9.53mm Gears | McMaster-Carr

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	Number of Teeth Number of Teeth

8
9
10
11
12
13
14
15
16
17
18
19
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21
22
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24
25
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	System of Measurement System of Measurement

Metric

	For Shaft Diameter For Shaft Diameter

	For Maximum Shaft Diameter For Maximum Shaft Diameter

	Roller Chain Trade Size Roller Chain Trade Size

06B

06B-2

	OD OD

	Pitch Pitch	Show

9.53mm

	Pitch Pitch	Hide

	Material Material

Steel

Stainless Steel

Aluminum

	Bore Type Bore Type

Machinable

Finished

Bushing

	Hub Diameter Hub Diameter

	For Roller Chain Strand Type For Roller Chain Strand Type


Single	Double

	Overall Width Overall Width

	For Belt Trade Size For Belt Trade Size

	For Maximum Belt Width For Maximum Belt Width

12.7mm

	Teeth Shape Teeth Shape

	Trapezoidal

	For Shaft Type For Shaft Type

	Round

	ID ID

	Pitch Diameter Pitch Diameter

	Specifications Met Specifications Met

ISO

DIN

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Roller Chain Standard Roller Chain Standard

ISO

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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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
8	8	9	28	22	13	Steel	DIN 8187, ISO 606	0000000	000000
9	8	11	31	22	16	Steel	DIN 8187, ISO 606	0000000	00000
10	8	12	34	22	20	Steel	DIN 8187, ISO 606	0000000	00000
11	8	14	37	25	23	Steel	DIN 8187, ISO 606	0000000	00000
12	8	16	41.91	25	26	Steel	DIN 8187, ISO 606	000000	00000
13	10	18	43	25	29	Steel	DIN 8187, ISO 606	0000000	00000
14	10	16	48.01	25	31	Steel	DIN 8187, ISO 606	000000	00000
15	10	20	51.05	25	34	Steel	DIN 8187, ISO 606	000000	00000
16	10	22	53.85	25	37	Steel	DIN 8187, ISO 606	000000	00000
17	10	25	56.9	28	40	Steel	DIN 8187, ISO 606	000000	00000
18	10	25	59.94	28	43	Steel	DIN 8187, ISO 606	000000	00000
19	10	28	62.99	28	46	Steel	DIN 8187, ISO 606	000000	00000
20	10	30	66.04	28	49	Steel	DIN 8187, ISO 606	000000	00000
21	12	30	69.09	28	50	Steel	DIN 8187, ISO 606	0000000	00000
22	12	32	72.14	28	51	Steel	DIN 8187, ISO 606	0000000	00000
23	12	32	73.5	28	52	Steel	DIN 8187, ISO 606	0000000	00000
24	12	32	77	28	54	Steel	DIN 8187, ISO 606	0000000	00000
25	12	35	81.03	28	57	Steel	DIN 8187, ISO 606	0000000	00000
26	12	38	83	28	60	Steel	DIN 8187, ISO 606	0000000	00000
27	12	38	86	28	60	Steel	DIN 8187, ISO 606	00000000	00000
28	12	38	89	28	60	Steel	DIN 8187, ISO 606	00000000	00000
29	12	38	92	28	60	Steel	DIN 8187, ISO 606	00000000	00000
30	12	38	96.27	30	60	Steel	DIN 8187, ISO 606	0000000	00000
32	14	40	102.73	30	65	Steel	DIN 8187, ISO 606	00000000	00000
40	16	45	126.96	30	70	Steel	DIN 8187, ISO 606	00000000	00000
45	16	45	142.1	30	75	Steel	DIN 8187, ISO 606	00000000	00000

Machinable-Bore Corrosion-Resistant Sprockets for Metric Roller Chain

Machine the center of these sprockets to fit the exact dimensions of your shaft. They come machined to the shaft diameter size listed and are machinable up to the maximum shaft diameter size. The teeth are sized to fit into metric ISO roller chain. Made from stainless steel, they won’t corrode from humidity or frequent washdowns. The extended hub makes these sprockets more stable and more durable than sprockets with flat hubs. They meet ISO 606 (formerly DIN 8187), which is an international standard for dimensions and materials.

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
14	10	19	48.36	25	31	Stainless Steel	DIN 8187, ISO 606	0000000	0000000
17	10	25	57.39	25	40	Stainless Steel	DIN 8187, ISO 606	0000000	000000

Sprockets for Double-Strand Metric Roller Chain

The double row of teeth on these sprockets are designed to fit into metric ISO double-strand roller chain. They have an unfinished bore that’s machined to the shaft diameter size listed. Machine them to fit any shaft up to the maximum shaft diameter size. The extended hub makes these sprockets more stable and more durable than flat sprockets. They meet ISO 606 (formerly DIN 8187), which is an international standard for sprocket and roller chain dimensions and materials.

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

For ISO 06B-2 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
12	10	16	42.36	25	25	Steel	DIN 8187, ISO 606	00000000	000000
14	10	18	48.36	25	31	Steel	DIN 8187, ISO 606	00000000	00000
15	10	20	51.37	25	34	Steel	DIN 8187, ISO 606	00000000	00000
16	12	20	54.38	30	37	Steel	DIN 8187, ISO 606	00000000	00000
17	12	24	57.39	30	40	Steel	DIN 8187, ISO 606	00000000	00000
18	12	25	60.41	30	43	Steel	DIN 8187, ISO 606	00000000	00000
19	12	28	63.43	30	46	Steel	DIN 8187, ISO 606	00000000	00000
20	12	30	66.44	30	49	Steel	DIN 8187, ISO 606	00000000	00000
21	12	30	69.46	30	52	Steel	DIN 8187, ISO 606	0000000	00000
25	12	40	81.55	30	64	Steel	DIN 8187, ISO 606	00000000	00000
27	12	45	87.6	30	70	Steel	DIN 8187, ISO 606	00000000	00000
30	12	52	96.68	30	80	Steel	DIN 8187, ISO 606	00000000	00000

Idler Sprockets for Metric Roller Chain

Keep constant tension on your drive with these sprockets that press against your metric ISO roller chain to take up slack and reduce wear and vibration. They rotate freely on built-in ball bearings, which are double sealed to keep dirt out, and are for use with roller chain tensioners. All come with a finished bore that fits directly onto your shaft—no need for machining. These sprockets meet ISO 606, which is an international standard for dimensions and materials.

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

						Bearing
Number of Teeth	For Shaft Dia., mm	OD, mm	Overall Wd., mm	Hub Dia., mm	Material	Type	Material	Specifications Met		Each
For ISO 06B Roller Chain (9.53 mm Pitch)
21	16	68	18	40	Steel	Ball	Steel	ISO 606	0000000	000000

Taper-Lock Bushing-Bore Sprockets for Metric Roller Chain

While their teeth fit into metric ISO roller chain, these sprockets use taper-lock bushings to grip shafts. That means you can switch to a different diameter shaft by changing the bushing instead of machining the sprocket. Bushings mount flush inside these sprockets; secure them in place by tightening the set screws included with the bushings. These sprockets have an extended hub that makes them more stable and durable than flat sprockets. All meet ISO 606 (formerly DIN 8187), which is an international standard for sprocket and roller chain dimensions and materials.

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

For Single-Strand Roller Chain

For ISO 06B Roller Chain (9.53 mm Pitch)
Number of Teeth	For Bushing Style	OD, mm	Overall Wd., mm	Hub Dia., mm	Teeth Heat Treatment	Material	Specifications Met		Each
18	1008	59.94	22	47.63	Hardened	Steel	DIN 8187, ISO 606	00000000	000000
22	1210	72.14	25	60.33	Hardened	Steel	DIN 8187, ISO 606	00000000	00000
26	1610	84.07	25	73.03	Hardened	Steel	DIN 8187, ISO 606	00000000	00000
28	1610	90.17	25	73.03	Hardened	Steel	DIN 8187, ISO 606	00000000	00000

L Series Corrosion-Resistant Timing Belt Pulleys

Pulleys are anodized aluminum, which is more corrosion resistant than steel. All are L series (light) and have trapezoidal teeth. 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.

Press-Fit Mount with Set Screw

For 12.7 mm Max. Belt Wd.
OD	Number of Teeth	Pitch	For Shaft Dia.	Bore Type	Inside Wd.	Outside Wd.	Overall Wd.	Pitch Dia.	Number of Flanges	Fabrication	Material	Hub Dia.		Each
36.53mm	10	9.53mm	10mm	Finished	13.97mm	18.26mm	28.57mm	30.32mm	2	Machined	Anodized Aluminum	22.22mm	0000000	000000
42.06mm	12	9.53mm	10mm	Finished	13.97mm	18.26mm	30.17mm	36.37mm	2	Machined	Anodized Aluminum	28.57mm	0000000	00000
45.24mm	13	9.53mm	10mm	Finished	13.97mm	18.26mm	30.17mm	39.42mm	2	Machined	Anodized Aluminum	28.57mm	0000000	00000
48.41mm	14	9.53mm	12mm	Finished	13.97mm	18.26mm	30.17mm	42.44mm	2	Machined	Anodized Aluminum	31.75mm	0000000	00000
51.59mm	15	9.53mm	12mm	Finished	13.97mm	18.26mm	31.75mm	45.46mm	2	Machined	Anodized Aluminum	34.92mm	0000000	00000
53.98mm	16	9.53mm	14mm	Finished	13.97mm	18.26mm	31.75mm	48.51mm	2	Machined	Anodized Aluminum	34.92mm	0000000	00000
57.15mm	17	9.53mm	14mm	Finished	13.97mm	18.26mm	31.75mm	51.53mm	2	Machined	Anodized Aluminum	38.1mm	0000000	00000
60.33mm	18	9.53mm	14mm	Finished	13.97mm	18.26mm	31.75mm	54.58mm	2	Machined	Anodized Aluminum	41.27mm	0000000	00000
66.68mm	20	9.53mm	14mm	Finished	13.97mm	18.26mm	33.32mm	60.62mm	2	Machined	Anodized Aluminum	46.02mm	0000000	00000
73.03mm	22	9.53mm	14mm	Finished	13.97mm	18.26mm	34.92mm	66.7mm	2	Machined	Anodized Aluminum	53.97mm	0000000	00000
78.59mm	24	9.53mm	14mm	Finished	13.97mm	18.26mm	34.92mm	72.77mm	2	Machined	Anodized Aluminum	57.15mm	0000000	00000
84.58mm	26	9.53mm	14mm	Finished	14.73mm	18.26mm	34.92mm	78.84mm	2	Machined	Anodized Aluminum	57.15mm	0000000	00000
96.52mm	30	9.53mm	14mm	Finished	14.73mm	19.05mm	34.92mm	90.95mm	2	Machined	Anodized Aluminum	57.15mm	0000000	000000
102.72mm	32	9.53mm	14mm	Finished	14.73mm	19.05mm	34.92mm	97.02mm	2	Machined	Anodized Aluminum	66.67mm	0000000	000000
127mm	40	9.53mm	14mm	Finished	14.73mm	19.05mm	34.92mm	121.28mm	2	Machined	Anodized Aluminum	92.07mm	0000000	000000