Available Upon Request

21XL025-1A X 5/16

Timing Belt Pulley. 1/5 XL Pitch. 21 Grooves. for 1/4" Wide Belt. 0.3125 " Bore. Aluminum

Price
$13.78
Availability
288 in stock
Quantity
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Quantity Range 1 - 9 10 - 24 25 - 49 50 - 99 100+
Price unit $13.78 $13.09 $11.21 $9.84
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Lead time 7 weeks 7 weeks 7 weeks 7 weeks
* All products in stock except Timing Belt Tensioners and Timing Belts will ship within 2 days
* Timing Belt Tensioners will ship within 7 days
* Call us to find out if we can deliver this item earlier +1 (516) 746-3736
21XL025-1A X 5/16
Material
Aluminum
Pitch
1/5 XL
No. of Grooves
21
Pitch Dia.
1.337
Outside Dia.
1.317
Flange O.D.
1.5625
Hub Type
Set Screw
Belt Width
0.2500
Type
6F
Bore (+.001 - .000)
0.3125
Face Width
0.4375
Overall Length
0.750
Hub Proj.
0.3125
Hub Dia.
1.000
Set Screws
8-32(2)
Alt. Part Number
TP20A5W4-21, 21XL025-1A X 5/16, 21XL025-6FA4, 21XL025-6FA4
21XL025-1A X 5/16 is a standard timing pulley for 1/5 XL pitch and 1/4" wide belts. It is a 6F type timing pulley with 2 flanges, which has 21 grooves. The entire part is made of Aluminum.

The timing belt pulleys we manufacture are commonly utilized in many industries, such as automation, robotics, sorting, medical, packaging, among others.

Features and Benefits:
1/5 XL Pitch
21 Grooves
Suitable for a belt width of 1/4"
Bore of 0.3125"
Made of Aluminum
Suitable with our timing pulley belts.
Set Screw installation
York is ISO 9001 certified. All products are RoHS/REACH compliant.

A Set Screw should:
• Hold the timing pulley tightly to the shaft and prevent slipping
• Allow you to easily readjust the pulley position to change drive system timing
• Allow field personnel to easily replace the timing pulley
A set screw should not:
• Damage the shaft or mar it
• Impede replacement or adjustment of the timing pulley
• Require special