NTN 430312U tapered roller bearings
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| Engineering Group | Mounted Bearing |
| Shaft Size | 2-1/4 in |
| Shaft Size Type | Imperial |
| Full Timken Part Number | QAACW11A204SB |
| Locking Style | Double Concentric |
| Weight | 13 lb |
| Housing Style | Piloted Flange Cartridge |
| UPC Code | 0883450017008 |
| Dimension BC | 6.00 in |
| Dimension C | 3.250 in |
| Dimension E | 4.24 in |
| Dimension B Fix | 1.53 in |
| Dimension B Exp | 1.61 in |
| Dimension F | 7.13 in |
| Dimension D | 4.99 in |
| Dimension H | 0.56 in |
| Dimension J (Bolt Size) | 0.5 in |
| Dimension M | 2 in |
| Dimension G | 5.000 in |
| Dimension L Exp | 3.24 in |
| Dimension L Fix | 3.16 in |
| Dimension N | 1.63 in |
| Dimension RAA | 0.58 in |
| Dimension SAA | 4 in |
| C0 – Static Load | 31900 lb |
| C – Dynamic Load (Basic) | 31400 lb |
| e – Geometry Factor | 0.23 |
| Y1 – Geometry Factor | 2.95 |
| Y2 – Geometry Factor | 4.40 |
| Oil Lubrication – M/N Seal | 2200 rpm |
| Oil Lubrication – T Seal | 3800 rpm |
| Oil Lubrication – B/C/O Seal | 1600 rpm |
| Grease Lubrication – M/N Seal | 2200 rpm |
| Grease Lubrication – T Seal | 3200 rpm |
| Grease Lubrication – B/C/O Seal | 1600 rpm |
| Float | 0.050 in |
| Shaft Tolerance | 0.0015 in |
| Eng Internal Radial Clearance – Min | 0.0016 |
| Eng Internal Radial Clearance – Max | 0.0026 |
| Pre Install Clearance Min | 0.0016 in |
| Pre Install Clearance Max | 0.0026 in |
Detailed Parameters
parameter：
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