XH Pitch

Stock Pre-Bored with Standard Keyway

A stocked pre-Bored Pulley includes a Standard Bore to h8 Tolerance Plus (if a hub) a Standard Keyway and two standard set screw over keyway and at 90º (Unless indicated differently)

If a standard bore size is not in stock the cost to Bore Keyway and setscrew is $110 (large heavy pulley may be slightly more)

XH Pitch (7/8 inch)

Part Number Example:

60XH300.1-1/4

60 = No. Teeth

XH = 7/8 inch Pitch

300 = 3.00 Inch Belt Width

1-1/4 = 1.25 inch Bore with standard keyway

PDF - PulleyTimingAmericanStandardMXL-XHBoredToSize.pdf