24180ECA/C4W33 Spherical Roller Bearings, Brass Cage
The 24180ECA/C4W33 Double-row spherical roller bearings are suitable for heavy-load, impact, and eccentric conditions. Classic applications include vibrating screen exciters, crushers, fans, paper machine press rolls, mining conveyor equipment, and marine propulsion shafts.
The 24180ECA/C4W33 bearing is a Spherical roller bearings, double row with an inner diameter of 400 mm , an outer diameter of 650 mm, a width of 250 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 6330553 N, its static radial rated load is approximately 10599862 N. It uses C4 standard radial clearance, open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
24180ECA/C4W33 bearings ( 400 mm x 650 mm x 250 mm) have the advantages of High load-bearing capacity, impact resistant, self-aligning, and easy to install, and are therefore widely used in the Wind turbine main shaft, large ship main shaft, giant construction machinery.
| Part Number | 24180ECA/C4W33 |
| Manufacturer Part Code | 24180 ECA/C4W33 |
| Internal design | E = Optimized internal design for increased load carrying capacity; CA = Retaining flanges on the inner ring, guide ring centred on the inner ring, machined brass cage |
| Bearing Type | Spherical roller bearings, double row |
| m Weight [lb] | 749.564 |
| Seal type | open |
| Series | 241..-ECA/W33 |
| Cage | CA = brass cage |
| Lubrication | W33 = Annular groove and three lubrication holes in the outer ring |
| Bore Type | Z = cylindrical bore |
| Radial internal clearance | C4 |
| Units | Metric |
| Cr Dynamic Radial [lbf] | 1423108 |
| C0r Static Radial [lbf] | 2382848 |
| Pu Fatigue Radial [lbf] | 165196 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nB Speed ratings (grease) [rpm] | 334 |
| nG Speed ratings (oil) [rpm] | 490 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 15.748 |
| D Φ Outside [inch] | 25.591 |
| B Width [inch] | 9.843 |
| b [inch] | 0.878 |
| K [inch] | 0.472 |
| d2 [inch] | 18.386 |
| D1 [inch] | 22.008 |
| ra(max.) Fillet [inch] | 0.197 |
| r1,r2(min.) Fillet [inch] | 0.236 |
| Angular misalignment | 2.5 degrees |
| Abutment dimensions | |
| da(min.) [inch] | 16.772 |
| Da(max.) [inch] | 24.567 |
| Calculation factor | |
| e | 0.37 |
| Y1 | 1.8 |
| Y2 | 2.7 |
| Y0 | 1.8 |
The 24180ECA/C4W33 Double-row spherical roller bearings mainly consist of an inner ring, an outer ring, two rows of spherical rollers, a cage, and seals. The outer ring raceway has a spherical structure, while the inner ring has a double-row raceway. The rollers and raceways are logarithmically curved. The cage is typically made of stamped steel or machined brass.
Double-row spherical roller bearings possess excellent self-aligning properties, compensating for shaft deflection, installation errors, and misalignment. They can simultaneously withstand radial loads and bidirectional axial loads, exhibiting extremely high load-bearing capacity and strong impact resistance. Furthermore, the internal clearance can be optimized for vibration conditions, effectively reducing frictional temperature rise.
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