66.04 mm OD Sprockets | McMaster-Carr

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About Roller Chain and Sprockets

Designed to meet ISO 606 and DIN 8187 international dimensional standards, these sprockets are for use with compatible ISO and DIN roller chain. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size.

For technical drawings and 3-D models, click on a part number.

For ISO 06B Roller Chain (9.53 mm Pitch)
Number of Teeth	For Shaft Dia., mm	For Max. Shaft Dia., mm	OD, mm	Overall Wd., mm	Hub Dia., mm	Material	Specifications Met		Each
20	10	30	66.04	28	49	Steel	DIN 8187, ISO 606	000000	000000

Flat Sprockets for Metric Roller Chain

With metric teeth and slim profile, these sprockets allow your ISO roller chain to reach narrow spaces. They're commonly referred to as A-plate sprockets. Machine the unfinished bore to fit your shaft—sprockets come machined to the shaft diameter listed and are machinable up to the maximum shaft diameter size. Sprockets meet DIN 8187 and ISO 606, international standards for sprockets and roller chains.

For technical drawings and 3-D models, click on a part number.

For ISO 06B Roller Chain (9.525 mm Pitch)
Number of Teeth	For Shaft Dia., mm	For Max. Shaft Dia., mm	OD, mm	Overall Wd., mm	Material	Specifications Met		Each
20	10	51	66.04	6	Steel	DIN 8187, ISO 606	00000000	000000

Ultra-High-Strength Poly Chain Timing Belt Pulleys

Curved teeth with a high pitch provide superior load distribution and reduce wear. They mount with a bushing for a more secure grip on the shaft than set screws. Bushing is not included. Select a pulley with a maximum belt width that’s the same or larger than your timing belt width.

For technical drawings and 3-D models, click on a part number.

Bushing Mount

For 12 mm Max. Belt Wd.
OD, mm	Number of Teeth	Pitch, mm	ID	Bore Type	For Bushing Style	Inside Wd., mm	Outside Wd., mm	Overall Wd., mm	Pitch Dia., mm	Number of Flanges	Fabrication	Material		Each
66.04	22	8	1.386"	Finished	Taper-Lock Style 1008	15.24	22.35	22.35	56	2	Machined	Black-Oxide Steel	0000000	0000000
For 21 mm Max. Belt Wd.
66.04	22	8	1.386"	Finished	Taper-Lock Style 1008	23.37	30.48	30.48	56	2	Machined	Black-Oxide Steel	0000000	000000