| Part Number | R156ZZ |
| Bearing type | BALL |
| Structure | Single Row |
| Load Direction | Radial |
| Seal type | Shields |
| Bore diameter(d) | 3/16″︱4.762mm |
| Outer diameter(D) | 5/16″︱7.938mm |
| Width(B) | 1/8″︱3.175mm |
| 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) | 1mm |
| BALL QTY | 10 |
| lubrication | grease(oil available) |
| Temperature Range | -30℃~130℃ |
| weight(g) | 0.52 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 307 N |
| Static Load Rating (Cor) | 120 N |
Miniature ball bearings are also called miniture bearings,mini ball bearing or mini bearings in different places. Miniature ball bearings are one of the classifications under ball bearings .
Runstar is a professional miniature ball bearings manufacturer in China, we have been committed to the design and production of miniature ball bearings with high precision and high speed, who has more then 15 year’s experience in designing and manufacturing miniature ball bearings for industries.
The item R156ZZ is one of pop miniature ball bearings in Runstar, it is with a bore diameter 4.762mm,a outer diameter 7.938mm,and a width 3.175mm, it is covered with shields, and we also have miniature ball bearings with rubber seals for choices.
We have full series of miniature ball bearings for choice, all miniature ball bearings from Runstar has the followings characteristics.
1：full size of miniature ball bearings available. Runstar design and manufacture full sizes of miniature ball bearings with a bore size from 1mm to 15mm for industries，it consists of metric miniature ball bearings, inch miniature ball bearings and miniature flange bearings.
2：High precision from ABEC-1 to ABEC-7 for choice.
3：High speed .
4：Long life.
5:RoHs and REACH compliance
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| R156zz | RI-5632zz | R156zz | AX3/16zz | 4763Azz | R156zz |
