6306-RZ Sealed Ball Bearing ID 30mm OD 72mm Width 19mm 3 axle these bearings feature double-sided rubber

these bearings feature double-sided rubber seals for solid protection and come pre-lubricated with low-friction grease

Answer: The built-in seals protect against dust

Set screw locking keeps the shaft steady

Size: 12 x 18 x 4 mm

a e i g l s b z Bi n 6-11/32" 5-1/8" 3/4" 9/16" 1-11/32" 5/8" 3-17/32" 1-3/4" 1-11/16" 11/16" 💡 Why use a UCFL series flange mounted bearing

6306-RZ Sealed Ball Bearing ID 30mm OD 72mm Width 19mm 3 axle these bearings feature double-sided rubber6306 RZ Deep Groove Ball Bearing Single Row Radial 30mm ID Rubber Shielded This 6306 RZ bearing is a single row deep groove radial ball bearing, perfect for high speed and heavy duty applications. With its RZ seal on one side, it offers good dust resistance while keeping friction low, ideal for motors, gearboxes, and machinery with rotating shafts. Type: Deep Groove Ball Bearing Configuration: Single Row ID (Bore): 30mm = 1. 181" OD: 72mm = 2. 835"