40B30H Type B Heat Treated Sprocket for #40 Roller Chain - 30 Tooth - Pick Your Bore Size

<h1 style="text-align: center;">40B30H Type B Sprocket</h1> <p style="text-align: center;"> </p> <h1 style="text-align: center;">Finished Bore W/Keyway and Set Screws</h1> <h1 style="text-align: center;">For #40 Roller Chain</h1> <h1 style="text-align: center;">30 Tooth</h1> <h1 style="text-align: center;">Outside Diameter =<span> 5.060</span>"</h1> <h1 style="text-align: center;">Pitch Diameter =<span> 4.873</span>"</h1> <h1 style="text-align: center;">LTB =<span> 1</span>"</h1> <h1 style="text-align: center;">Hub Diameter =<span> 3 1/4</span>"</h1> <p style="text-align: center;"> </p> <h1 style="text-align: center;"><span style="color: #ff0000;">FREE SHIPPING in Lower 48 States</span></h1> <p style="text-align: center;"> </p> <h2 style="text-align: center;"> <span></span><span>Buy 2 or More Type B Sprockets and Take 10% Off at Checkout!</span> </h2> <p style="text-align: center;"><span>Use coupon code:   </span><span>K1E3BE3RHDZC </span></p> <h4 style="text-align: center;"><span>Coupon not for use with Quantity Discount Items<br></span></h4> <p style="text-align: center;"> </p> <p style="text-align: center;"><img src="https://cdn.shopify.com/s/files/1/0193/0266/files/Bore_and_Keyway2_large.JPG?v=1563465787" alt=""></p> <p style="text-align: center;"> </p>