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BT4B 328509/HA4
| Part Number | BT4B 328509/HA4 |
| System of Measurement | Metric |
| Type | Bearing |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered |
| For Load Direction | Combined |
| Construction | Four-Row |
| Seal Type | Open |
| Bore Dia | 560 mm |
| Bore Dia Tolerance | -0.05mm to 0 |
| Outer Dia | 920 mm |
| Outer Dia Tolerance | -0.01mm to 0 |
| Total Bearing Width Over Inner Rings | 618 mm |
| Total Bearing Width Over Inner Rings Tolerance | -0.25mm to 0 |
| Total Bearing Width Over Outer Rings | 618 mm |
| Total Bearing Width Over Outer Rings Tolerance | +0.45mm to -0.45mm |
| Abutment Diameter Shaft | 632 mm |
| Abutment Diameter Housing | 632 mm |
| Chamfer Dimension Inner Ring | min.7.5 mm |
| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Steel |
| Dynamic Radial Load | 3712500 lbf |
| Static Radial Load | 7650000 lbf |
| Fatigue Load Limit | 522000 lbf |
| Comparative Radial Load Rating | 990000 lbf |
| Comparative Axial Load Rating | 193050 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 | 3747.86 lb |
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