	Plain	12 mm to 20 mm	00000000	00000
				06B-2	ISO	3/8"	17	57.39	Plain	12 mm to 24 mm	00000000	00000
				06B-2	ISO	3/8"	18	60.41	Plain	12 mm to 25 mm	00000000	00000
				06B-2	ISO	3/8"	19	63.43	Plain	12 mm to 28 mm	00000000	00000
				06B-2	ISO	3/8"	20	66.44	Plain	12 mm to 30 mm	00000000	00000
				06B-2	ISO	3/8"	21	69.46	Plain	12 mm to 30 mm	0000000	00000
				06B-2	ISO	3/8"	25	81.55	Plain	12 mm to 40 mm	00000000	000000
				06B-2	ISO	3/8"	27	87.6	Plain	12 mm to 45 mm	00000000	000000


				06B-2	ISO	3/8"	30	96.68	Plain	12 mm to 52 mm	00000000	000000