| Part Number | R188 |
| Bearing type | Ball |
| Structure | Single Row |
| Load Direction | Radial |
| Seal type | Open |
| Bore diameter(d) | 1/4″︱6.35mm |
| Outer diameter(D) | 1/2″︱12.7mm |
| Width(B) | 1/8″︱3.175mm |
| material | Chorme steel Gcr15 |
| ring material | Chorme steel Gcr15 |
| cage material | Stainless steel 304 |
| ball material | Chorme steel Gcr15 |
| Rubber material | |
| Grade | ABEC-1 |
| Clearance | C0 |
| BALL SIZE(mm) | 1.588mm |
| BALL QTY | 10 |
| lubrication | grease or oil |
| Temperature Range | -30℃~130℃ |
| weight(g) | 1.6 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 920N |
| Static Load Rating (Cor) | 355 N |
We design and manufacture high speed ball bearing for yoyo, different shape and material for choices.
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| R188 | RI-814 | R188 | R188 | 6350B | R188 |
