| Part Number | SR2 | 
| Bearing type | Ball | 
| Structure | Single Row | 
| Load Direction | Radial | 
| Seal type | Open | 
| Bore diameter(d) | 1/8″︱3.175mm | 
| Outer diameter(D) | 3/8″︱9.525mm | 
| Width(B) | 5/32″︱3.967mm | 
| 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) | 1.588mm | 
| BALL QTY | 7 | 
| lubrication | grease or oil | 
| Temperature Range | -30℃~130℃ | 
| weight(g) | 1.04 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 538 N | 
| Static Load Rating (Cor) | 173 N | 

BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN | 
| SR2 | SR-2 | SR2 | SR2 | SBR1/8B | SR2 | 








