BT4B 334014 AAG/HA1C300VA901 Bore 489.026 Mm, Four-row TQO Design Tapered Roller Bearings
The BT4B 334014 AAG/HA1C300VA901 Four-row tapered roller bearings are suitable for applications involving heavy combined loads. Classic applications include rolling mill work rolls, heavy machine tool spindles, mining crushers, oil drilling rig turntables, large wind turbine spindles, and shaft positioning ends of ship propulsion systems.
The BT4B 334014 AAG/HA1C300VA901 bearing is a Four-row TQO design tapered roller bearings with an inner diameter of 489.026 mm , an outer diameter of 634.873 mm, a width of 320.675 mm. HA1 = outer and inner rings of case hardened steel rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 5229045 N, its static radial rated load is approximately 12499341 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BT4B 334014 AAG/HA1C300VA901 bearings ( 489.026 mm x 634.873 mm x 320.675 mm) have the advantages of It can withstand extremely high radial loads and bidirectional axial loads, has a compact structure, and is highly rigid, making it suitable for heavy-duty impact conditions, and are therefore widely used in the Metallurgical rolling mills, large gearboxes, heavy mining machinery, oil drilling equipment.
| Part Number | BT4B 334014 AAG/HA1C300VA901 |
| Interchangeable | SKF BT4B 334014 AAG/HA1C300VA901 |
| Bearing Type | Four-row TQO design tapered roller bearings |
| Units | Inch |
| Series | BT4B series( BT4B334..AAG/HA1C300VA901) |
| Design variant | TQOSN/GWSI |
| Matched arrangement | No |
| Flange | No |
| Bore | Cylindrical with helical groove |
| Heat stabilized | 150 °C (300 °F) |
| Row NO. | Four |
| Bearing Mass - m [lb] | 529.104 |
| Manufacturer Part Code | BT4B334014AAG/HA1C300VA901 |
| Bearing part | Complete |
| Seal | VA901 = fluoro rubber (FPM) seals at both sides, sealing ring between inner rings, can be relubricated via outer ring |
| Design type | G = helical groove in bearing bore |
| Coating | No |
| Cage | Stamping steel cage |
| Internal clearance | C300 = axial internal clearance, mean value 300 μm |
| d φ Inside [inch] | 19.253 |
| D Φ Outside [inch] | 24.995 |
| T Thickness [inch] | 12.625 |
| d1 [inch] | 20.315 |
| B Cone [inch] | 12.625 |
| r1,2 min. Chamfer [inch] | 0.098 |
| r3,4 min. Chamfer [inch] | 0.130 |
| D1 [inch] | 23.150 |
| K Thrust coefficient [inch] | 0.061 |
| e Limiting value | 0.37 |
| Y1 Calculation coefficient | 1.8 |
| Y2 Calculation coefficient | 2.7 |
| Y0 Calculation coefficient | 1.8 |
| Cr Radial Dynamic [lbf] | 1175489 |
| C0r Radial Static [lbf] | 2809851 |
| Pu Fatigue load limit [lbf] | 213372 |
| CF Radial Comparative [lbf] | 285374 |
| CFa Axial Comparative Capacity [lbf] | 51913 |
The BT4B 334014 AAG/HA1C300VA901 Four-row tapered roller bearings typically consist of two double-raceway outer rings, two single-raceway inner rings, four rows of tapered rollers, a cage, and a spacer. The inner and outer rings and rollers are designed in metric or imperial units. The axial clearance or preload can be precisely adjusted by grinding the spacer.
The advantage of four-row tapered roller bearings is that they can withstand huge radial loads and bidirectional axial loads at the same time. They have extremely high overall rigidity and excellent load-bearing capacity, making them suitable for use as fixed ends to achieve precise axial positioning. However, their limiting speed is relatively lower than that of cylindrical roller bearings.
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