170XL Timing Belts | McMaster-Carr

	Width Width

1/4"

3/8"

	Belt Trade Number Belt Trade Number

	Teeth Location Teeth Location

Teeth on One Side

Teeth on Both Sides

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

DFARS Specialty Metals
COTS-Exempt

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4 Products

XL Series Timing Belts

Belts combine neoprene with fiberglass reinforcement for quiet operation with high strength. All are XL series (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.

1/4" Wd.
Belt Trade Number	Outer Circle	Number of Teeth	Pitch	Material	Color	Temperature Range, °F		Each
170XL025	17"	85	0.200"	Neoprene	Black	-30° to 180°	00000000	00000
3/8" Wd.
170XL037	17"	85	0.200"	Neoprene	Black	-30° to 180°	00000000	0000

XL Series Timing Belts with Teeth on Both Sides

Often used in reversing and serpentine drive systems, teeth on both sides allow you to rotate pulleys in opposite directions. Belts are quiet-running neoprene and high-strength fiberglass. All are XL series (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.

1/4" Wd.
Belt Trade Number	Outer Circle	Number of Teeth	Pitch	Material	Color	Temperature Range, °F		Each
TP170XL025	17"	85	0.200"	Neoprene	Black	-30° to 180°	0000000	000000
3/8" Wd.
TP170XL037	17"	85	0.200"	Neoprene	Black	-30° to 180°	0000000	00000