22218 CKY Bore 90 Mm, Pressed Brass Cage, Spherical Roller Bearings
The 22218 CKY 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 22218 CKY bearing is a Spherical roller bearings, double row with an inner diameter of 90 mm , an outer diameter of 160 mm, a width of 40 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.
22218 CKY bearings ( 90 mm x 160 mm x 40 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 | 22218 CKY |
| Bearing Type | Spherical roller bearings, double row |
| Reference From | SKF 22218 CKY |
| Cage | Y = Pressed brass cage, ring guided |
| Seal | Open |
| Internal clearance | Normal |
| Weight [lb] | 7.496 |
| Permissible angular misalignment | 1.5 degrees |
| Heat stabilization | 392 °F (200 °C) |
| Roller bearing type | Spherical |
| Bore Type | K = Tapered bore, taper 1:12 |
| Principal Dimensions | |
| Inside - d φ [inch] | 3.543 |
| Inside - d φ tolerance | +0.035 mm to 0 |
| Outside - D Φ [inch] | 6.299 |
| Outside - D Φ tolerance | -0.025 mm to 0 |
| Width - B [inch] | 1.575 |
| Width - B tolerance | -0.08 mm to 0 |
| d2 [inch] | 4.173 |
| D1 [inch] | 5.551 |
| b [inch] | 0.236 |
| K [inch] | 0.118 |
| r1,r2(min.) [inch] | 0.079 |
| Performance | |
| Dynamic Radial - Cr [lbf] | 74299 |
| Static Radial - C0r [lbf] | 84152 |
| Speed ratings (oil) - nG [rpm] | 5265 |
The 22218 CKY 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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