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688-2RS Bearing 8x16x5mm - Sealed - Miniature
688-2RS Miniature Ball Bearing – Sealed
✔️ 8mm x 16mm x 5mm – Chrome Steel – Electric Motor Quality
The 688-2RS is a precision miniature deep groove ball bearing made from high-grade chrome steel (52100 alloy) and sealed on both sides with durable rubber. Pre-lubricated and ready to install, it's ideal for applications requiring smooth rotation in a small form - such as hobby motors, robotics, spinners, and high-speed tools.
✅ Type: Deep groove ball bearing (miniature)
✅ Material: Chrome steel (52100 alloy)
✅ Inner Diameter: 8mm
✅ Outer Diameter: 16mm
✅ Width: 5mm
✅ Seals: 2RS – double rubber sealed
✅ Lubrication: Pre-lubricated with grease
✅ Quality: Electric motor grade
✅ Dynamic Load Rating: 1,600 N
✅ Static Load Rating: 710 N
✅ Max Grease Speed: 28,000 RPM
✅ Quantity: 1 bearing
Dimensions Table:
| Spec | Value |
|---|---|
| ID (Bore) | 8mm |
| OD | 16mm |
| Width | 5mm |
| Material | Chrome Steel |
| Seal Type | 2RS (Rubber Sealed) |
| Max Speed (Grease) | 28,000 RPM |
| Dynamic Load | 1,600 N |
| Static Load | 710 N |
✅ Equivalent Part Numbers:
-
688LLU
-
688-2NSE
-
688DDU
-
688RS
-
688EE
💡 Where are 688-2RS bearings commonly used?
Miniature bearings like the 688-2RS are perfect for small motors, skate wheels, fidget spinners, and micro gearboxes where compact size and high RPM performance are critical.
Small but mighty - grab the 688-2RS and let your compact applications spin fast and smooth with long-lasting protection!