687 Bearing 7x14x3.5mm - Open - Miniature
UPC: 00193019288306
Type: Deep groove ball bearings
Closures: Open
Quantity: One Bearing
Dynamic load rating Cr: 1,150 N
687 Open Ball Bearing
✔️ 7mm x 14mm x 3.5mm - Chrome Steel
This 687 open-style ball bearing is a popular size for RC cars, mini gearboxes, and precision hobby projects. Built from tough chrome steel (52100 alloy), it’s designed for smooth spins at seriously high RPMs.
✅ Deep groove radial design
✅ Made from 52100 chrome steel for durability
✅ Open style for low friction and easy access
✅ Size: 7mm ID x 14mm OD x 3.5mm width
✅ Dynamic load: 1,150 N
✅ Static load: 510 N
✅ Max speed (grease): 45,000 RPM
✅ Max speed (oil): 54,000 RPM
✅ Sold as 1 open bearing
Dimensions Table (mm):
| Inner Diameter | Outer Diameter | Width |
|---|---|---|
| 7 mm | 14 mm | 3.5 mm |
💡Why use open ball bearings in RC or hobby applications?
Open bearings keep it light and fast - perfect for high-speed motion:
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Lower friction compared to sealed or shielded styles
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Easier to clean and re-lube
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Spins freely at ultra-high RPMs
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Great for low-dust environments or enclosed gearboxes
Need speed? This bearing’s ready to rip - add one to your cart and get your RC or project gliding!