| PART NUMBER | 681 |
| BEARING TYPE | BALL |
| STRUCTURE | Single Row |
| LOAD DIRECTION | Radial |
| SEAL TYPE | open |
| Bore diameter(d) | 1mm |
| Outer diameter(D) | 3mm |
| Width(B) | 1mm |
| material | Chrome steel 52100（Gcr15) |
| ring material | Chrome steel 52100(Gcr15) |
| cage material | 300 Series Stainless Steel |
| ball material | Chrome steel 52100(Gcr15) |
| shields material | 300 Series Stainless Steel |
| Grade | ABEC-1 |
| Clearance | C0 |
| BALL SIZE(mm) | 0.6 |
| BALL QTY | 6 |
| lubrication | grease or oil at request |
| Temperature Range | -30℃~130℃ |
| weight(g) | 0.03 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 82 N |
| Static Load Rating (Cor) | 21 N |
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| 681 | L-310 | 681 | AX1 | 681 | 681 |
