Skip to content

Sprocket 40B72H Heat Treated Type B for #40 Roller Chain 72 Tooth

$79.00
SKU 40B72H-SB
Size

40B72H Type B Sprocket

 

Finished Bore W/Keyway and Set Screws

For #40 Roller Chain

72 Tooth

Outside Diameter = 11.750"

Pitch Diameter = 11.463"

LTB = 1 1/4"

Hub Diameter = 4"

FREE SHIPPING in Lower 48 States

Buy 2 or More Type B Sprockets and Take 10% Off at Checkout!

Use coupon code:   K1E3BE3RHDZC 

Coupon not for use with Quantity Discount Items

Standard Keyway Sizes
Listed are the standard keyway sizes furnished with corresponding bore sizes. 

Bore Keyway
1/2” to 9/16” =  1/8” X 1/16”
5/8” to 7/8” =    3/16” X 3/32”
15/16” to 1-1/4” = 1/4” X 1/8”
1-5/16” to 1-3/8” = 5/16” X 5/32”
1-7/16” to 1-3/4” = 3/8” X 3/16”
1-13/16” to 2-1/4” = 1/2” X 1/4”

2-5/16 to 2-3/4" = 5/8" x 5/16"

2-13/16" to 3-1/4" = 3/4" x 3/8"

3-5/16" to 3-3/4" = 7/8" x 7/16" 

3-13/16" to 4-1/2" = 1" x 1/2"