8x16x4mm
Bore × Outside Diameter × WidthComplete parameters for your reference
| Basic Information | |
| Model | 688- Open |
| Bearing Type | Deep Groove Ball Bearing |
| SealType | Open |
| Material | GCr15 Bearing Steel |
| Lubrication | Oil / Grease |
| Weight | 0.00317 kg |
| Bearing Clearance | C0/C2/C3 |
| Precision | P0/P6/P5 |
| Load Ratings | |
| Dynamic Load Rating(Cr) | 1606 N |
| Static Load Rating(Cor) | 712 N |
| Basic Dimensions | |
| Bore Diameter (d) | 8 mm |
| Outside Diameter (D) | 16 mm |
| Width | 4 mm |
| Chamfer Radius(min) | 0.2 mm |
| Shielded Bearing Width | - |
| Ball Count | 9 pieces |
| Ball Size | 2.38125 mm |
| Speed Ratings | |
| Lubrication | Limiting Speed |
| Grease | - |
| 0il | - |
| Mounting Dimensions | |
| Shaft Shoulder Diameter (da min) | 10.3 mm |
| Housing Shoulder Diameter (Da max) | 13.4 mm |
| Maximum Fillet Radius (ra max) | 0.2 mm |
| Flange | |
| SFlange Outside | - |
| Flange Width | - |
Detailed drawings and internal structure
d = 8mm D = 16mm B = 4mm Rmin = 0.2mm
Bearing Structure
Widely used in various compact equipment
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