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BT4B 328912 E1/C300
| Part Number | BT4B 328912 E1/C300 |
| System of Measurement | Metric |
| Type | Bearing |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered Roller |
| For Load Direction | Combined |
| Construction | Four-row |
| Seal Type | Open |
| Bore Dia | 355.6 mm |
| Bore Dia Tolerance | -0.04mm to 0 |
| Outer Dia | 488.95 mm |
| Outer Dia Tolerance | -0.045mm to 0 |
| Total Bearing Width Over Inner Rings | 317.5 mm |
| Total Bearing Width Over Inner Rings Tolerance | -0.25mm to 0 |
| Total Bearing Width Over Outer Rings | 317.5 mm |
| Total Bearing Width Over Outer Rings Tolerance | +0.4mm to -0.4mm |
| Abutment Diameter Shaft | 382 mm |
| Abutment Diameter Housing | 382 mm |
| Chamfer Dimension Inner Ring | min.1.0 mm |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Steel |
| Dynamic Radial Load | 1147500 lbf |
| Static Radial Load | 2250000 lbf |
| Fatigue Load Limit | 186750 lbf |
| Comparative Radial Load Rating | 243000 lbf |
| Comparative Axial Load Rating | 39825 lbf |
| Lubrication | Required |
| Temperature Range | -30° to 110 °C |
| ABEC Rating | ABEC-1 |
| Radial Clearance | Standard (Available in C3/C4/C5) |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 374.79 lb |
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