Self-Tracking-Series

Self-tracking timing belts provide you with smooth operation and improved tracking.

  • No pulley flanges necessary
  • Suitable for side loading
  • Tracking guides available in K6 and K13
  • Available in most pitches with molded, homogeneous, serrated guides for the best belt performance and flexibility
  • Solid tracking guides can be added to any belt in all pitches

For self-tracking timing belts with additional performance advantages, see our patented ARC-POWER®Self-Tracking Timing Belts.

self-tracking-open-ended
open ended part number example

Open Ended - M

Width (mm) 25 32 50
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
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
Width (mm) 25 50
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
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
Width (mm) 25 32 50 75 100
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
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR), Polyurethane back cover (T-cover)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
Width (mm) 32 50 75 100 150
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
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR), Polyurethane back cover (T-cover), Extra Thick (DR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
Width (mm) 25 32 50
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
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
Width (mm) 25 50
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
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
Width (mm) 25 32 50 75 100 150
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
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR), Polyurethane back cover (T-cover)
Tension Members Steel only
Request a Timing Belt Quote
Width (mm) 50 75 100
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
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel only
Request a Timing Belt Quote
Width (mm) 50 75 100
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
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel only
Note: Location of self-tracking guide always 25mm from belt edge
Request a Timing Belt Quote
Width (mm) 50 75 100
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
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel standard, Kevlar optional
Note: Location of self-tracking guide always 25mm from belt edge
Request a Timing Belt Quote
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), Polyuretherane cover (T-Cover)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
self-tracking-v
V part number example

Spliced and Welded - V

Width (mm) 50 75 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify additional lengths 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
Width (mm) 25 50
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify length of timing belt 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
Width (mm) 25 32 50 75 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify length of timing belt in one tooth increments.
Available Options Nylon facing on tooth side (PAZ), Nylon facing on back (PAR), Nylon on both sides (PAZ-PAR), Polyurethan cover (T-cover)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
Width (mm) 32 50 75 100 150
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length: 1000mm. Specify timing belt length in one tooth increments
Available Options Nylon facing on tooth side (PAZ), Nylon facing on back (PAR), Nylon on both sides (PAZ-PAR), Polyurethane cover (T-cover), Extra Thick (DR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
Width (mm) 25 32 50
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify larger lengths 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
Width (mm) 25 50
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify larger lengths 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
Width (mm) 25 32 50 75 100 150
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify additional lengths in one tooth increments
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR), Polyuretherane cover (T-Cover)
Tension Members Steel only
Request a Timing Belt Quote
Width (mm) 50 75 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify additional lengths in one tooth increments
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel only
Request a Timing Belt Quote
Width (mm) 50 75 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 990.6mm. Specify additional lengths in one tooth increments
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel only
Note: Location of self-tracking guide is always 25mm from belt edge.
Request a Timing Belt Quote
Width (mm) 50 75 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Minimum joined length is 1000mm. Specify additional lengths in one tooth increments
Available Options Nylon facing on tooth side (PAZ), Nylon backing (PAR), Nylon on both sides (PAZ-PAR)
Tension Members Steel only
Note: Location of self-tracking guide is always 25mm from belt edge.
Request a Timing Belt Quote
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: 990.6 (39"). Length can be specified in one tooth increments
Available Options Nylon facing on tooth side (PAZ), Nylon facing on back (PAR), Nylon on both sides (PAZ-PAR), Polyurethan cover (T-cover)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote
self-tracking-truly-endless
truly endless bfx part number example

Truly Endless - BFX

Width (mm) 25 50 75 (100 - solid guide)
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further length up to 15,000mm available. Timing belt length can be increased in one tooth increments from a minimum length of 720mm.
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel standard
Request a Timing Belt Quote

TK5 K6 Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
TK5 K6 / 1075 BFX 215
TK5 K6 / 1100 BFX 220
TK5 K6 / 1215 BFX 243
TK5 K6 / 1380 BFX 276
TK5 K6 / 1400 BFX 280
TK5 K6 / 1500 BFX 300
TK5 K6 / 1600 BFX 320
TK5 K6 / 1700 BFX 340
TK5 K6 / 1800 BFX 360
TK5 K6 / 1900 BFX 380
TK5 K6 / 2000 BFX 400
TK5 K6 / 2120 BFX 424
TK5 K6 / 2240 BFX 448
TK5 K6 / 2360 BFX 472
TK5 K6 / 2500 BFX 500
TK5 K6 / 2650 BFX 530
TK5 K6 / 2800 BFX 560
Pitch/Length # Teeth
TK5 K6 / 3000 BFX 600
TK5 K6 / 3150 BFX 630
TK5 K6 / 3350 BFX 670
TK5 K6 / 3550 BFX 710
TK5 K6 / 3750 BFX 750
TK5 K6 / 4000 BFX 800
TK5 K6 / 4450 BFX 850
TK5 K6 / 4500 BFX 900
TK5 K6 / 4750 BFX 950
TK5 K6 / 5000 BFX 1000
TK5 K6 / 5300 BFX 1060
TK5 K6 / 5600 BFX 1120
TK5 K6 / 6000 BFX 1200
TK5 K6 / 6300 BFX 1260
TK5 K6 / 6700 BFX 1340
TK5 K6 / 7100 BFX 1420
TK5 K6 / 7500 BFX 1500
Width (mm) 25 50 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further lengths up to 20,000mm available. Timing belt can be increased in one tooth increments from a minimum of 720mm, except 1080mm minimum length for widths >50mm.
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel only
Request a Timing Belt Quote

TK10 K6 Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
TK10 K6 / 1080 BFX 108
TK10 K6 / 1150 BFX 115
TK10 K6 / 1210 BFX 121
TK10 K6 / 1240 BFX 124
TK10 K6 / 1250 BFX 125
TK10 K6 / 1320 BFX 132
TK10 K6 / 1350 BFX 135
TK10 K6 / 1390 BFX 139
TK10 K6 / 1400 BFX 140
TK10 K6 / 1420 BFX 142
TK10 K6 / 1460 BFX 146
TK10 K6 / 1500 BFX 150
TK10 K6 / 1560 BFX 156
TK10 K6 / 1610 BFX 161
TK10 K6 / 1750 BFX 175
TK10 K6 / 1780 BFX 178
TK10 K6 / 1880 BFX 188
TK10 K6 / 1960 BFX 196
TK10 K6 / 2250 BFX 225
TK10 K6 / 2360 BFX 236
TK10 K6 / 2500 BFX 250
Pitch/Length # Teeth
TK10 K6 / 2650 BFX 265
TK10 K6 / 2800 BFX 280
TK10 K6 / 3000 BFX 300
TK10 K6 / 3100 BFX 310
TK10 K6 / 3150 BFX 315
TK10 K6 / 3350 BFX 335
TK10 K6 / 3750 BFX 375
TK10 K6 / 4000 BFX 400
TK10 K6 / 4250 BFX 425
TK10 K6 / 4500 BFX 450
TK10 K6 / 4750 BFX 475
TK10 K6 / 5000 BFX 500
TK10 K6 / 5300 BFX 530
TK10 K6 / 5600 BFX 560
TK10 K6 / 6000 BFX 600
TK10 K6 / 6300 BFX 630
TK10 K6 / 6700 BFX 670
TK10 K6 / 7100 BFX 710
TK10 K6 / 7500 BFX 750
TK10 K6 / 8000 BFX 800
TK10 K6 / 9000 BFX 900
Width (mm) 25 50
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further lengths up to 20,000mm available. Timing belt length can increase in one tooth increments from a minimum length of 1200mm.
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel only
Request a Timing Belt Quote

TK10 K13 Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
TK10 K13 / 1080 BFX 108
TK10 K13 / 1150 BFX 115
TK10 K13 / 1210 BFX 121
TK10 K13 / 1240 BFX 124
TK10 K13 / 1250 BFX 125
TK10 K13 / 1320 BFX 132
TK10 K13 / 1350 BFX 135
TK10 K13 / 1390 BFX 139
TK10 K13 / 1400 BFX 140
TK10 K13 / 1420 BFX 142
TK10 K13 / 1460 BFX 146
TK10 K13 / 1500 BFX 150
TK10 K13 / 1560 BFX 156
TK10 K13 / 1610 BFX 161
TK10 K13 / 1750 BFX 175
TK10 K13 / 1780 BFX 178
TK10 K13 / 1880 BFX 188
TK10 K13 / 1960 BFX 196
TK10 K13 / 2250 BFX 225
TK10 K13 / 2360 BFX 236
TK10 K13 / 2500 BFX 250
Pitch/Length # Teeth
TK10 K13 / 2650 BFX 265
TK10 K13 / 2800 BFX 280
TK10 K13 / 3000 BFX 300
TK10 K13 / 3100 BFX 310
TK10 K13 / 3150 BFX 315
TK10 K13 / 3350 BFX 335
TK10 K13 / 3750 BFX 375
TK10 K13 / 4000 BFX 400
TK10 K13 / 4250 BFX 425
TK10 K13 / 4500 BFX 450
TK10 K13 / 4750 BFX 475
TK10 K13 / 5000 BFX 500
TK10 K13 / 5300 BFX 530
TK10 K13 / 5600 BFX 560
TK10 K13 / 6000 BFX 600
TK10 K13 / 6300 BFX 630
TK10 K13 / 6700 BFX 670
TK10 K13 / 7100 BFX 710
TK10 K13 / 7500 BFX 750
TK10 K13 / 8000 BFX 800
TK10 K13 / 9000 BFX 900
Width (mm) 32 50 75 100 150
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further lengths up to 20,000mm available. Timing belt length can be increased in one tooth increments from a minimum length of 1500mm.
Available Options Nylon facing on tooth side (PAZ), Polyurethan cover (T-Cover), Extra Thick (DR)
Tension Members Steel standard, Kevlar optional
Request a Timing Belt Quote

TK20 K13 Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
TK20 K13 / 1260 BFX 63
TK20 K13 / 1460 BFX 73
TK20 K13 / 1500 BFX 75
TK20 K13 / 1600 BFX 80
TK20 K13 / 1700 BFX 85
TK20 K13 / 1780 BFX 89
TK20 K13 / 1800 BFX 90
TK20 K13 / 1880 BFX 94
TK20 K13 / 1900 BFX 95
TK20 K13 / 2000 BFX 100
TK20 K13 / 2120 BFX 106
TK20 K13 / 2240 BFX 112
TK20 K13 / 2360 BFX 118
TK20 K13 / 2500 BFX 125
TK20 K13 / 2600 BFX 130
TK20 K13 / 2660 BFX 133
TK20 K13 / 2800 BFX 140
TK20 K13 / 3000 BFX 150
TK20 K13 / 3100 BFX 155
TK20 K13 / 3160 BFX 158
Pitch/Length # Teeth
TK20 K13 / 3360 BFX 168
TK20 K13 / 3560 BFX 178
TK20 K13 / 3620 BFX 181
TK20 K13 / 3760 BFX 188
TK20 K13 / 4000 BFX 200
TK20 K13 / 4260 BFX 213
TK20 K13 / 4500 BFX 225
TK20 K13 / 4760 BFX 238
TK20 K13 / 5000 BFX 250
TK20 K13 / 5300 BFX 265
TK20 K13 / 5600 BFX 280
TK20 K13 / 6000 BFX 300
TK20 K13 / 6300 BFX 315
TK20 K13 / 6700 BFX 335
TK20 K13 / 7100 BFX 355
TK20 K13 / 7500 BFX 375
TK20 K13 / 8000 BFX 400
TK20 K13 / 8500 BFX 425
TK20 K13 / 9000 BFX 450
Width (mm) 25 32 50 75 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further lengths up to 15,000mm available. Timing belt length can increase in one tooth increments from a minimum length of 1075mm.
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel only
Request a Timing Belt Quote

ATK5 K6 Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
ATK5 K6 / 1075 BFX 215
ATK5 K6 / 1100 BFX 220
ATK5 K6 / 1215 BFX 243
ATK5 K6 / 1380 BFX 276
ATK5 K6 / 1400 BFX 280
ATK5 K6 / 1500 BFX 300
ATK5 K6 / 1600 BFX 320
ATK5 K6 / 1700 BFX 340
ATK5 K6 / 1800 BFX 360
ATK5 K6 / 1900 BFX 380
ATK5 K6 / 2000 BFX 400
ATK5 K6 / 2120 BFX 424
ATK5 K6 / 2240 BFX 448
ATK5 K6 / 2360 BFX 472
ATK5 K6 / 2500 BFX 500
ATK5 K6 / 2650 BFX 530
ATK5 K6 / 2800 BFX 560
Pitch/Length # Teeth
ATK5 K6 / 3000 BFX 600
ATK5 K6 / 3150 BFX 630
ATK5 K6 / 3350 BFX 670
ATK5 K6 / 3550 BFX 710
ATK5 K6 / 3750 BFX 750
ATK5 K6 / 4000 BFX 800
ATK5 K6 / 4250 BFX 850
ATK5 K6 / 4500 BFX 900
ATK5 K6 / 4750 BFX 950
ATK5 K6 / 5000 BFX 1000
ATK5 K6 / 5300 BFX 1060
ATK5 K6 / 5600 BFX 1120
ATK5 K6 / 6000 BFX 1200
ATK5 K6 / 6300 BFX 1260
ATK5 K6 / 6700 BFX 1340
ATK5 K6 / 7100 BFX 1420
ATK5 K6 / 7500 BFX 1500
Width (mm) 25 50 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further lengths up to 20,000 available. Timing belt length can increase in one tooth increments from a minimum length of 720mm (800mm for PAZ); Except 1080mm minimum length for widths >50mm.
Available Options Nylon facing on tooth side (PAZ), Polyurethan cover (T-cover), Extra thick (DR)
Tension Members Steel only
Request a Timing Belt Quote

ATK10 K6 Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
ATK10 K6 / 1500 BFX 150
ATK10 K6 / 1600 BFX 160
ATK10 K6 / 1700 BFX 170
ATK10 K6 / 1800 BFX 180
ATK10 K6 / 1900 BFX 190
ATK10 K6 / 2000 BFX 200
ATK10 K6 / 2120 BFX 212
ATK10 K6 / 2240 BFX 224
ATK10 K6 / 2360 BFX 236
ATK10 K6 / 2500 BFX 250
ATK10 K6 / 2650 BFX 265
ATK10 K6 / 2800 BFX 280
ATK10 K6 / 3000 BFX 300
ATK10 K6 / 3150 BFX 315
ATK10 K6 / 3350 BFX 335
Pitch/Length # Teeth
ATK10 K6 / 3550 BFX 355
ATK10 K6 / 3750 BFX 375
ATK10 K6 / 4000 BFX 400
ATK10 K6 / 4250 BFX 425
ATK10 K6 / 4500 BFX 450
ATK10 K6 / 4750 BFX 475
ATK10 K6 / 5000 BFX 500
ATK10 K6 / 5300 BFX 530
ATK10 K6 / 5600 BFX 560
ATK10 K6 / 6000 BFX 600
ATK10 K6 / 6300 BFX 630
ATK10 K6 / 6700 BFX 670
ATK10 K6 / 7100 BFX 710
ATK10 K6 / 7500 BFX 750
ATK10 K6 / 8000 BFX 800
Width (mm) 25 50 100
Note: Standard belt widths are shown. For in-between widths, please contact customer service.
Max Length Further length up to 20,000mm available. Timing belt lengths can increase in one tooth increments from a minimum length of 1500
Available Options Nylon facing on tooth side (PAZ)
Tension Members Steel only
Request a Timing Belt Quote

ATK10 K6 Double-Sided Truly Endless BFX Timing Belt Stock Part Numbers

Pitch/Length # Teeth
ATK10 K6 DL / 1500 BFX 150
ATK10 K6 DL / 1600 BFX 160
ATK10 K6 DL / 1700 BFX 170
ATK10 K6 DL / 1800 BFX 180
ATK10 K6 DL / 1900 BFX 190
ATK10 K6 DL / 2000 BFX 200
ATK10 K6 DL / 2120 BFX 212
ATK10 K6 DL / 2240 BFX 224
ATK10 K6 DL / 2360 BFX 236
ATK10 K6 DL / 2500 BFX 250
ATK10 K6 DL / 2650 BFX 265
ATK10 K6 DL / 2800 BFX 280
ATK10 K6 DL / 3000 BFX 300
ATK10 K6 DL / 3150 BFX 315
ATK10 K6 DL / 3350 BFX 335
Pitch/Length # Teeth
ATK10 K6 DL / 3550 BFX 355
ATK10 K6 DL / 3750 BFX 375
ATK10 K6 DL / 4000 BFX 400
ATK10 K6 DL / 4250 BFX 425
ATK10 K6 DL / 4500 BFX 450
ATK10 K6 DL / 4750 BFX 475
ATK10 K6 DL / 5000 BFX 500
ATK10 K6 DL / 5300 BFX 530
ATK10 K6 DL / 5600 BFX 560
ATK10 K6 DL / 6000 BFX 600
ATK10 K6 DL / 6300 BFX 630
ATK10 K6 DL / 6700 BFX 670
ATK10 K6 DL / 7100 BFX 710
ATK10 K6 DL / 7500 BFX 750
ATK10 K6 DL / 8000 BFX 800
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