320MXL 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

MXL

	System of Measurement System of Measurement

Inch

Metric

	Width Width

	Outer Circle Outer Circle

	Pitch Pitch

0.080"

2 mm

2.030mm

	Belt Trade Number Belt Trade Number

	Teeth Location Teeth Location

	Teeth on One Side

	Teeth Shape Teeth Shape

	Trapezoidal
	Curved

	Material Material

Neoprene Rubber

Urethane Rubber

	Reinforcement Material Reinforcement Material

Fiberglass

Kevlar

	Color Color

	Black

	Minimum Temperature Minimum Temperature

-30° F

	Maximum Temperature Maximum Temperature

180° F

	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

	Teeth Finish Teeth Finish

Nylon 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

Gates PowerGrip GT

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MXL Series Timing Belts

Quiet-running neoprene is reinforced with high-strength fiberglass for use in general purpose drive systems. Belts are MXL series (miniature extra light) and have trapezoidal teeth. The teeth are nylon coated to protect the wear surface and minimize friction.

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

1/8" Wd.
Belt Trade Number	Outer Circle	Number of Teeth	Pitch	Material	Color	Temperature Range, ° F		Each
32MXL012	3.2"	40	0.080"	Neoprene	Black	-30° to 180°	00000000	00000
36MXL012	3.6"	45	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
40MXL012	4"	50	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
44MXL012	4.4"	55	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
48MXL012	4.8"	60	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
56MXL012	5.6"	70	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
64MXL012	6.4"	80	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
68MXL012	6.8"	85	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
72MXL012	7.2"	90	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
76MXL012	7.6"	95	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
80MXL012	8"	100	0.080"	Neoprene	Black	-30° to 180°	000000	0000
84MXL012	8.4"	105	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
88MXL012	8.8"	110	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
91MXL012	9.1"	114	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
96MXL012	9.6"	120	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
104MXL012	10.4"	130	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
112MXL012	11.2"	140	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
115MXL012	11.5"	144	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
120MXL012	12"	150	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
122MXL012	12.2"	153	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
124MXL012	12.4"	155	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
132MXL012	13.2"	165	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
140MXL012	14"	175	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
147MXL012	14.7"	184	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
152MXL012	15.2"	190	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
160MXL012	16"	200	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
168MXL012	16.8"	210	0.080"	Neoprene	Black	-30° to 180°	000000	0000
170MXL012	17"	212	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
180MXL012	18"	225	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
200MXL012	20"	250	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
208MXL012	20.8"	260	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
236MXL012	23.6"	295	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
240MXL012	24"	300	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
320MXL012	32"	400	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
398MXL012	39.8"	498	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
1/4" Wd.
32MXL025	3.2"	40	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
36MXL025	3.6"	45	0.080"	Neoprene	Black	-30° to 180°	000000	0000
40MXL025	4"	50	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
44MXL025	4.4"	55	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
48MXL025	4.8"	60	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
56MXL025	5.6"	70	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
64MXL025	6.4"	80	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
68MXL025	6.8"	85	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
72MXL025	7.2"	90	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
76MXL025	7.6"	95	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
80MXL025	8"	100	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
84MXL025	8.4"	105	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
88MXL025	8.8"	110	0.080"	Neoprene	Black	-30° to 180°	000000	0000
91MXL025	9.1"	114	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
96MXL025	9.6"	120	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
104MXL025	10.4"	130	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
112MXL025	11.2"	140	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
115MXL025	11.5"	144	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
120MXL025	12"	150	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
122MXL025	12.2"	153	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
124MXL025	12.4"	155	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
132MXL025	13.2"	165	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
140MXL025	14"	175	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
147MXL025	14.7"	184	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
152MXL025	15.2"	190	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
160MXL025	16"	200	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
168MXL025	16.8"	210	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
170MXL025	17"	212	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
180MXL025	18"	225	0.080"	Neoprene	Black	-30° to 180°	000000	0000
200MXL025	20"	250	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
208MXL025	20.8"	260	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
236MXL025	23.6"	295	0.080"	Neoprene	Black	-30° to 180°	0000000	00000
240MXL025	24"	300	0.080"	Neoprene	Black	-30° to 180°	0000000	00000
320MXL025	32"	400	0.080"	Neoprene	Black	-30° to 180°	0000000	00000
398MXL025	39.8"	498	0.080"	Neoprene	Black	-30° to 180°	00000000	0000
3mm Wd.
40MXL003M	81mm	40	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
45MXL003M	91mm	45	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
50MXL003M	101mm	50	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
55MXL003M	111mm	55	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
60MXL003M	121mm	60	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
65MXL003M	132mm	65	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
70MXL003M	142mm	70	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
75MXL003M	152mm	75	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
80MXL003M	162mm	80	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
90MXL003M	182mm	90	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
100MXL003M	203mm	100	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
110MXL003M	223mm	110	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
120MXL003M	243mm	120	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
130MXL003M	264mm	130	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
140MXL003M	284mm	140	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
150MXL003M	304mm	150	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
160MXL003M	325mm	160	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
175MXL003M	355mm	175	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
200MXL003M	406mm	200	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
250MXL003M	508mm	250	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
280MXL003M	568mm	280	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
300MXL003M	609mm	300	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
350MXL003M	711mm	350	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
400MXL003M	812mm	400	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
6mm Wd.
40MXL006M	81mm	40	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
45MXL006M	91mm	45	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
50MXL006M	101mm	50	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
55MXL006M	111mm	55	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
60MXL006M	121mm	60	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
65MXL006M	132mm	65	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
70MXL006M	142mm	70	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
75MXL006M	152mm	75	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
80MXL006M	162mm	80	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
90MXL006M	182mm	90	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
100MXL006M	203mm	100	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
110MXL006M	223mm	110	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
120MXL006M	243mm	120	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
130MXL006M	264mm	130	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
140MXL006M	284mm	140	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
150MXL006M	304mm	150	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
160MXL006M	325mm	160	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
175MXL006M	355mm	175	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
200MXL006M	406mm	200	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
225MXL006M	457mm	225	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
230MXL006M	467mm	230	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
250MXL006M	508mm	250	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
280MXL006M	568mm	280	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
300MXL006M	609mm	300	2.030mm	Neoprene	Black	-30° to 180°	0000000	0000
350MXL006M	711mm	350	2.030mm	Neoprene	Black	-30° to 180°	0000000	00000
400MXL006M	812mm	400	2.030mm	Neoprene	Black	-30° to 180°	0000000	00000

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. Belts are MXL series (miniature extra light) and have trapezoidal teeth.

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

1/8" Wd.
Belt Trade Number	Outer Circle	Number of Teeth	Pitch	Material	Color	Temperature Range, ° F		Each
28MXL012	2.8"	35	0.080"	Urethane	Black	-30° to 180°	00000000	00000
32MXL012	3.2"	40	0.080"	Urethane	Black	-30° to 180°	00000000	0000
36MXL012	3.6"	45	0.080"	Urethane	Black	-30° to 180°	00000000	0000
40MXL012	4"	50	0.080"	Urethane	Black	-30° to 180°	0000000	0000
48MXL012	4.8"	60	0.080"	Urethane	Black	-30° to 180°	0000000	0000
52MXL012	5.2"	65	0.080"	Urethane	Black	-30° to 180°	0000000	0000
56MXL012	5.6"	70	0.080"	Urethane	Black	-30° to 180°	0000000	0000
60MXL012	6"	75	0.080"	Urethane	Black	-30° to 180°	0000000	0000
64MXL012	6.4"	80	0.080"	Urethane	Black	-30° to 180°	0000000	0000
68MXL012	6.8"	85	0.080"	Urethane	Black	-30° to 180°	0000000	0000
70MXL012	7.2"	90	0.080"	Urethane	Black	-30° to 180°	0000000	0000
76MXL012	7.6"	95	0.080"	Urethane	Black	-30° to 180°	00000000	0000
80MXL012	8"	100	0.080"	Urethane	Black	-30° to 180°	0000000	0000
82MXL012	8.2"	103	0.080"	Urethane	Black	-30° to 180°	0000000	0000
88MXL012	8.8"	110	0.080"	Urethane	Black	-30° to 180°	0000000	0000
90MXL012	9"	112	0.080"	Urethane	Black	-30° to 180°	0000000	0000
91MXL012	9.1"	114	0.080"	Urethane	Black	-30° to 180°	00000000	0000
96MXL012	9.6"	120	0.080"	Urethane	Black	-30° to 180°	00000000	0000
100MXL012	10"	125	0.080"	Urethane	Black	-30° to 180°	00000000	0000
104MXL012	10.4"	130	0.080"	Urethane	Black	-30° to 180°	00000000	0000
108MXL012	10.8"	135	0.080"	Urethane	Black	-30° to 180°	00000000	0000
112MXL012	11.2"	140	0.080"	Urethane	Black	-30° to 180°	00000000	0000
115MXL012	11.5"	144	0.080"	Urethane	Black	-30° to 180°	00000000	0000
120MXL012	12"	150	0.080"	Urethane	Black	-30° to 180°	00000000	0000
124MXL012	12.4"	155	0.080"	Urethane	Black	-30° to 180°	00000000	0000
128MXL012	12.8"	160	0.080"	Urethane	Black	-30° to 180°	00000000	0000
132MXL012	13.2"	165	0.080"	Urethane	Black	-30° to 180°	00000000	0000
136MXL012	13.6"	170	0.080"	Urethane	Black	-30° to 180°	00000000	0000
144MXL012	14.4"	180	0.080"	Urethane	Black	-30° to 180°	00000000	0000
152MXL012	15.2"	190	0.080"	Urethane	Black	-30° to 180°	00000000	0000
172MXL012	17.2"	215	0.080"	Urethane	Black	-30° to 180°	00000000	0000
176MXL012	17.6"	220	0.080"	Urethane	Black	-30° to 180°	00000000	0000
180MXL012	18"	225	0.080"	Urethane	Black	-30° to 180°	00000000	0000
188MXL012	18.8"	235	0.080"	Urethane	Black	-30° to 180°	00000000	0000
192MXL012	19.2"	240	0.080"	Urethane	Black	-30° to 180°	00000000	0000
212MXL012	21.2"	265	0.080"	Urethane	Black	-30° to 180°	00000000	0000
224MXL012	22.4"	280	0.080"	Urethane	Black	-30° to 180°	00000000	0000
256MXL012	25.6"	320	0.080"	Urethane	Black	-30° to 180°	00000000	0000
304MXL012	30.4"	380	0.080"	Urethane	Black	-30° to 180°	00000000	0000
385MXL012	38.5"	482	0.080"	Urethane	Black	-30° to 180°	00000000	0000
770MXL012	77"	962	0.080"	Urethane	Black	-30° to 180°	00000000	00000
1/4" Wd.
28MXL025	2.8"	35	0.080"	Urethane	Black	-30° to 180°	00000000	0000
32MXL025	3.2"	40	0.080"	Urethane	Black	-30° to 180°	00000000	0000
36MXL025	3.6"	45	0.080"	Urethane	Black	-30° to 180°	00000000	0000
40MXL025	4"	50	0.080"	Urethane	Black	-30° to 180°	0000000	0000
48MXL025	4.8"	60	0.080"	Urethane	Black	-30° to 180°	0000000	0000
52MXL025	5.2"	65	0.080"	Urethane	Black	-30° to 180°	0000000	0000
56MXL025	5.6"	70	0.080"	Urethane	Black	-30° to 180°	0000000	0000
60MXL025	6"	75	0.080"	Urethane	Black	-30° to 180°	0000000	0000
68MXL025	6.8"	85	0.080"	Urethane	Black	-30° to 180°	0000000	0000
72MXL025	7.2"	90	0.080"	Urethane	Black	-30° to 180°	0000000	0000
76MXL025	7.6"	95	0.080"	Urethane	Black	-30° to 180°	00000000	0000
88MXL025	8.8"	110	0.080"	Urethane	Black	-30° to 180°	0000000	0000
80MXL025	8"	100	0.080"	Urethane	Black	-30° to 180°	0000000	0000
82MXL025	8.2"	103	0.080"	Urethane	Black	-30° to 180°	0000000	0000
90MXL025	9"	112	0.080"	Urethane	Black	-30° to 180°	0000000	0000
91MXL025	9.1"	114	0.080"	Urethane	Black	-30° to 180°	00000000	0000
96MXL025	9.6"	120	0.080"	Urethane	Black	-30° to 180°	00000000	0000
100MXL025	10"	125	0.080"	Urethane	Black	-30° to 180°	00000000	0000
104MXL025	10.4"	130	0.080"	Urethane	Black	-30° to 180°	00000000	0000
108MXL025	10.8"	135	0.080"	Urethane	Black	-30° to 180°	00000000	0000
112MXL025	11.2"	140	0.080"	Urethane	Black	-30° to 180°	00000000	0000
115MXL025	11.5"	144	0.080"	Urethane	Black	-30° to 180°	00000000	0000
120MXL025	12"	150	0.080"	Urethane	Black	-30° to 180°	00000000	0000
124MXL025	12.4"	155	0.080"	Urethane	Black	-30° to 180°	00000000	0000
128MXL025	12.8"	160	0.080"	Urethane	Black	-30° to 180°	00000000	0000
132MXL025	13.2"	165	0.080"	Urethane	Black	-30° to 180°	00000000	0000
136MXL025	13.6"	170	0.080"	Urethane	Black	-30° to 180°	00000000	0000
144MXL025	14.4"	180	0.080"	Urethane	Black	-30° to 180°	00000000	0000
152MXL025	15.2"	190	0.080"	Urethane	Black	-30° to 180°	00000000	0000
172MXL025	17.2"	215	0.080"	Urethane	Black	-30° to 180°	00000000	0000
176MXL025	17.6"	220	0.080"	Urethane	Black	-30° to 180°	00000000	0000
180MXL025	18"	225	0.080"	Urethane	Black	-30° to 180°	00000000	0000
188MXL025	18.8"	235	0.080"	Urethane	Black	-30° to 180°	00000000	0000
192MXL025	19.2"	240	0.080"	Urethane	Black	-30° to 180°	00000000	0000
212MXL025	21.2"	265	0.080"	Urethane	Black	-30° to 180°	00000000	0000
224MXL025	22.4"	280	0.080"	Urethane	Black	-30° to 180°	00000000	0000
256MXL025	25.6"	320	0.080"	Urethane	Black	-30° to 180°	00000000	0000
304MXL025	30.4"	380	0.080"	Urethane	Black	-30° to 180°	00000000	0000
385MXL025	38.5"	482	0.080"	Urethane	Black	-30° to 180°	00000000	0000
770MXL025	77"	962	0.080"	Urethane	Black	-30° to 180°	00000000	00000

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. Belts are MXL series (miniature extra light) and have trapezoidal teeth. The teeth are nylon coated to protect the wear surface and minimize friction.

These belts have a maximum continuous length of 50 feet.

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

1/4" Wd.
Belt Trade Number	Pitch	Material	Color	Temperature Range, ° F		Per Ft.
LL025MXL	0.080"	Neoprene	Black	-30° to 180°	0000000	00000
3/8" Wd.
LL037MXL	0.080"	Neoprene	Black	-30° to 180°	0000000	0000
1/2" Wd.
LL050MXL	0.080"	Neoprene	Black	-30° to 180°	0000000	0000

High-Strength Ultra-Quiet Timing Belts

Curved Teeth

Also known as GT profile belts, belts with curved teeth minimize vibration and noise output. The teeth distribute pressure uniformly, so they wear evenly and last longer. Close engagement of the tooth and pulley offers more precise timing in heavy-load systems than trapezoidal teeth and HTD belts. Belts are neoprene, which is flexible and operates quietly. The fiberglass reinforcement on these belts add greater durability.

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

Curved Teeth
Belt Trade Number	Manufacturer Equivalent Number	Outer Circle, mm	Number of Teeth	Pitch, mm	Material	Color	Temperature Range, ° F		Each
6 mm Wd.
640-2P-06	Gates PowerGrip GT	640	320	2	Neoprene	Black	-30° to 180°	00000000	000000