36 mm Overall Width Sprockets

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9 Products

About Gears

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.

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
2	15	30	34	20	36	12	303 Stainless Steel	Not Hardened	24	16	00000000	000000
2	16	32	36	20	36	12	303 Stainless Steel	Not Hardened	26	16	00000000	00000
2	18	36	40	20	36	12	303 Stainless Steel	Not Hardened	30	16	00000000	00000
2	20	40	44	20	36	12	303 Stainless Steel	Not Hardened	32	16	00000000	00000
2	22	44	48	20	36	12	303 Stainless Steel	Not Hardened	36	16	00000000	00000
2	25	50	54	20	36	12	303 Stainless Steel	Not Hardened	40	16	00000000	00000
2	28	56	60	20	36	12	303 Stainless Steel	Not Hardened	45	16	00000000	000000
2	30	60	64	20	36	12	303 Stainless Steel	Not Hardened	50	16	00000000	000000

Metal Worms and Worm Gears

Worm and Gear Sold Separately

Worm gears use screw threads to make large reductions to shaft speed while transmitting motion at a right angle. They transmit motion from worm to gear and cannot be reversed. For gears and worms to mesh correctly, they must have the same pressure angle and pitch/module. These worms are compatible with plastic worm gears.

Speed ratio is the ratio by which output shaft speed is reduced. As speed decreases, torque increases.

Cast iron gears are strong and durable.

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

Metric Worm Gears

Gear

										Hub
Module	Speed Ratio	Number of Teeth	Pressure Angle	Gear Pitch Dia., mm	For Number of Thread Starts	OD, mm	Face Wd., mm	Overall Wd., mm	For Shaft Dia., mm	Dia., mm	Wd., mm	Material	For Thread Direction	Teeth Heat Treatment	Teeth Fabrication		Each
Round Bore—Cast Iron
2.5	10:1	20	20°	50	2	57.5	22	36	12	35	14	Cast Iron	Right Hand	Not Hardened	Not Ground	000000000	000000