| Part Number | SF681XZZ | 
| Bearing type | BALL | 
| Structure | Single Row | 
| Load Direction | Radial | 
| Seal type | Shields | 
| Bore diameter(d) | 1.5mm | 
| Outer diameter(D) | 4mm | 
| Flange OD | 5mm | 
| Width(B) | 2mm | 
| Flange thickness | 0.6mm | 
| radius | 0.05mm | 
| material | Stainless steel 440C(9Cr18) | 
| ring material | Stainless steel 440C(9Cr18) | 
| cage material | Stainless steel 304 | 
| ball material | Stainless steel 440C(9Cr18) | 
| shields material | Stainless steel 304 | 
| Grade | ABEC-1(higher grade available) | 
| Clearance | C0(other clearance available) | 
| BALL SIZE(mm) | 0.6mm | 
| BALL QTY | 7 | 
| lubrication | grease(oil available) | 
| Temperature Range | -30℃~130℃ | 
| weight(g) | 0.17 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 95 N | 
| Static Load Rating (Cor) | 26  N |