23222CCK/VA759 Bore 110 Mm, Stamped Steel Cages, Spherical Roller Bearings, For Printing/coater Roller Specification
The 23222CCK/VA759 Spherical roller bearings are widely used in critical rotating parts of various printing equipment, such as offset printing presses (impression cylinders, rubber cylinders), gravure printing presses, flexographic printing presses, folding machines, paper feeding devices, and oven guide roller support.
The 23222CCK/VA759 bearing is a Spherical roller bearings, double row with an inner diameter of 110 mm , an outer diameter of 200 mm, a width of 69.8 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.
23222CCK/VA759 bearings ( 110 mm x 200 mm x 69.8 mm) have the advantages of Self-aligning, capable of withstanding heavy loads and impacts, and can compensate for installation errors or shaft deflection, and are therefore widely used in the Printing machinery, papermaking machinery and various heavy industrial equipment.
| Part Number | 23222CCK/VA759 |
| Bearing Type | Spherical roller bearings, double row |
| Internal design | CC = Flangeless inner ring, guide ring centred on the inner ring, two stamped steel cages |
| Reference From | SKF 23222CCK/VA759 |
| Cage | CC = stamped steel cages |
| Seal | Open |
| Internal clearance | Normal |
| Weight [lb] | 21.164 |
| Permissible angular misalignment | 3.5 degrees |
| Heat stabilization | 392 °F (200 °C) |
| Roller bearing type | Spherical |
| Bore Type | K = Tapered bore, taper 1:12 |
| Other variants | VA759 = Printing/coater roller specification |
| Principal Dimensions | |
| Inside - d φ [inch] | 4.331 |
| Inside - d φ tolerance | +0.035 mm to 0 |
| Outside - D Φ [inch] | 7.874 |
| Outside - D Φ tolerance | -0.030 mm to 0 |
| Width - B [inch] | 2.748 |
| Width - B tolerance | -0.08 mm to 0 |
| d2 [inch] | 5.118 |
| D1 [inch] | 6.654 |
| b [inch] | 0.327 |
| K [inch] | 0.177 |
| r1,r2(min.) [inch] | 0.083 |
| Performance | |
| Dynamic Radial - Cr [lbf] | 13869 |
| Static Radial - C0r [lbf] | 171886 |
| Speed ratings (oil) - nG [rpm] | 3162 |
The 23222CCK/VA759 Spherical roller bearings mainly consist of a spherical outer ring, a double-raceway inner ring, two rows of drum-shaped rollers, and a cage. The outer ring raceway is spherical, providing self-aligning functionality. To accommodate high-speed printing, a solid brass cage is often used, with radial clearance configured according to group C3. Some models may include lubrication grooves and oil holes.
Spherical roller bearings offer excellent self-aligning performance, compensating for deflection and misalignment of printing press cylinders under high-speed operation. They have high radial load capacity, capable of withstanding heavy loads and impacts generated by printing pressure. Low friction and low temperature rise ensure registration accuracy during high-speed printing. A special clearance design accommodates shaft thermal expansion, preventing over-alignment.
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