| Part Number | SR4 |
| Bearing type | Ball |
| Structure | Single Row |
| Load Direction | Radial |
| Seal type | Open |
| Bore diameter(d) | 1/4″︱6.35mm |
| Outer diameter(D) | 5/8″︱15.875mm |
| Width(B) | 0.1960″︱4.978mm |
| 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) | 2.381mm |
| BALL QTY | 8 |
| lubrication | grease or oil |
| Temperature Range | -30℃~130℃ |
| weight(g) | 4.46 |
| ISO9001:2015 | PASSED |
| REACH | PASSED |
| ROHS | PASSED |
| Dynamic Load Rating (Cr) | 1259N |
| Static Load Rating (Cor) | 498 N |
BEARING INTERCHANGE
| RUNSTAR | NMB | NTN | ADR | GRW | EZO | TIMKEN |
| SR4 | SR-4 | SR4 | SY1/4 | SBR1/4A | SR4 |
