ISO Double Strand Roller Chain

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Roller Chain Trade Number

Strand Type

System of Measurement

Pitch

Component

Length

Chain Standard

Chain Style

Material

Link Type

Adding and Connecting

Chain Type

Chain Pitch Type

Roller Width

Roller Diameter

Number of Teeth

Working Load

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 2,999 lb.

3,000 lb. to 9,999 lb.

Specifications Met

DIN 8187

ISO Standard

Roller Chain Type

Standard

DFARS Specialty Metals

Shaft Diameter

Export Control Classification Number (ECCN)

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

RoHS

REACH

Performance

Finish

Corrosion-Resistant Coated

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55 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.

Corrosion-Resistant-Coated Steel—Combines the strength of steel with the corrosion resistance of stainless steel. The coating has been tested to withstand 500 hours of salt spray, so it holds up well in wet and outdoor conditions.

Connecting Link—Use a single link to join both ends of your chain. Start by removing the spring clip or cotter pin 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.

							Chain		Connecting Links		Adding-and-Connecting Links
	Roller Chain
	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	6027K11	000000	6027K1	00000	6027K5	000000


				08B-2	ISO	1/2"	0.335"	0.305"	1,200	6027K12	00000	6027K2	0000	6027K6	0000
				10B-2	ISO	5/8"	0.400"	0.380"	1,800	6027K13	00000	6027K3	0000	6027K7	00000
				12B-2	ISO	3/4"	0.475"	0.460"	2,600	6027K31	00000	6027K4	0000	6027K8	00000




						Corrosion-Resistant-Coated Steel

						08B-2	ISO	1/2"	0.335"	0.305"	1,200	1222N5	00000	1222N951	0000	1222N953	00000


						10B-2	ISO	5/8"	0.400"	0.380"	1,800	1222N6	00000	1222N961	0000	1222N963	00000
						12B-2	ISO	3/4"	0.475"	0.460"	2,600	1222N7	00000	1222N971	0000	1222N973	00000
						16B-2	ISO	1"	0.625"	0.670"	4,800	1222N8	00000	1222N981	00000	1222N983	00000

High-Accuracy Roller Chain Wear-Indicating Gauges

Precisely measure chain elongation to see if you need to replace your chain. These gauges give a more accurate reading than alternatives because they’re designed to anchor to a roller and extend across several links. A color indicator helps you quickly measure the space between rollers. If the gauge rests on top of the chain and you see green markings, your chain doesn't need to be replaced. If it slips between two rollers and you only see red markings, it’s time for a replacement.

Chain Wear Gauges

	Material		Each
For Single-, Double-, and Triple-Strand ISO Roller Chain



	20B	Steel	5576N29	0000000


	24B	Steel	5576N31	000000
	28B	Steel	5576N32	000000
	32B	Steel	5576N33	000000

Chain Wear Gauges with Plastic Case

	For Roller Chain Trade No.	Material	Includes		Each
For Single-, Double-, and Triple-Strand ISO Roller Chain



	5	06B, 08B, 10B, 12B, 16B	Steel	Chain Indentification Tool	5576N35	000000000

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	Plain	10 mm to 16 mm	3571N101	000000


				06B-2	ISO	3/8"	14	48	Plain	10 mm to 18 mm	3571N103	00000
				06B-2	ISO	3/8"	15	51	Plain	10 mm to 20 mm	3571N104	00000
				06B-2	ISO	3/8"	16	54	Plain	12 mm to 20 mm	3571N105	00000
				06B-2	ISO	3/8"	17	57	Plain	12 mm to 24 mm	3571N106	00000
				06B-2	ISO	3/8"	18	60	Plain	12 mm to 25 mm	3571N107	00000
				06B-2	ISO	3/8"	19	63	Plain	12 mm to 28 mm	3571N108	00000
				06B-2	ISO	3/8"	20	66	Plain	12 mm to 30 mm	3571N109	00000
				06B-2	ISO	3/8"	21	69	Plain	12 mm to 30 mm	3571N11	00000
				06B-2	ISO	3/8"	25	82	Plain	12 mm to 40 mm	3571N114	000000
				06B-2	ISO	3/8"	27	88	Plain	12 mm to 45 mm	3571N116	000000


				06B-2	ISO	3/8"	30	97	Plain	12 mm to 52 mm	3571N119	000000
				08B-2	ISO	1/2"	12	56	Plain	12 mm to 23 mm	3571N136	000000
				08B-2	ISO	1/2"	16	72	Plain	14 mm to 33 mm	3571N14	000000
				08B-2	ISO	1/2"	17	76	Plain	14 mm to 36 mm	3571N141	000000
				08B-2	ISO	1/2"	18	81	Plain	14 mm to 38 mm	3571N142	000000
				08B-2	ISO	1/2"	20	89	Plain	14 mm to 40 mm	3571N144	000000
				08B-2	ISO	1/2"	21	93	Plain	16 mm to 45 mm	3571N145	000000
				08B-2	ISO	1/2"	26	113	Plain	20 mm to 56 mm	3571N15	000000
				08B-2	ISO	1/2"	30	129	Plain	20 mm to 64 mm	3571N154	000000
				08B-2	ISO	1/2"	36	153	Plain	20 mm to 73 mm	3571N157	000000


				08B-2	ISO	1/2"	38	161	Plain	20 mm to 73 mm	3571N158	000000
				08B-2	ISO	1/2"	42	177	Plain	20 mm to 73 mm	3571N16	000000
				12B-2	ISO	3/4"	15	103	Plain	16 mm to 45 mm	3571N209	000000
				12B-2	ISO	3/4"	17	115	Plain	20 mm to 54 mm	3571N211	000000
				12B-2	ISO	3/4"	19	127	Plain	20 mm to 62 mm	3571N213	000000