240/500 CAK 30 W33 C4 Bore 530 Mm, Brass Cage, Spherical Roller Bearings
The 240/500 CAK 30 W33 C4 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 240/500 CAK 30 W33 C4 bearing is a Spherical roller bearings, double row with an inner diameter of 530 mm , an outer diameter of 780 mm, a width of 250 mm. GCr15SiMn rings, GCr15SiMn rolling mlement. It uses C4 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
240/500 CAK 30 W33 C4 bearings ( 530 mm x 780 mm x 250 mm) have the advantages of High load-bearing capacity, impact resistant, self-aligning, and easy to install, and are therefore widely used in the Wind turbine main shaft, large ship main shaft, giant construction machinery.
| Part Number | 240/500 CAK 30 W33 C4 |
| Bearing Type | Spherical roller bearings, double row |
| Internal design | CA = Integral side flanges,inner ring guided one-piece machined brass cage |
| Reference From | SKF 240/500 CAK 30 W33 C4 |
| Cage | CA = brass cage |
| Seal | Open |
| Internal clearance | C4 |
| Weight [lb] | 859.794 |
| Permissible angular misalignment | 2 degrees |
| Heat stabilization | 392 °F (200 °C) |
| Roller bearing type | Spherical |
| Lubrication | W33 = Annular groove and three lubrication holes in the outer ring |
| Bore Type | K = Tapered bore, taper 1:12 |
| Principal Dimensions | |
| Inside - d φ [inch] | 20.866 |
| Inside - d φ tolerance | +0.07 mm to 0 |
| Outside - D Φ [inch] | 30.709 |
| Outside - D Φ tolerance | -0.075 mm to 0 |
| Width - B [inch] | 9.843 |
| Width - B tolerance | -0.5 mm to 0 |
| d2 [inch] | 23.779 |
| D1 [inch] | 27.559 |
| b [inch] | 1.961 |
| K [inch] | 0.591 |
| r1,r2(min.) [inch] | 0.236 |
| Performance | |
| Dynamic Radial - Cr [lbf] | 1606921 |
| Static Radial - C0r [lbf] | 2967437 |
| Speed ratings (oil) - nG [rpm] | 50 |
The 240/500 CAK 30 W33 C4 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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