SMR688 Stainless Steel Ball Bearing ID 8mm OD 16mm Width 4mm
UPC: 00193019326565
Item Sku : SMR688
Type : Deep groove ball bearingssingle row
Material : Stainless Steel
Inner (ID) : 8mm
SMR688 Stainless Steel Ball Bearing - Open Type
✔️ 8mm ID x 16mm OD x 4mm - Deep Groove, C3 Clearance
The SMR688 is a single-row deep groove radial ball bearing made entirely from stainless steel, designed for use in environments where corrosion resistance and cleanliness are key. With an open design and C3 clearance, it's ideal for high-speed, low-friction applications that require regular maintenance or external lubrication. Sold as one bearing.
✅ Inner diameter: 8mm (0.315")
✅ Outer diameter: 16mm (0.63")
✅ Width: 4mm (0.157")
✅ Open design - no shields or seals
✅ Stainless steel cage and races
✅ C3 clearance for thermal expansion and high-speed use
✅ Dynamic load rating: 1.6 kN
✅ Static load rating: 0.71 kN
✅ Max speed: 26,000 RPM
✅ Pack size: 1 bearing
Dimensions Table:
| Inner Diameter | Outer Diameter | Width |
|---|---|---|
| 8 mm (0.315") | 16 mm (0.63") | 4 mm (0.157") |
💡 Why use stainless steel open ball bearings in precision systems?
These are a go-to for clean, fast-running setups.
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Stainless steel resists rust in humid or wet environments
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Open style allows direct lubrication and easy inspection
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Deep groove geometry supports radial loads and some axial loads
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Perfect for robotics, instruments, and medical equipment
Clean, fast, and built to last, grab this SMR688 stainless bearing and keep your motion precise and corrosion-free.