| Part Number | FR6zz |
| Bearing type | BALL |
| Structure | Single Row |
| Load Direction | Radial |
| Seal type | Shields |
| Bore diameter(d) | 3/8″︱9.525mm |
| Outer diameter(D) | 7/8″︱22.225 |
| Flange OD(Df) | 0.965″︱24.511mm |
| Width(B) | 0.2812″︱7.142mm |
| Flange thickness (Bf) | 0.062″︱1.5748mm |
| radius (rs) | 0.4mm |
| 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(higher grade available) |
| Clearance | C0(other clearance available) |
| BALL SIZE(mm) | 3.97 |
| BALL QTY | 7 |
| lubrication | grease(oil available) |
| Temperature Range | -30℃~130℃ |
| weight(g) | 12.39 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 2834N |
| Static Load Rating (Cor) | 1139N |

Zhangzhou Runstar Bearing Manufacturing Co.;Ltd is a professional bearing company who specilize in ball bearings since 2007, certified ISO9001:2015, we has been committed to the design and production of miniature ball bearings since 2007,ball bearing from Zhangzhou Runstar Bearing Manufacturing Co.;Ltd has the characteristics of high precision,low voice, free and fast rotation,smooth rotation,small starting torque and excellent salt spray corrosion resistance.
Runstar supply miniature ball bearings with a grade from ABEC-1 to ABEC-9 for at request, the material of miniature ball bearings can be chrome steel,stainless steel or hybrid ceramic at request,customized miniature ball bearings are also accepted in Runstar.
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| FR6zz | RIF-1438zz | FLR6zz | FY3/8zz | FR6zz |








