6404 Ball Bearing ID 20mm OD 72mm Width 19mm
UPC: 00193019164365
Type: Deep Groove Ball Bearing
Closures: No Seals (Open)
Lubrication: Pre-Lubricated (Grease)
Dimensions: 20mm x 72mm x 19mm/Metric
6404 Open Ball Bearing
✔️ 20mm ID - Chrome Steel, Open Type with Grease
The 6404 is an open-style deep groove ball bearing made from durable 52100 chrome steel. Designed for smooth, high-speed rotation, it’s pre-lubricated with grease and ideal for applications where airflow, visual inspection, or frequent re-greasing is preferred.
✅ Size: 20mm ID x 72mm OD x 19mm Width
✅ Open design - no seals for direct access to grease
✅ Made from tough 52100 chrome steel
✅ Pre-lubricated with high-speed grease
✅ Max grease speed: 11,000 RPM
✅ Sold as 1 bearing
Dimensions Table (Metric):
| Inner (ID) | Outer (OD) | Width |
|---|---|---|
| 20mm | 72mm | 19mm |
✅ Dynamic load rating: 31,000 N
✅ Static load rating: 15,200 N
💡 Why choose open ball bearings in industrial equipment or repair setups?
They’re easier to inspect, clean, and re-lube-perfect for open access systems.
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Allows better cooling and airflow in fast-moving systems
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Ideal when frequent maintenance is required
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Suitable for clean or controlled environments
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Used in fans, motors, gearboxes, and agricultural gear
If you're after high-speed motion with easy maintenance access, the 6404 open bearing fits the bill. Add one to your cart and keep your system spinning freely.