W688-2RS KOYO 8x16x5mm B 5 mm Deep groove ball bearings
| Bearing number | W688-2RS |
| Size (mm) | 8x16x5 |
| Brand | KOYO |
| Bore Diameter (mm) | 8 |
| Outer Diameter (mm) | 16 |
| Width (mm) | 5 |
| d | 8 mm |
| D | 16 mm |
| B | 5 mm |
| C | 5 mm |
| r min. | 0.2 mm |
| r1 min. | 0.2 mm |
| da min. | 9.6 mm |
| Da max. | 14.4 mm |
| ra max. | 0.2 mm |
| Weight | 0.0032 Kg |
| Basic dynamic load rating (C) | 1.6 kN |
| Basic static load rating (C0) | 0.71 kN |
| (Grease) Lubrication Speed | 28000 r/min |
Detailed Parameters
parameter：
| VEB 30 /S 7CE3 Angular contact ball bearings | Outer Diameter :47mm ，Bore Diameter :30mm ，d:30 mm ，Width :9mm ，Size :30x47x9mm ，Brand:SNFA |
| 1778/1729 Tapered roller bearings | Brand:Timken ，Outer Diameter :56.896mm ，Size :20.627x56.896x19.368mm ，Bore Diameter :20.627mm |
| N2209 M Cylindrical roller bearings | Bore Diameter :45mm ，Size :45x85x23mm ，Width :23mm ，Brand:AST ，Outer Diameter :85mm |
| 7234 BDB Angular contact ball bearings | Brand:ISO ，Size :170x310x104mm ，Outer Diameter :310mm ，Bore Diameter :170mm ，Width :104mm |
| NA4903-XL Needle roller bearings | Size :17x30x13mm ，Brand:INA ，Outer Diameter :30mm ，Width :13mm ，Bore Diameter :17mm |
| JM736149/JM736110 Tapered roller bearings | Bore Diameter :180mm ，Brand:KOYO ，Outer Diameter :250mm ，Size :180x250x47mm |
| 140KBE130 Tapered roller bearings | d:140 mm ，Width :47mm ，Bore Diameter :140mm ，Brand:NACHI ，Size :140x210x47mm ，Outer Diameter :210mm |
| 61801-2RS Deep groove ball bearings | Bore Diameter :12mm ，Width :5mm ，Brand:ZEN ，Outer Diameter :21mm ，Size :12x21x5mm |
| S810 Needle roller bearings | Bore Diameter :12.7mm ，Size :12.7x17.462x15.875mm ，Brand:INA ，Outer Diameter :17.462mm |
| H71918C/HQ1 Angular contact ball bearings | Brand:AST ，Outer Diameter :125mm ，Size :90x125x18mm ，Bore Diameter :90mm |
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