| Part Number | F4-9 | 
| Bearing type | BALL | 
| Structure | THRUST BALL | 
| Load Direction | AXIAL | 
| Raceway type | flat raceway | 
| bore diemater of shaft washer(d) | 4mm | 
| Outer diameter of housing washer(D) | 9mm | 
| bore diemater of housing washer(d1) | 4.2mm | 
| Outer diameter of shaft washer(D1) | 8.8mm | 
| thickness( H) | 4 mm | 
| radius | 0.15mm | 
| material of washers | Chrome steel 52100(Gcr15) | 
| material of cage | bronze or stainless steel | 
| ball material | Chrome steel 52100(Gcr15) | 
| Grade | ABEC-1(higher grade available) | 
| Clearance | C0(other clearance available) | 
| BALL SIZE(mm) | 1.588 mm | 
| BALL QTY | 6 | 
| lubrication | grease(oil available) | 
| Temperature Range | -30℃~130℃ | 
| weight(g) | 1.5 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 166    N | 
| Static Load Rating (Cor) | 156  N | 
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