| Product Number | WIR1630101-OS Bearing |
| D | 0.629 |
| d | |
| d1 | |
| d2 | |
| A (mm) | 3.8 |
| B | 0.98 |
| C | 1.46 |
| S1 | |
| S2 | 1.36 |
| NSK NO. | |
| FAG NO. | WN6397S |
| MCQVAYNORRS | |
| D2 | 0.4744 |
WIR1630101-OS Bearing|Water pump bearings|WR Series|WIR Series|WIB Series|WD1226 Seires| WB1940 Seires|WB1630 Series|WB1224 Series|WB 1974 Series|Water Pump Bearings|WIR1630101-OS_Bearing
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