L099 L100 Jaw Coupling Inserts Set 4 Pack, Flexible Solid NBR Rubber Center Inserts for L Jaw Couplings, 25 Mm Inner Diameter, 63.5 Mm Outer Diameter, Red and Black Pro Grade Replacement Parts for L Jaw Coupler

4-Pack L-Jaw Coupling Inserts for Precise Power Transfer
✔️ ID 25 mm (1 in), OD 63.5 mm (2.5 in), 15 mm thick (0.6 in), 4 pcs

These jaw coupling inserts are solid urethane center pieces designed for L-jaw couplings. They’re used in industrial drives, conveyors, pumps, and rotating equipment to cushion vibration and improve torque transmission.

✅ Inner Diameter: 25 mm / 1 in
✅ Outer Diameter: 63.5 mm / 2.5 in
✅ Thickness: 15 mm / 0.6 in
✅ Material: NBR rubber, color black
✅ Package: 4 pieces

💡 What is a jaw coupling insert used for in industrial drives and how does it improve power transmission? This handy piece supports smooth torque transfer and dampen vibration.

- enhances torsional rigidity for stable torque transfer
- dampens vibration to extend equipment life
- fits L-jaw couplings with 25 mm ID and 63.5 mm OD