| Part Number | SR4A | 
| Bearing type | Ball | 
| Structure | Single Row | 
| Load Direction | Radial | 
| Seal type | Open | 
| Bore diameter(d) | 1/4″︱6.35mm | 
| Outer diameter(D) | 3/4″︱19.05mm | 
| Width(B) | 0.2188″︱5.558mm | 
| 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) | 3.5mm | 
| BALL QTY | 6 | 
| lubrication | grease or oil | 
| Temperature Range | -30℃~130℃ | 
| weight(g) | 7.48 | 
| ISO9001:2015 | PASSED | 
| REACH | PASSED | 
| ROHS | PASSED | 
| Dynamic Load Rating (Cr) | 1984 N | 
| Static Load Rating (Cor) | 716 N | 

BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN | 
| SR4A | SRI-1214 | SEE2 | SR4A | SBR1/4 | SR4A | 








