| Part Number | 693 |
| Bearing type | BALL |
| Structure | Single Row |
| Load Direction | Radial |
| Seal type | Open |
| Bore diameter(d) | 3mm |
| Outer diameter(D) | 8mm |
| Width(B) | 3mm |
| 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) | 1.2 mm |
| BALL QTY | 7 |
| lubrication | grease(oil available) |
| Temperature Range | -30℃~130℃ |
| weight(g) | 0.6 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 474 N |
| Static Load Rating (Cor) | 144 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 .The item 693 is belong to miniature ball bearings with a bore size 3mm, a outer diameter 8mm and a width 3mm,it is with open type,and it is very for user to clean and add the grease. Runstar is a professional miniature ball bearings manufacturer in China,certified ISO9001:2015. Miniature ball bearings from Runstar can be chrome steel(Gcr15),stainless steel(440 or 420) or hybrid ceramic, with a precision tolerance from ABEC-1 to ABEC 9 ,customized miniature ball bearings are accepted for special application in Runstar.Miniature ball bearings 693 are very pop in market,which are widely used in the fields of precision instrument,micro motor,home application,medical device,massage equipment,sports equipment,textile machinery,woodworking machinery,motor,power tool,water pump,air compressor,fishing reel and Yoyo etcs.
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| 693ZZ | R-830ZZ | W693ZZ | 639/3ZZ | 693-2Z | 693ZZ |
