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| Place of Origin: | China |
| Brand Name: | Famous brand |
| Certification: | ISO 9001 2000 |
| Model Number: | F688-2RS |
F688-2RS is a flanged miniature deep groove ball bearing featuring an 8 mm bore, double rubber seals, and a compact mounting design. The integrated flange allows easy installation, while the sealed structure helps prevent dust and moisture contamination. Ideal for 3D printers, miniature motors, robotics, precision instruments, and automation equipment.
| Item | Specification |
|---|---|
| Model | F688-2RS |
| Bearing Type | Flanged Miniature Ball Bearing |
| Structure | Single Row Deep Groove |
| Bore Diameter (d) | 8 mm |
| Outer Diameter (D) | 16 mm |
| Width (B) | 5 mm |
| Flange Outer Diameter (D1) | 18 mm |
| Flange Thickness | Approx. 1 mm |
| Seal Type | Double Rubber Seals (2RS) |
| Material | Chrome Steel (GCr15) |
| Precision | Standard Precision |
| Lubrication | Pre-greased |
Compact design: Suitable for equipment with limited installation space.
Integrated flange: Simplifies mounting and provides stable axial positioning.
Double rubber seals: Help protect against dust, dirt, and moisture.
Smooth rotation: Deep groove ball construction reduces friction.
Reliable performance: Suitable for continuous operation in small mechanical systems.
Easy replacement: Standard miniature bearing design supports convenient maintenance.
We also supply the following miniature series bearings. Inner diameters are listed in both millimetres and inches where applicable.
| Model | Bore (mm) | OD (mm) | Width (mm) | Type |
|---|---|---|---|---|
| MR63 | 3 | 6 | 2 | Open |
| MR74 | 4 | 7 | 2 | Open |
| MR84 | 4 | 8 | 2 | Open |
| MR95 | 5 | 9 | 2.5 | Open |
| MR105 | 5 | 10 | 3 | Open |
| MR115 | 5 | 11 | 3 | Open |
| MR126 | 6 | 12 | 3 | Open |
| MR137 | 7 | 13 | 4 | Open |
| MR148 | 8 | 14 | 4 | Open |
| MR149 | 9 | 14 | 4.5 | Open |
| 693 | 3 | 8 | 3 | Deep Groove |
| 694 | 4 | 11 | 4 | Deep Groove |
| 695 | 5 | 13 | 4 | Deep Groove |
| 696 | 6 | 15 | 5 | Deep Groove |
| 697 | 7 | 17 | 5 | Deep Groove |
| 698 | 8 | 19 | 6 | Deep Groove |
| 699 | 9 | 20 | 6 | Deep Groove |
| 6800 | 10 | 19 | 5 | Thin Section |
| 6900 | 10 | 22 | 6 | Deep Groove |
3D printers and CNC equipment
Miniature electric motors
Robotics and automation systems
Precision measuring instruments
Small cooling fans
Medical and laboratory equipment
Office automation machinery
Small transmission mechanisms
If you want to buy the F688-2RS miniature ball bearing, just contact us. We are a professional supplier of agricultural bearings.
Email: sales@transmission-chain.com
WhatsApp: 008615006175975
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