BS2-8138-2CS6K30/C4LGEA8 Spherical Roller Bearings, Machined Metal, Tapered Bore, Taper 1:30
The BS2-8138-2CS6K30/C4LGEA8 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 BS2-8138-2CS6K30/C4LGEA8 bearing is a Sealed spherical roller bearings with an inner diameter of 1100 mm , an outer diameter of 1730 mm, a width of 660 mm. High-carbon chromium steel rings, High-carbon chromium steel rolling mlement. Its dynamic radial rated load is approximately 35112916 N, its static radial rated load is approximately 70979778 N. It uses C4L standard radial clearance, 2CS6 = Contact seal, G-ECOPUR, on one or both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
BS2-8138-2CS6K30/C4LGEA8 bearings ( 1100 mm x 1730 mm x 660 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 | BS2-8138-2CS6K30/C4LGEA8 |
| Manufacturer Part Code | BS2-8138-2CS6K30/C4LGEA8 |
| Bearing Type | Sealed spherical roller bearings |
| m Weight [lb] | 12687.473 |
| Seal type | 2CS6 = Contact seal, G-ECOPUR, on one or both sides |
| Series | BS2-81..-2CS6K30/C4LGEA8 |
| Cage | Machined metal |
| Lubrication | GEA8 = Filled to 60 – 80% with LGEV 2 grease |
| Bore Type | K30 = Tapered bore, taper 1:30 |
| Radial internal clearance | C4L |
| Units | Metric |
| Sealing type | Contact |
| Cr Dynamic Radial [lbf] | 7893383 |
| C0r Static Radial [lbf] | 15956254 |
| Pu Fatigue Radial [lbf] | 838333 |
| Operating temperature - T(min) [°C] | -30 |
| Operating temperature - T(max) [°C] | +200 |
| nG Speed ratings (oil) [rpm] | 20 |
| Heat stabilization | 392 °F (200 °C) |
| Dimension | |
| d φ Inside [inch] | 43.307 |
| D Φ Outside [inch] | 68.110 |
| B Width [inch] | 25.984 |
| b [inch] | 0.878 |
| K [inch] | 0.472 |
| d2 [inch] | 48.307 |
| D1 [inch] | 62.441 |
| ra(max.) Fillet [inch] | 0.472 |
| r1,r2(min.) Fillet [inch] | 0.591 |
| Da(max.) [inch] | 65.827 |
| Calculation factor | |
| e | 0.33 |
| Y1 | 2 |
| Y2 | 3 |
| Y0 | 2 |
The BS2-8138-2CS6K30/C4LGEA8 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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