Rotary 16663 Caster Wheel Assembly replaces Ferris 5021181SSM. 9x3.50x4 pneumatic, smooth tread, silver caster wheel. Fits Hydrocut and Hydrowalk series. Hub length 4" centered, Bearing ID 3/4" roller.

Replaces:

• FERRIS 5021181SSM

Dimensions:

• ID: 3/4"
• TIRE SIZE: 9x3.50x4
• HUB LENGTH: 4"
• CASE QTY: 100