Heavy Duty 40B21 Type B Roller Chain Sprocket ANSI Size 40 For 40 Chain 21 Teeth Five Eighth Inch Bore Hardened 1045 Carbon Steel Antirust Finish High Frequency Quenched HRC 38 To 42 Saelno
✔️ ANSI #40-1/2 pitch-5/8 bore, 21 teeth, 3/16x3/32 keyway, 2 screws
This heavy-duty roller chain sprocket is built for ANSI #40 chains, designed for reliable power transmission in agricultural, woodworking, and machine tool setups. Teeth are hardened with high-frequency quenching to HRC 38-42 and finished black to resist rust. Includes 1 sprocket, 2 screws, and a wrench for quick installation and secure operation.
✅ ANSI 40 standard compatibility for 1/2 inch pitch
✅ 5/8 inch bore fits standard shafts
✅ 21 teeth for effective torque transfer
✅ 3/16 x 3/32 keyway with 2 set screws at 90°
✅ Hardened 1045 carbon steel, HRC 38-42
✅ Blackened anti-rust finish for harsh environments
✅ Includes 1 sprocket, 2 screws, and a wrench for easy install
💡 What is an ANSI #40 roller chain sprocket used for in power transmission systems on industrial machinery?
💡 This component is used to drive a chain and transfer torque in drive systems across industries. - Typical applications include farm equipment, woodworking machinery, and general manufacturing lines - Benefits: wear-resistant hardened teeth and rust-proof finish for tough environments - Key fit: designed for ANSI #40 chain with 1/2 inch pitch, 5/8 bore, and 21 teeth