*It can be stored for a long time and is hydrolysis resistant in
temparatures of -30℃ .
*Good abrasion resistance
*Rust and corrosion resistant

| Part No. | Diameter | Wheel Width | Hub length | Hub bore hole dia. | Bearing type | Axle bore hole | Load Capacity |
|---|---|---|---|---|---|---|---|
| 1WSSP4200/B3 | 101 | 50 | 57 | 40 | 6203 | 17 | 300 |
| 1WSSP5200/B4 | 128 | 50 | 57 | 47 | 6204 | 20 | 350 |
| 1WSSP6200/B4 | 152 | 50 | 57 | 47 | 6204 | 20 | 400 |
| 1WSSP6250/B5 | 152 | 63 | 82 | 52 | 6205 | 25 | 500 |
| 1WSSP6300/B5 | 152 | 76 | 82 | 52 | 6205 | 25 | 500 |
| 1WSSP8200/B4 | 203 | 50 | 57 | 47 | 6204 | 20 | 450 |
| 1WSSP8250/B5 | 203 | 63 | 82 | 52 | 6205 | 25 | 450 |
| 1WSSP8300/B5 | 203 | 76 | 82 | 52 | 6205 | 25 | 600 |
| 1WSSP1025/B5 | 254 | 63 | 82 | 52 | 6205 | 25 | 600 |
| 1WSSP1030/B5 | 254 | 76 | 82 | 52 | 6205 | 25 | 650 |
| 1WSSP1230/B5 | 304 | 76 | 85 | 52 | 6205 | 25 | 700 |