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Imperial-Series

english pitch polyurethane timing belts

In addition to metric pitches, we also offer a wide range of timing belts with English pitches. Use them for any driving or conveying applications. You can also order pulleys in Imperial measurement to mesh perfectly with these belts.

  • Manufactured to ANSI/RMA standard
  • Used for profiled belt applications with inch based profile spacing
  • Upgrade neoprene belts to high-grade polyurethane belts without replacing pulleys
  • Wide range of sizes available
m example
imperial pitch

Open Ended - M

MXL (0.80)

Width (inches) 0.157 0.236 0.394 0.630
Width (mm) 4 6 10 16
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length (mm) Any lengths available. Stock rolls 50 meters.
Available Options N/A
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

XL (T1/5")

Width (inches) 0.25 0.313 0.375 0.5 0.75 1.0
Width (mm) 6.35 7.94 9.53 12.7 19.05 25.4
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Any length is available. Stock rolls are 50 meters (164 feet)
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

L (T3/8")

Width (inches) 0.375 0.5 0.75 1.0 1.5 2.0 3.0
Width (mm) 9.53 12.7 19.05 25.4 38.1 50.8 76.2
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Any length is available. Stock rolls are 50 meters (164 feet)
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

H (T1/2")

Width (inches) 0.5 0.75 1.0 1.5 2.0 3.0 4.0 6.0
Width (mm) 12.7 19.05 25.4 38.1 50.8 76.2 101.6 152.45
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Any length is available. Stock rolls are 50 meters (164 feet)
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR), Polyurethane cover (T-Cover), Double-Sided (DL), Extra thickness (DR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

XH (T7/8")

Width (inches) 1.0 1.5 2.0 3.0 4.0
Width (mm) 25.4 38.1 50.8 76.2 101.6
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Any length is available. Stock rolls are 50 meters (164 feet)
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
HTD sample
english pitch part number variation

Spliced and Welded - V

XL (T1/5")

Width (inches) 0.375 0.5 0.75 1.0
Width (mm) 9.53 12.7 19.05 25.4
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length: 878.84mm (34.6"). Specify length in one tooth increments.
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

L (T3/8")

Width (inches) 0.375 0.5 0.75 1.0 1.5 2.0 3.0
Width (mm) 9.53 12.7 19.05 25.4 38.1 50.8 76.2
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length: 752.5mm (29.6"). Specify length in one tooth increments.
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

H (T1/2")

Width (inches) 0.5 0.75 1.0 1.5 2.0 3.0 4.0 6.0
Width (mm) 12.7 19.05 25.4 38.1 50.8 76.2 101.6 152.45
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length: 876.3mm (34.5"). Specify length in one tooth increments.
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR), Polyurethane cover (T-Cover), Double-Sided (DL), Extra thickness (DR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

XH (T7/8")

Width (inches) 1.0 1.5 2.0 3.0 4.0
Width (mm) 25.4 38.1 50.8 76.2 101.6
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length: 889mm (35"). Specify length in one tooth increments.
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
at timing belt BFX

Truly Endless - BFX

MXL (0.80)

Width (inches) .157 .236 .394 .472 .630 .787 .984 1.260 1.969 3.937
Width (mm) 4 6 10 12 16 20 25 32 50 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

MXL Open Ended Timing Belt Part Numbers

Length/Pitch Code Length mm # of Teeth
44 MXL 111.76 55
45 MXL 113.79 56
48 MXL 121.92 60
52 MXL 132.08 65
56 MXL 142.24 70
57 MXL 144.27 71
64 MXL 162.56 80
72 MXL 182.88 90
78 MXL 197.10 97
80 MXL 203.20 100
82 MXL 209.30 103
84 MXL 213.36 105
96 MXL 243.84 120
Length/Pitch Code Length mm # of Teeth
101 MXL 256.03 126
104 MXL 264.16 130
112 MXL 284.48 140
120 MXL 304.80 150
140 MXL 355.60 175
147 MXL 373.89 184
177 MXL 449.07 221
198 MXL 503.94 248
205 MXL 520.19 256
236 MXL 599.44 295
288 MXL 731.52 360
464 MXL 1178.56 580

XL (T1/5")

Width (inches) .25 0.313 0.375 0.5 0.75 1.0 1.5 2.0 3.0 4.0
Width (mm) 6.35 7.94 9.53 12.7 19.05 25.4 38.1 50.8 76.2 101.6
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

XL Open-Ended Stock Timing Belt Part Numbers

Length/Pitch Code Length mm # of Teeth
60 XL 152.4 30
70 XL 177.8 35
80 XL 203.2 40
90 XL 228.6 45
100 XL 254.0 50
110 XL 279.4 55
120 XL 304.8 60
130 XL 330.2 65
140 XL 355.6 70
150 XL 381.0 75
160 XL 406.4 80
Length/Pitch Code Length mm # of Teeth
170 XL 431.8 85
180 XL 457.2 90
190 XL 482.6 95
200 XL 508.0 100
210 XL 533.4 105
220 XL 558.8 110
230 XL 584.2 115
240 XL 609.6 120
250 XL 635.0 125
260 XL 660.4 130

L (T3/8")

Width (inches) 0.375 0.5 0.75 1.0 1.5 2.0 3.0 4.0
Width (mm) 9.53 12.7 19.05 25.4 38.1 50.8 76.2 101.6
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Max length: 14,992.35mm (590.25"). Lengths increase in one tooth increments from a minimum length of 723.9mm (28.5")
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

L Pitch Open-Ended Stock Timing Belt Part Numbers

Length/Pitch Code Length mm # of Teeth
124 L 314.33 33
150 L 381.00 40
187 L 476.25 50
202 L 514.35 54
210 L 533.40 56
225 L 571.50 60
240 L 609.60 64
255 L 647.70 68
270 L 685.80 72
285 L 723.90 76
300 L 762.00 80
322 L 819.15 86
345 L 876.30 92
367 L 933.45 98
Length/Pitch Code Length mm #of Teeth
390 L 990.60 104
420 L 1066.80 112
450 L 1143.00 120
480 L 1219.20 128
540 L 1371.60 144
570 L 1447.80 152
600 L 1524.00 160
630 L 1600.20 168
660 L 1676.40 176
705 L 1790.70 188
750 L 1905.00 200
1102 L 2800.35 294
2002 L 5086.35 534
3000 L 7620.00 800

H (T1/2")

Width (inches) 0.5 0.75 1.0 1.5 2.0 3.0 4.0
Width (mm) 12.7 19.05 25.4 38.1 50.8 76.2 101.6
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Max length: 16,002mm (630"). Length can be increased in one tooth increments from a minimum length of 723.9 mm (28.5")
Available Options Nylon facing on tooth side (PAZ), Polyurethane cover (T-Cover), Double-Sided (DL), Extra thickness (DR)
Tension Members Steel standard
Request a Timing Belt Quote

H (T1/2") Truly Endless BFX Stock Timing Belt Part Numbers

Length/Pitch Code Length mm # of Teeth
285 H 723.9 57
300 H 762 60
315 H 800.1 63
330 H 838.2 66
345 H 876.3 69
360 H 914.4 72
375 H 952.5 75
390 H 990.6 78
405 H 1028.7 81
420 H 1066.8 84
450 H 1143 90
480 H 1219.2 96
510 H 1295.4 102
540 H 1371.6 108
570 H 1447.8 114
600 H 1524 120
Length/Pitch Code Length mm # of Teeth
630 H 1600.2 126
660 H 1676.4 132
700 H 1778 140
750 H 1905 150
800 H 2032 160
850 H 2159 170
900 H 2286 180
1000 H 2540 200
1100 H 2794 220
1250 H 3175 250
1400 H 3556 280
1700 H 4318 340
2000 H 5080 400
2300 H 5842 460
2600 H 6604 520
3000 H 7620 600

XH (T7/8")

Width (inches) 0.75 1.0 1.5 2.0 3.0 4.0
Width (mm) 19.05 25.4 38.1 50.8 76.2 101.6
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further lengths up to 16,001mm (630 inches) available. Length can be increased in one tooth increments from a minimum length of 1422.4mm (56 inches)
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

XH Open-Ended Stock Timing Belt Part Numbers

Length/Pitch Code Length mm # of Teeth
560 XH 1422.40 64
630 XH 1600.20 72
700 XH 1778.00 80
770 XH 1955.80 88
840 XH 2133.60 96
980 XH 2489.20 112
1120 XH 2844.80 128
1260 XH 3200.40 144
Length/Pitch Code Length mm # of Teeth
1400 XH 3556.00 160
1540 XH 3911.60 176
1750 XH 4445.00 200
1960 XH 4978.40 224
2275 XH 5778.50 260
2450 XH 6223.00 280
3500 XH 8890.00 400
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