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Proven Part #40 Roller Chain X 3 Feet + Free Connecting Link

Proven Part #40 Roller Chain X 3 Feet + Free Connecting Link

Regular price $11.65 USD
Regular price Sale price $11.65 USD
Sale Sold out
Shipping calculated at checkout.


#40 Roller Chain x 3 feet
ANSI Chain No.: #40
Length: 3 feet

Pitch (P): 0.5 inch (12.7 mm) 
Roller Diameter (d1 max): 0.313 inch (7.95 mm) 
Width Between Inner Plates (b1 min): 0.310 inch (7.85 mm) 
Pin Diameter (d2 max): 0.156 inch (3.96 mm)
Pin Length (L max): 0.654 inch (16.60 mm)
Pin Length (Lc max): 0.701 inch (17.80 mm)
Inner Plate Depth (h2 max): 0.472 inch (12.0 mm)
Plate Thickness (T max): 0.059 inch (1.50 mm)
Ultimate Tensile Strength (Q min): 14.10/3205 kN/LB
Average Tensile Strength (Qo): 17.5 kN
Weight (q): 0.417 lb/ft (0.62 kg/m)

Warning: Lead-Nickel-Cancer and Reproductive Harm

Shipping & Returns


We ship Monday-Friday, if you place an order over the weekend, it will not ship until Monday. We have most items set to Free Shipping which means we will ship it the most economical way.

If you need expedited shipping please contact us through email or give us a call to pay for upgraded shipping.


If you need to do a return, we accept returns on items still in new condition. Do not return a used or damage product unless instructed to do so. The item needs to be in the same condition you received it in.

If you don't match up your part numbers and buy the wrong part, you are responsible for the return shipping. We will only pay for the return shipping on items we make a mistake on, if we send you the wrong part, we will send you a label to return the item.

Returns are charged a restock fee of 20%. If you are unsure of the part you need, send us a message or call us, we are available Monday -Friday to check parts for you. Please include your model number in order to find the correct parts for your machine.

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