23944-2CS5/VT143 Spherical Roller Bearings, Stamping Steel Cage
The 23944-2CS5/VT143 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 23944-2CS5/VT143 bearing is a Sealed spherical roller bearings with an inner diameter of 220 mm , an outer diameter of 300 mm, a width of 60 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 653844 N, its static radial rated load is approximately 1071864 N. It uses CN standard radial clearance, 2CS5 = Contact seal, HNBR, on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
23944-2CS5/VT143 bearings ( 220 mm x 300 mm x 60 mm) have the advantages of Self-aligning, extremely high load-bearing capacity, thinnest cross-section, low friction, suitable for confined spaces, and are therefore widely used in the Large crushers, mills, and rotary kilns.
| Part Number | 23944-2CS5/VT143 |
| Manufacturer Part Code | 23944-2CS5/VT143 |
| Bearing Type | Sealed spherical roller bearings |
| m Weight [lb] | 25.794 |
| Seal type | 2CS5 = Contact seal, HNBR, on both sides |
| Series | 239..-2CS5/VT143 |
| Cage | Stamping steel cage |
| Lubrication | VT143 = Filled to 25 – 45% with LGEP 2 grease |
| Bore Type | Z = cylindrical bore |
| Radial internal clearance | CN |
| Units | Metric |
| Sealing type | Contact |
| Cr Dynamic Radial [lbf] | 146984 |
| C0r Static Radial [lbf] | 240955 |
| Pu Fatigue Radial [lbf] | 20887 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nG Speed ratings (oil) [rpm] | 577 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 8.661 |
| D Φ Outside [inch] | 11.811 |
| B Width [inch] | 2.362 |
| b [inch] | 0.327 |
| K [inch] | 0.177 |
| d2 [inch] | 9.370 |
| D1 [inch] | 11.181 |
| ra(max.) Fillet [inch] | 0.079 |
| r1,r2(min.) Fillet [inch] | 0.083 |
| Angular misalignment | 1.5 degrees |
| Abutment dimensions | |
| da(min.) [inch] | 9.094 |
| da(max.) [inch] | 9.370 |
| Da(max.) [inch] | 11.378 |
| Calculation factor | |
| e | 0.15 |
| Y1 | 4.5 |
| Y2 | 6.7 |
| Y0 | 4.5 |
The 23944-2CS5/VT143 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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