BS2-2205-2RS/VT143 Spherical Roller Bearings, Stamping Steel Cage
The BS2-2205-2RS/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 BS2-2205-2RS/VT143 bearing is a Sealed spherical roller bearings with an inner diameter of 25 mm , an outer diameter of 52 mm, a width of 23 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 49802 N, its static radial rated load is approximately 43852 N. It uses Normal standard radial clearance, 2RS = Contact seal, NBR, on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BS2-2205-2RS/VT143 bearings ( 25 mm x 52 mm x 23 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 | BS2-2205-2RS/VT143 |
| Manufacturer Part Code | BS2-2205-2RS/VT143 |
| Bearing Type | Sealed spherical roller bearings |
| m Weight [lb] | 0.573 |
| Seal type | 2RS = Contact seal, NBR, on both sides |
| Series | BS2-22..-2RS/VT143 |
| Cage | Stamping steel cage |
| Lubrication | VT143 = Filled to 25 – 45% with SKF LGEP 2 grease |
| Bore Type | Z = cylindrical bore |
| Radial internal clearance | Normal |
| Units | Metric |
| Other variants | BS2 = Two row spherical roller bearing, special dimensions |
| Cr Dynamic Radial [lbf] | 11195 |
| C0r Static Radial [lbf] | 9857 |
| Pu Fatigue Radial [lbf] | 1059 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nG Speed ratings (oil) [rpm] | 6051 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 0.984 |
| D Φ Outside [inch] | 2.047 |
| B Width [inch] | 0.906 |
| b [inch] | 0.173 |
| K [inch] | 0.079 |
| d2 [inch] | 1.181 |
| D1 [inch] | 1.835 |
| ra(max.) Fillet [inch] | 0.039 |
| r1,r2(min.) Fillet [inch] | 0.039 |
| Abutment dimensions | |
| da(min.) [inch] | 1.181 |
| da(max.) [inch] | 1.181 |
| Da(max.) [inch] | 1.827 |
| Calculation factor | |
| e | 0.35 |
| Y1 | 1.9 |
| Y2 | 2.9 |
| Y0 | 1.8 |
The BS2-2205-2RS/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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