BS2-2226-2CS5K/VT143 Spherical Roller Bearings, Stamping Steel Cage, Tapered Bore
The BS2-2226-2CS5K/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 BS2-2226-2CS5K/VT143 bearing is a Sealed spherical roller bearings with an inner diameter of 130 mm , an outer diameter of 230 mm, a width of 75 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 752901 N, its static radial rated load is approximately 924853 N. It uses Normal standard radial clearance, 2CS5 = Contact seal, HNBR, on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BS2-2226-2CS5K/VT143 bearings ( 130 mm x 230 mm x 75 mm) have the advantages of Self-aligning, high load-bearing capacity, and impact resistant, and are therefore widely used in the Mining machinery, metallurgical equipment, papermaking machinery, vibrating screens, wind turbines, and large industrial gearboxes.
| Part Number | BS2-2226-2CS5K/VT143 |
| Manufacturer Part Code | BS2-2226-2CS5K/VT143 |
| Bearing Type | Sealed spherical roller bearings |
| m Weight [lb] | 24.251 |
| Seal type | 2CS5 = Contact seal, HNBR, on both sides |
| Series | BS2-22..-2CS5K/VT143 |
| Cage | Stamping steel cage |
| Lubrication | VT143 = Filled to 25 – 45% with SKF LGEP 2 grease |
| Bore Type | K = Tapered bore, taper 1:12 |
| Radial internal clearance | Normal |
| Units | Metric |
| Other variants | BS2 = Two row spherical roller bearing, special dimensions |
| Cr Dynamic Radial [lbf] | 169252 |
| C0r Static Radial [lbf] | 207906 |
| Pu Fatigue Radial [lbf] | 18648 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nG Speed ratings (oil) [rpm] | 688 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 5.118 |
| D Φ Outside [inch] | 9.055 |
| B Width [inch] | 2.953 |
| b [inch] | 0.437 |
| K [inch] | 0.236 |
| d2 [inch] | 5.787 |
| D1 [inch] | 8.071 |
| ra(max.) Fillet [inch] | 0.098 |
| r1,r2(min.) Fillet [inch] | 0.118 |
| Abutment dimensions | |
| da(min.) [inch] | 5.669 |
| da(max.) [inch] | 5.787 |
| Da(max.) [inch] | 8.504 |
| Calculation factor | |
| e | 0.27 |
| Y1 | 2.5 |
| Y2 | 3.7 |
| Y0 | 2.5 |
The BS2-2226-2CS5K/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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