32mm Overall Width Sprockets

	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

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

DFARS Specialty Metals
COTS-Exempt

	For Bushing Type For Bushing Type

Taper Lock

	Specifications Met Specifications Met

ISO

DIN

	Sprocket Type Sprocket Type

Standard

	Hub Diameter Hub Diameter

40mm

76 mm

90.47 mm

	Keyway Width Keyway Width

	Keyway Depth Keyway Depth

2.8mm

3.3mm

3.8mm

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20 Products

About Roller Chain and Sprockets

About Gears

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 10B Roller Chain (15.88 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
24	16	51	131.31	32	76	Steel	DIN 8187, ISO 606	00000000	000000
28	19	51	151.47	32	76	Steel	DIN 8187, ISO 606	00000000	00000

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 10B Roller Chain (15.88 mm Pitch)
Number of Teeth	For Bushing Style	OD, mm	Overall Wd., mm	Hub Dia., mm	Teeth Heat Treatment	Material	Specifications Met		Each
23	2012	124.97	32	90.47	Hardened	Steel	DIN 8187, ISO 606	00000000	0000000

Taper-Lock Bushings

Mount these hubless bushings flush into your sprocket or pulley for a slim profile with no protruding screws. They are for use with taper-lock sprockets of the same bushing style. As you tighten the included set screws, the bushing grips the shaft and pulls it into your sprocket or pulley.

		Keyway
For Shaft Dia.	Overall Wd.	Wd.	Dp.	Taper	Fastener Tightening Torque, in.-lbs.	Material	Includes		Each
2012 Style Bushing
20mm	32mm	6mm	2.8mm	8°	280	Steel	Set Screws	000000000	000000
22mm	32mm	6mm	2.8mm	8°	280	Steel	Set Screws	000000000	00000
24mm	32mm	8mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
25mm	32mm	8mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
28mm	32mm	8mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
30mm	32mm	8mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
32mm	32mm	10mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
35mm	32mm	10mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
38mm	32mm	10mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
40mm	32mm	12mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
42mm	32mm	12mm	3.3mm	8°	280	Steel	Set Screws	000000000	00000
45mm	32mm	14mm	3.8mm	8°	280	Steel	Set Screws	000000000	00000
50mm	32mm	14mm	3.8mm	8°	280	Steel	Set Screws	000000000	00000

Quick-Grip Screw-Clamp Bushings

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

Steel
For Shaft Dia.	OD	Overall Wd.	Max. Torque, in.-lbs.		Each
20mm	35mm	32mm	2,750	0000000	0000000
22mm	35mm	32mm	3,050	0000000	000000

Metal Bevel Gears

Gear and Pinion Sold Separately

Gear

A type of miter gear where one gear (sometimes called a pinion) is smaller than the other, bevel gears provide right-angle speed reduction at speed ratios ranging from 2:1 to 5:1. All are carbon steel for strength; they're compatible with plastic bevel gears. Teeth are not hardened so you can harden them to fit your application. Hardening a gear’s teeth increases its wear resistance.

A complete set consists of a gear and pinion (sold separately). For a gear and pinion to mesh correctly, they must have the same pressure angle, pitch/module, and face width. Speed ratio is the ratio by which shaft speed is reduced when transferring motion from pinion to gear. To increase shaft speed, transfer motion from gear to pinion. Changing shaft speed also changes torque: as speed decreases, torque increases.

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

Metric Gears

										Hub
Face Wd., mm	Module	Pressure Angle	Speed Ratio	Number of Teeth	Gear Pitch Dia., mm	OD, mm	Overall Wd., mm	For Shaft Dia., mm	Mounting Distance (A), mm	Dia., mm	Wd., mm	Material		Each
Round Bore
15	2	20°	2:1	40	80	81	32	12	45	40	18	Black-Oxide 1045 Carbon Steel	00000000	000000

Metric Pinions

Pinion

										Hub
Face Wd., mm	Module	Pressure Angle	Speed Ratio	Number of Teeth	Gear Pitch Dia., mm	OD, mm	Overall Wd., mm	For Shaft Dia., mm	Mounting Distance (B), mm	Dia., mm	Wd., mm	Material		Each
Round Bore
15	2	20°	2:1	20	40	45	34	12	60	32	18	Black-Oxide 1045 Carbon Steel	00000000	000000