| Part Number | R4-2RS EE | 
| Bearing type | BALL | 
| Structure | Single Row | 
| Load Direction | Radial | 
| Seal type | Rubber seals | 
| Bore diameter(d) | 1/4″︱6.35mm | 
| Outer diameter(D) | 5/8″︱15.875 | 
| Width of outer diameter(C) | 0.1960″︱4.978mm | 
| Width of inner diameter(B) | 0.2273″︱5.773mm | 
| 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) | 2.381mm | 
| BALL QTY | 8 | 
| lubrication | grease(oil available) | 
| Temperature Range | -30℃~130℃ | 
| weight(g) | 4.54 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 1259 N | 
| Static Load Rating (Cor) | 498  N |