239/750CAK/C083W506 Bore 750 Mm, Brass Cage, Spherical Roller Bearings, ABEC 5 Running Accuracy
The 239/750CAK/C083W506 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 239/750CAK/C083W506 bearing is a Spherical roller bearings, double row with an inner diameter of 750 mm , an outer diameter of 1000 mm, a width of 185 mm. It typically uses P5 grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. It uses C3 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
239/750CAK/C083W506 bearings ( 750 mm x 1000 mm x 185 mm) have the advantages of Self-aligning, extremely high load-bearing capacity, thinnest cross-section, low friction, suitable for confined spaces, and are therefore widely used in the Large crushers, mills, and rotary kilns.
| Part Number | 239/750CAK/C083W506 |
| Bearing Type | Spherical roller bearings, double row |
| Internal design | CA = Integral side flanges,inner ring guided one-piece machined brass cage |
| Reference From | SKF 239/750CAK/C083W506 |
| Cage | CA = brass cage |
| Accuracy class | P5 |
| Seal | Open |
| Internal clearance | C3 |
| Weight [lb] | 903.886 |
| Permissible angular misalignment | 1.5 degrees |
| Heat stabilization | 392 °F (200 °C) |
| Roller bearing type | Spherical |
| Bore Type | K = Tapered bore, taper 1:12 |
| Other variants | C08 = ABEC 5 running accuracy, inner and outer rings |
| Principal Dimensions | |
| Inside - d φ [inch] | 29.528 |
| Inside - d φ tolerance | +0.08 mm to 0 |
| Outside - D Φ [inch] | 39.370 |
| Outside - D Φ tolerance | -0.1 mm to 0 |
| Width - B [inch] | 7.283 |
| Width - B tolerance | -0.75 mm to 0 |
| d2 [inch] | 32.992 |
| D1 [inch] | 36.614 |
| b [inch] | 0.878 |
| K [inch] | 0.472 |
| r1,r2(min.) [inch] | 0.236 |
| Performance | |
| Dynamic Radial - Cr [lbf] | 1379779 |
| Static Radial - C0r [lbf] | 2967311 |
| Speed ratings (oil) - nG [rpm] | 538 |
The 239/750CAK/C083W506 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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