| Part Number | SR1-4 | 
| Bearing type | BALL | 
| Structure | Single Row | 
| Load Direction | Radial | 
| Seal type | Open | 
| Bore diameter(d) | 5/64″︱1.984mm | 
| Outer diameter(D) | 1/4″︱6.35mm | 
| Width(B) | 3/32″︱2.381mm | 
| material | Stainless steel 440C(9Cr18) | 
| ring material | Stainless steel 440C(9Cr18) | 
| cage material | Stainless steel 304 | 
| ball material | Stainless steel 440C(9Cr18) | 
| Rubber material | Stainless steel 304 with rubber | 
| Grade | ABEC-1 | 
| Clearance | C0 | 
| BALL SIZE(mm) | 1mm | 
| BALL QTY | 7 | 
| lubrication | grease or oil | 
| Temperature Range | -30℃~130℃ | 
| weight(g) | 0.4 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 240 N | 
| Static Load Rating (Cor) | 75 N | 

BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN | 
| SR1-4 | SR1-4 | SR1-4 | SX5/64 | SBR5/64 | SR1-4 | 








