Products for USB Sensing and Control
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Products for USB Sensing and Control

PHIDGETS Inc.

Unit 1 - 6115 4 St SE
Calgary AB  T2H 2H9
Canada
+1 403 282-7335

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#40 Chain Sprocket with 25mm Bore and 20 Teeth

ID: TRM4155_0
Recommended for new designs: This product is sourced from another supplier, but it (or a similar replacement with a compatible form, fit and function) is estimated to be available for as long as it is available from the supplier.

$4.65

Quantity Available: 51

Qty Price
5 $4.46
10 $4.28

Hardened steel sprocket for half inch (1/2") roller chain. There is a 25mm bore with keyway, set screws and key.

Chain

This sprocket is compatible with series #40 chain. The amount of chain required depends on the desired distance between your two sprockets; for installation details see the Rotary Motion Primer.

Product
Image Part Number Price
TRM4221_0 $4.45/Meter
TRM4223_0 $1.50

Rotary Shaft

If you're building a rotary transmission system of any kind, chances are you'll need some rotary shaft. Here's a list of rotary shaft compatible with this sprocket:

Product Physical Properties
Image Part Number Price Diameter
TRM4003_0 $60.00/Meter 25 mm
TRM4008_0 $6.85 25 mm
TRM4009_0 $7.40 25 mm
TRM4010_0 $7.40 25 mm
TRM4011_0 $8.90 25 mm
TRM4018_0 $20.00/Meter 25 mm

Product Specifications

Physical Properties
Inner Diameter 25 mm
Number of Teeth 20
Sprocket Series # 40
Product Physical Properties
Image Part Number Price Inner Diameter Number of Teeth Sprocket Series
TRM4144_0 $2.80 12 mm 9 # 40
TRM4145_0 $3.55 12 mm 14 # 40
TRM4146_0 $4.45 12 mm 20 # 40
TRM4147_0 $3.00 1⁄2″ 9 # 40
TRM4148_0 $3.00 14 mm 9 # 40
TRM4149_0 $4.65 14 mm 20 # 40
TRM4150_0 $3.00 5⁄8″ 9 # 40
TRM4151_0 $4.65 17 mm 20 # 40
TRM4152_0 $7.40 17 mm 40 # 40
TRM4153_0 $4.65 19 mm 20 # 40
TRM4154_0 $4.65 24 mm 20 # 40
TRM4155_0 $4.65 25 mm 20 # 40
TRM4156_0 $8.00 25 mm 40 # 40
TRM4157_0 $13.35 25 mm 60 # 40
TRM4161_0 $3.75 12 mm 13 # 40