112MXL Timing Belts | McMaster-Carr

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	Number of Teeth Number of Teeth

35
40
45
50
55
60
65
70
75
80
85
90
95
100
103
105
110
112
114
120
125
130
135
140
144
150
153
155
160
165
170
175
180
184
190
200
210
212
215
220
225
230
235
240
250
260
265
280
295
300
320
350
380
400
482
498
962

	Belt Trade Size Belt Trade Size

H8M

MXL

	System of Measurement System of Measurement

Inch

Metric

	Width Width

	Outer Circle Outer Circle

	Pitch Pitch

	Belt Trade Number Belt Trade Number

	Teeth Location Teeth Location


Teeth on One Side	Teeth on Both Sides

	Teeth Shape Teeth Shape

	Trapezoidal
	Curved
	Tire Track

	Material Material

	Reinforcement Material Reinforcement Material

Fiberglass

Kevlar

Carbon Fiber

	Color Color

	Black
	White

	Minimum Temperature Minimum Temperature

	Maximum Temperature Maximum Temperature

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

DFARS Specialty Metals
COTS-Exempt

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

RoHS Compliant

	Teeth Finish Teeth Finish

Nylon Coated

Polyamide Coated

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

REACH Compliant

	Manufacturer Equivalent Number Manufacturer Equivalent Number

226 Products

Timing Belts and Pulleys

L Series Timing Belts

Neoprene is reinforced with fiberglass for quiet operation with high strength.

L Series Dust-Free Timing Belts

Urethane has excellent abrasion resistance, so these belts don’t create dust while they run.

L Series Heat-Resistant Timing Belts

Withstanding temperatures up to 400° F, silicone is the best choice for use in hot environments. Belts have Kevlar reinforcement, which has very high strength, low stretch, and excellent shock resistance.

L Series Timing Belts with Teeth on Both Sides

Use a single belt to drive three or more pulleys in reversing and serpentine drive systems. These belts have teeth on both sides to transmit power from either side and rotate pulleys in opposite directions. Belts are neoprene with fiberglass reinforcement for quiet operation with high strength.

H Series Timing Belts

Good for use in general purpose drive systems, these belts combine quiet-running neoprene with high-strength fiberglass reinforcement.

MXL Series Timing Belts

Quiet-running neoprene is reinforced with high-strength fiberglass for use in general purpose drive systems.

MXL Series Dust-Free Timing Belts

Urethane has excellent abrasion resistance, so these belts don’t create dust while they run. They have Kevlar reinforcement, which has very high strength, low stretch, and excellent shock resistance.

MXL Series Cut-to-Length Timing Belts

Used to drive small-scale linear motion applications, these belts are neoprene with fiberglass reinforcement for quiet operation with high strength.

High-Strength HTD Timing Belts

HTD (high torque drive) timing belts have a curved tooth shape that provides higher strength than trapezoidal teeth. Belts are neoprene with fiberglass reinforcement for quiet operation.

High-Strength Ultra-Quiet Timing Belts

These quiet-running timing belts have a curved tooth shape that provides higher strength than trapezoidal teeth.

Ultra-High-Strength Poly Chain Timing Belts

Strong enough to replace roller chain, these timing belts combine the high strength of a curved tooth with high-strength carbon fiber reinforcement.