Top Shelf Round Bore Shaft Couplers Built Tough With Rock Solid Zero Wiggle Grip For Heavy Duty Equipment Features 1 716 Inner Bore 2 516 Outer Diameter And 4 12 Inch Span For Flawless Power Transfer Across Shafts Easily Swaps Out Units

Single heavy drive shaft coupling for smooth power transfer
✔️ 1 7/16 bore, 2 5/16 OD, 4 1/2 span, black oxide steel

This one piece connector joins two matching rotating axles so your tractor or conveyor belt keeps turning without slipping. Designed to drop right in for SHFTR2300 replacements without modifying existing frames, you get a solid link that handles high torque loads and absorbs vibration during daily farm or workshop runs.

✅ 1 7/16 inch inner bore fits standard round shafts
✅ 2 5/16 inch outside diameter clears tight housing gaps
✅ 4 1/2 inch body length covers full coupling span
✅ 3/8 inch wide keyway locks directly to keyed axles
✅ Two set screws hold firm grip under heavy load shock

💡 What maintenance steps keep mechanical power transfer links stable under heavy load?

Tightening practices stop unwanted drift and keep your drivetrain components locked in place.
- Grind down burrs on both shaft ends before slipping the sleeve over.
- Stack bolts diagonal style so the metal grips the axle even and clean.
- Ratchet fasteners firm to stop slip and keep yard jobs handy.