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

Heavy Duty ANSI 40 Roller Chain Sprocket, 21 Teeth, 5/8 Bore
✔️ 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