23038-2CS5K/VT143 Spherical Roller Bearings, Stamping Steel Cage, Tapered Bore
The 23038-2CS5K/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 23038-2CS5K/VT143 bearing is a Sealed spherical roller bearings with an inner diameter of 190 mm , an outer diameter of 290 mm, a width of 75 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 908895 N, its static radial rated load is approximately 1331896 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.
23038-2CS5K/VT143 bearings ( 190 mm x 290 mm x 75 mm) have the advantages of Small cross-section, high load-bearing capacity, self-aligning, and low friction, and are therefore widely used in the Gearbox, motor, space-constrained transmission components.
| Part Number | 23038-2CS5K/VT143 |
| Manufacturer Part Code | 23038-2CS5K/VT143 |
| Bearing Type | Sealed spherical roller bearings |
| m Weight [lb] | 36.376 |
| Seal type | 2CS5 = Contact seal, HNBR, on both sides |
| Series | 230..-2CS5K/VT143 |
| Cage | Stamping steel cage |
| Lubrication | VT143 = Filled to 25 – 45% with LGEP 2 grease |
| Bore Type | K = Tapered bore, taper 1:12 |
| Radial internal clearance | CN |
| Units | Metric |
| Sealing type | Contact |
| Cr Dynamic Radial [lbf] | 204319 |
| C0r Static Radial [lbf] | 299410 |
| Pu Fatigue Radial [lbf] | 27371 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nG Speed ratings (oil) [rpm] | 496 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 7.480 |
| D Φ Outside [inch] | 11.417 |
| B Width [inch] | 2.953 |
| b [inch] | 0.547 |
| K [inch] | 0.295 |
| d2 [inch] | 8.307 |
| D1 [inch] | 10.630 |
| ra(max.) Fillet [inch] | 0.079 |
| r1,r2(min.) Fillet [inch] | 0.083 |
| Angular misalignment | 1.5 degrees |
| Da(max.) [inch] | 10.984 |
| Calculation factor | |
| e | 0.21 |
| Y1 | 3.2 |
| Y2 | 4.8 |
| Y0 | 3.2 |
The 23038-2CS5K/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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