| Product Number | WIR1938135A Bearing |
| D | 0.7465 |
| d | |
| d1 | |
| d2 | |
| A (mm) | 5.31 |
| B | 1.47 |
| C | 1.71 |
| S1 | |
| S2 | 1.61 |
| NSK NO. | 665781 |
| FAG NO. | WKN2531 |
| MCQVAYNORRS | |
| D2 | 0.6267 |
WIR1938135A Bearing|Water pump bearings|WR Series|WIR Series|WIB Series|WD1226 Seires| WB1940 Seires|WB1630 Series|WB1224 Series|WB 1950 Series|Water Pump Bearings|WIR1938135A_Bearing
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