| Part Number | SR155 EE | 
| Bearing type | BALL | 
| Structure | Single Row | 
| Load Direction | Radial | 
| Seal type | Open | 
| Bore diameter(d) | 5/32″︱3.969mm | 
| Outer diameter(D) | 5/16″︱7.938mm | 
| Width of outer diameter(C) | 0.1094″︱2.779mm | 
| Width of inner diameter(B) | 0.1406″︱3.571mm | 
| material | Stainless steel 440C(9Cr18) | 
| ring material | Stainless steel 440C(9Cr18) | 
| cage material | 300 Series Stainless Steel | 
| ball material | Stainless steel 440C(9Cr18) | 
| 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) | 0.51 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 307 N | 
| Static Load Rating (Cor) | 120  N |