1 3/8" ID Sprockets | McMaster-Carr

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	Roller Chain Trade Size Roller Chain Trade Size

100

120

	Number of Teeth Number of Teeth

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
28
30
32
34
35
36
38
40
42
44
45
46
48
50
52
54
60
70
72
80
84
96
112

	System of Measurement System of Measurement

Inch

Metric

	For Shaft Diameter For Shaft Diameter

1 3/8"

	Pitch Pitch

	OD OD

	ID ID	Show

1 3/8"

	ID ID	Hide

	Bore Type Bore Type


Finished	Machinable

	For Shaft Type For Shaft Type

Round

Keyed

	Material Material

Steel

Stainless Steel

Iron

	Overall Width Overall Width

	For Roller Chain Strand Type For Roller Chain Strand Type

	Single

	Sprocket Type Sprocket Type

Standard

	Roller Chain Standard Roller Chain Standard

ANSI

	Keyway Width Keyway Width

5/16"

	Shaft Mount Type Shaft Mount Type

Set Screw

Press Fit

Clamp On

	Hub Diameter Hub Diameter

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

RoHS Compliant

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

REACH Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Keyway Depth Keyway Depth

1/16"

5/32"

	For Maximum Shaft Diameter For Maximum Shaft Diameter

	For Maximum Belt Width For Maximum Belt Width

219 Products

About Roller Chain and Sprockets

Sprockets for ANSI Roller Chain

Mount these sprockets onto your shaft and secure with a set screw—no machining necessary.

Machinable-Bore Sprockets for ANSI Roller Chain

For a custom fit on your shaft, these sprockets can be machined to your exact specifications.

Wear-Resistant Sprockets for ANSI Roller Chain

Hardened teeth give these steel sprockets increased wear resistance for a long service life.

Quick-Disconnect (QD) Bushings

The screw connections on these bushings easily mate to compatible quick-disconnect sprockets and pulleys.

Taper-Lock Bushings

Mount these hubless bushings flush into your sprocket or pulley for a slim profile with no protruding screws.

Split-Tapered Bushings

The tapered barrel on these bushings is split on both sides, allowing them to contract more tightly around the shaft than quick-disconnect and taper-lock bushings.

Flush-Mount Screw-Clamp Bushings

Insert these bushings into the bore of your sprocket for flush or recessed mounting.

Self-Centering Screw-Clamp Bushings

A mounting flange prevents movement during tightening, so it's easy to center these bushings in your sprocket.

Self-Adjusting Spring Bushings

A toothed slot lets these bushings contract for insertion into the bore of your sprocket or pulley and then expand for a snug fit.

L Series Quick-Disconnect Timing Belt Pulleys

Carry heavy loads without slippage—pulleys mount with a bushing for a more secure grip on the shaft than set screws.

H Series Quick-Disconnect Timing Belt Pulleys

Move heavy loads without slippage—pulleys mount with a bushing for a more secure grip on the shaft than set screws.

High-Strength HTD Timing Belt Pulleys

These HTD (high torque drive) pulleys have a curved tooth shape that provides higher strength than trapezoidal teeth.

High-Strength Corrosion-Resistant
HTD Timing Belt Pulleys

Move belts forward and backward or stop and start them in precise positions, especially in areas where rust is a concern.