Rugged L190 Standard Jaw Coupling Hub In Thick Cast Iron With 0.938 Bore And 4.5 OD Plus 0.25 By 0.125 Keyway Built Tough To Handle The Abuse On Pro Industrial Shaft Drives

Single L190 Cast Iron Jaw Coupling Replacement Hub
✔️ 0.938 Bore 4.5 OD Cast Iron Mount With 0.25 X 0.125 Keyway

This single replacement hub is built out of heavy cast iron to absorb shock and handle angular or parallel alignment shifts on rotating machinery. Maintenance crews install these split hubs on factory shafts connecting motors to pumps, compressors, blowers, and conveyor systems where steady power transmission matters.

✅ Premium gray cast iron body resists heat buildup
✅ Designed to fit standard Lovejoy L type jaw couplings
✅ Handles parallel and angular shaft misalignment
✅ Complies with ANSI AGMA and ISO quality guidelines
✅ Protects connected drivetrains from vibration stress

💡 What keeps rotary equipment running smooth under heavy loads?
Swapping tired metal pieces stays pretty handy when you want to cut downtime on the bay floor. Keeping the joint tight stops vibration from chewing through expensive drive shafts.
- Rigid iron walls soak up shock without cracking
- Clean keyseat cuts grip firmly to standard steel spindles
- Open air gaps let fresh lubricant coat the rubber insert quick
- Sturdy bolt patterns slide right into existing motor mounts easy