23156 VAB Bore 280 Mm, Solid Brass Cage, Spherical Roller Bearings, Double Row
The 23156 VAB 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 23156 VAB bearing is a Spherical roller bearings, double row with an inner diameter of 280 mm , an outer diameter of 460 mm, a width of 146 mm. GCr15SiMn rings, GCr15SiMn rolling mlement. It uses Normal standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
23156 VAB bearings ( 280 mm x 460 mm x 146 mm) have the advantages of Self-aligning, high load-bearing capacity, impact resistant, and adaptable to heavy loads, and are therefore widely used in the Gearboxes, drive shafts, conveying equipment, general machinery.
| Part Number | 23156 VAB |
| Bearing Type | Spherical roller bearings, double row |
| Reference From | SKF 23156 VAB |
| Cage | Solid brass cage |
| Seal | Open |
| Internal clearance | Normal |
| Weight [lb] | 213.846 |
| Permissible angular misalignment | 3 degrees |
| Heat stabilization | 392 °F (200 °C) |
| Roller bearing type | Spherical |
| Bore Type | Z = cylindrical bore |
| Principal Dimensions | |
| Inside - d φ [inch] | 11.024 |
| Inside - d φ tolerance | -0.035 mm to 0 |
| Outside - D Φ [inch] | 18.110 |
| Outside - D Φ tolerance | -0.045 mm to 0 |
| Width - B [inch] | 5.748 |
| Width - B tolerance | -0.1 mm to 0 |
| d2 [inch] | 13.150 |
| D1 [inch] | 15.787 |
| b [inch] | 0.657 |
| K [inch] | 0.354 |
| r1,r2(min.) [inch] | 0.197 |
| Performance | |
| Dynamic Radial - Cr [lbf] | 604181 |
| Static Radial - C0r [lbf] | 899179 |
| Speed ratings (oil) - nG [rpm] | 1273 |
The 23156 VAB 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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