14x21x4mm Ball Bearing Non-Standard ID 14mm x OD 21mm x 4mm

14x21x4mm Metal Shielded Ball Bearing
✔️ Non-Standard Size - Chrome Steel - Double Shielded

This 14x21x4mm deep groove ball bearing is built from high-strength chrome steel and features metal shields on both sides to block out dust and debris. With its non-standard 14mm inner diameter, it's a solid fit for custom applications where typical sizes won’t do. Sold individually.

✅ Pack size: 1 bearing
✅ Dimensions: 14mm x 21mm x 4mm
✅ Type: Deep groove ball bearing
✅ Material: Chrome steel
✅ Shields: Double metal shields (ZZ)
✅ Great for compact setups and custom mechanical systems

💡 Why choose a non-standard size bearing with metal shields?
Non-standard bearings offer flexibility in designs where typical sizes won’t fit.

• Shields keep out dirt while retaining grease

• Chrome steel provides long-lasting durability

• Useful for replacements in unique machines or prototypes

• Ideal for tight-clearance assemblies

If you're building something that doesn’t fit the mold, this bearing’s ready to roll, order one today and make it work your way!