4” Replacement Heavy Duty Casters with Easy Rolling Ball Bearings for GoJak Models 4107, 4500, 4520 - Set of 4

4-inch heavy-duty replacement casters with smooth ball bearings for GoJak
✔️ Set of 4, fits GoJak models 4107/4500/4520, 1/2 in dia x 1 in long stem

These 4-inch heavy-duty casters are designed to replace worn GoJak dolly wheels on compatible models. They fit GoJak dolly frames using a 1/2 inch diameter stem by 1 inch long and bolt through the frame with included nuts and lock washers for a secure mount. The hard rubber wheels roll smoothly thanks to ball bearings, and the crowned tread helps the caster pivot with ease. This is a set of 4 replacements, suitable for GoJak models 4107, 4500, and 4520. Wheel diameter 101.6 mm (4 in); stem diameter 12.7 mm with a 25.4 mm long stem.

✅ Wheel diameter: 4 in (101.6 mm); hard rubber with ball bearings
✅ Stem size: 1/2 in dia x 1 in long (12.7 mm x 25.4 mm) for frame mounting
✅ Includes 4 nuts and 4 lock washers for secure dolly attachment
✅ Crowned tread design for easy pivoting and floor-friendly movement
✅ Fits GoJak models 4107, 4500, 4520 as replacement casters

💡 What is a heavy-duty replacement caster used for on GoJak dollies?

This handy upgrade helps restore mobility and performance by replacing worn wheels with a durable, ready-to-install unit. - GoJak dolly compatibility with 4107, 4500, 4520 - 4-inch hard rubber wheel with ball bearings for smooth rolling - Stem size 1/2 in dia x 1 in long with mounting hardware included - Crowned tread facilitates easy pivoting on varied floor surfaces