Roller Chain Idler Sprocket 15 Tooth with Five Eighth Inch Bore Hardened Steel AISI 1045 Medium Carbon, Heavy Duty Power Transmission Gear for Strong Chain Guidance

Heavy Duty Roller Chain Idler Sprocket, 15T, 5/8in Bore
✔️ 15-tooth, 5/8in bore, single unit, AISI 1045 steel, hardened teeth

This 15-tooth roller chain idler sprocket with a 5/8" bore is built from AISI 1045 medium carbon steel and features hardened teeth. It is designed for heavy-duty power transmission and chain guidance in industrial conveyors, machinery, and drive systems.

✅ Hub diameter: 1.909 in
✅ Bearing No. 203KRR2
✅ Hardened teeth, HRC40-50
✅ Material: AISI 1045 medium carbon steel
✅ Tooth count: 15

💡 What is a typical role of a roller chain idler sprocket with a 5/8 inch bore in drive systems?

A handy guide piece that keeps the chain on track, reducing wear and misalignment.

- Keeps chain aligned in conveyors and machines
- Supports smooth operation under load with hardened teeth
- Compatible with standard 5/8 inch bore shafts
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