60mm Hub Diameter Sprockets

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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 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
26	12	38	83	28	60	Steel	DIN 8187, ISO 606	0000000	000000
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

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 08B Roller Chain (12.7 mm Pitch)
Number of Teeth	For Bushing Style	OD, mm	Overall Wd., mm	Hub Dia., mm	Teeth Heat Treatment	Material	Specifications Met		Each
17	1210	75.95	25	60	Hardened	Steel	DIN 8187, ISO 606	00000000	000000

Metal Gears and Gear Racks—20° Pressure Angle

The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. Compared to plastic gears and racks, they’re better for high-load, high-speed, and heavy duty applications. Also known as spur gears.

Combine gears with different numbers of teeth to change speed and torque in your assembly. Combine a gear and rack to convert rotary motion into linear motion. To minimize your footprint, mount one or more standard gears inside of an internal gear.

For components to mesh correctly, they must have the same pressure angle and pitch/module.

Carbon steel components have hard, strong, and wear-resistant teeth, although they will rust when exposed to moisture and corrosive chemicals. They're best for high-torque machines, like lifting equipment, and heavy duty applications, such as rock crushing. Gears with teeth that are not hardened can be hardened to fit your application.

Stainless steel gears and racks resist rust in damp and wet environments, so they're commonly used in food-processing plants and other areas with frequent cleaning.

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

Metric Gears

Gear with Round Bore

									Hub
Module	Number of Teeth	Gear Pitch Dia., mm	OD, mm	Face Wd., mm	Overall Wd., mm	For Shaft Dia., mm	Material	Teeth Heat Treatment	Dia., mm	Wd., mm		Each
Round Bore
1	80	80	82	10	20	10	303 Stainless Steel	Not Hardened	60	10	00000000	0000000
1	120	120	122	10	20	12	303 Stainless Steel	Not Hardened	60	10	00000000	000000
1.5	80	120	123	15	25	15	Black-Oxide 1045 Carbon Steel	Not Hardened	60	10	00000000	00000
2	60	120	124	20	30	15	Black-Oxide 1045 Carbon Steel	Not Hardened	60	10	0000000	00000

High-Power Metal Bevel Gears

Gear and Pinion Sold Separately

Made from carbon steel with spiral teeth, these gears handle heavier loads at higher speeds than bevel gears with straight teeth because their teeth stay in contact longer. Their teeth engage gradually, which reduces vibration and noise, and they’re hardened for extra wear resistance. Use these gears to transmit motion at a right angle while changing shaft speed and torque. They reduce speeds at ratios of 2:1, 3:1, or 4:1. Customize their machinable bore to fit them on a variety of shafts. They’re also known as spiral bevel gears.

A complete set consists of a gear and pinion (sold separately). The gear is larger than the pinion, but for them to mesh correctly, they must have the same pressure angle, 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.

Gears

										Hub
Face Width, mm	Pressure Angle	Speed Ratio	Number of Teeth	Gear Pitch Dia., mm	OD, mm	Overall Width, mm	For Shaft Diameter, mm	Mounting Distance (A), mm	Material	Diameter, mm	Width, mm		Each
Machinable Round Bore
12	20°	4:1	60	90	90.36	24.1	12-45	32	Black-Oxide 1045 Carbon Steel	60	12	0000000	0000000

Pinions

Gear and Pinion Sold Separately

										Hub
Face Width, mm	Pressure Angle	Speed Ratio	Number of Teeth	Gear Pitch Dia., mm	OD, mm	Overall Width, mm	For Shaft Diameter, mm	Mounting Distance (B), mm	Material	Diameter, mm	Width, mm		Each
Machinable Round Bore
12	20°	4:1	15	23	26.09	23	8-10	56	Black-Oxide 1045 Carbon Steel	18	10	0000000	000000

Plastic Gears and Gear Racks—20° Pressure Angle

The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. Made of plastic, they run quieter than metal gears and have good corrosion and chemical resistance. They’re also known as spur gears.

Combine gears with different numbers of teeth to change speed and torque in your assembly. Combine a gear and rack to convert rotary motion into linear motion.

For components to mesh correctly, they must have the same pressure angle and pitch/module.

Nylon gears can be operated without lubrication, so they’re commonly used in food-processing machines.

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

Metric Gears

Round Bore

										Hub
Module	Number of Teeth	Gear Pitch Dia., mm	OD, mm	Face Wd., mm	Overall Wd., mm	For Shaft Dia., mm	Material	Fabrication	Color	Dia., mm	Wd., mm		Each
Round Bore
1.5	100	150	153	15	25	12	Nylon Plastic	Machined	Blue	60	10	00000000	0000000