33 Teeth Sprockets | McMaster-Carr

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	Roller Chain Trade Size Roller Chain Trade Size

08B

	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

	Number of Teeth Number of Teeth	Show

	Number of Teeth Number of Teeth	Hide

6
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	Material Material

Steel

Iron

	Pitch Pitch

	OD OD

	ID ID

	Overall Width Overall Width

	For Roller Chain Strand Type For Roller Chain Strand Type

	Single

	Bore Type Bore Type


Machinable	Plain

	For Shaft Type For Shaft Type

	Round

	Roller Chain Standard Roller Chain Standard

ISO

DIN

	Specifications Met Specifications Met

ISO

DIN

	Sprocket Type Sprocket Type

Standard

	For Maximum Shaft Diameter For Maximum Shaft Diameter

	Hub Diameter Hub Diameter

	Mount Type Mount Type

	Bushing

	For Belt Trade Size For Belt Trade Size

GT2

GT3

	Finish Finish

Black Oxide

	Fabrication Fabrication

Machined

	Inside Width Inside Width

46.23 mm

	Number of Flanges Number of Flanges

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13 Products

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 DIN, ISO 08B Roller Chain (12.7 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
33	16	60	140.97	30	89	Steel	DIN 8187, ISO 606	00000000	000000
For DIN, ISO 10B Roller Chain (15.88 mm Pitch)
33	19	57	175.77	32	82	Steel	DIN 8187, ISO 606	00000000	00000
For DIN, ISO 12B Roller Chain (19.05 mm Pitch)
33	20	67	212.16	40	100	Steel	DIN 8187, ISO 606	00000000	000000
For DIN, ISO 16B Roller Chain (25.4 mm Pitch)
33	32	80	283.09	50	120	Steel	DIN 8187, ISO 606	00000000	000000
For DIN, ISO 20B Roller Chain (31.75 mm Pitch)
33	32	84	354.65	51	127	Steel	DIN 8187, ISO 606	00000000	000000
For DIN, ISO 24B Roller Chain (38.1 mm Pitch)
33	40	102	423.04	65	150	Steel	DIN 8187, ISO 606	00000000	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 08B Roller Chain (12.7 mm Pitch)
Number of Teeth	For Shaft Dia., mm	For Max. Shaft Dia., mm	OD, mm	Overall Wd., mm	Material	Specifications Met		Each
33	15	120	140.46	8	Steel	DIN 8187, ISO 606	00000000	000000
For ISO 10B Roller Chain (15.875 mm Pitch)
33	18	150	175.77	9	Steel	DIN 8187, ISO 606	00000000	00000
For ISO 12B Roller Chain (19.05 mm Pitch)
33	19	182	210.82	12	Steel	DIN 8187, ISO 606	00000000	00000
For ISO 16B Roller Chain (25.4 mm Pitch)
33	32	243	281.18	17	Steel	DIN 8187, ISO 606	00000000	000000
For ISO 20B Roller Chain (31.75 mm Pitch)
33	32	304	351.54	19	Steel	DIN 8187, ISO 606	00000000	000000
For ISO 24B Roller Chain (38.1 mm Pitch)
33	40	363	416.81	25	Steel	DIN 8187, ISO 606	00000000	000000

High-Strength GT Timing Belt Pulleys

For higher speed or higher torque applications, these GT series timing belt pulleys provide a more precise fit than HTD pulleys. Use them where accuracy is critical, such as in storage and retrieval systems or in robotics. Similar to HTD timing belt pulleys, their teeth are curved for high strength. The curved teeth create positive grip engagement with timing belts, so these pulleys do not require re-tensioning—unlike drives using V-belts or sheaves. And unlike chain drives, there’s no metal-on-metal contact, so these pulleys don’t require lubrication.

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

Bushing Mount

Without Hub—Two Flanges

For 40 mm Maximum Belt Width
Number of Teeth	Pitch, mm	ID	Bore Type	For Bushing Style	Inside Width, mm	Outside Width, mm	Overall Width, mm	Pitch Diameter, mm	Number of Flanges	Fabrication	Material		Each
33	14	2.75"	Plain	Taper-Lock Style 2012	46.23	54.1	54.1	147.066	2	Machined	Black-Oxide Iron	00000000	0000000

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