Detailed description
model parameter:
| d | 75 |
| D | 160 |
| B | 37 |
| R | 2.1 |
| Cr | 250 |
| Cor | 312 |
| Grease | 2500 |
| oil | 3300 |
| Cylindrical Bore | 21315R |
| TapeRed Bore | 21315RK |
| da | 87 |
| da | 148 |
| Ra | 2 |
| e | 0.23 |
| Y1 | 2.88 |
| Y2 | 4.29 |
| Y0 | 2.82 |
| CylindRical Bore | 3.56 |
| TapeRed Bore | 3.51 |
characteristic :
Spherical roller bearings, designed to apply for heavy loading capacity, can compensate for shaft deformation and non-centered error with symmetrical doulbe row spherical rollers self-aligning in the groove of the outer ring.
Buy advantage:
1.own factory
2.large stock
3.high quality and advantage price









