C 39/1500 MB Bore 1500 Mm, CARB Toroidal Roller Bearings
The C 39/1500 MB CARB ring roller bearings are widely used in continuously operating equipment where misalignment and thermal expansion occur, specifically including: papermaking machinery (drying cylinders, calenders), wind power generation (main shafts), industrial gearboxes, continuous casting lines, ship propulsion shafts, and large wind turbines.
The C 39/1500 MB bearing is a CARB toroidal roller bearings with an inner diameter of 1500 mm , an outer diameter of 1950 mm, a width of 335 mm. It typically uses PN grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 19598781 N, its static radial rated load is approximately 47999307 N. It uses CN standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
C 39/1500 MB bearings ( 1500 mm x 1950 mm x 335 mm) have the advantages of Self-aligning + displacement, high load capacity, long service life, and are therefore widely used in the Papermaking machinery, wind turbines, industrial gearboxes, material conveying equipment and vibrating screens.
| Part Number | C 39/1500 MB |
| Interchangeable | SKF C 39/1500 MB |
| Cage | MB = a machined brass cage, prong-type, inner ring centred |
| Bearing Type | CARB toroidal roller bearings |
| Load | radial |
| Accuracy class | PN |
| Bearing part | Complete |
| Internal clearance | CN |
| Row NO. | One |
| Heat stabilized | 200 °C (390 °F) |
| Seal | Open |
| Units | Metric |
| Manufacturer Part Code | C39/1500MB |
| Series | C39 series (C39..MB) |
| Lubrication | NO |
| Locating feature | NO |
| Relubrication feature | NO |
| Weight [lb] | 5974.4660 |
| Cr Radial Dynamic [lbf] | 4405805 |
| C0r Radial Static [lbf] | 10790244 |
| Pu Fatigue load limit [lbf] | 539450 |
| nB Speed ratings (grease) [rpm] | 130 |
| nG Speed ratings (oil) [rpm] | 181 |
| d φ Inside [inch] | 59.0550 |
| D Φ Outside [inch] | 76.7715 |
| B Thickness [inch] | 13.1890 |
| r1,2 min Chamfer [inch] | 0.3740 |
| d2 [inch] | 64.4093 |
| D1 [inch] | 72.0865 |
| s1 max. Permissible axial displacement [inch] | 1.3780 |
| ra max Radius of fillet [inch] | 0.3150 |
| Da min [inch] | 70.3936 |
| da min [inch] | 60.3936 |
| Da max [inch] | 75.433 |
| da max [inch] | 64.291 |
| Ca min. [inch] | 0.366 |
| k2 Internal clearance Coefficient | 0.096 |
The C 39/1500 MB CARB ring roller bearings consist of an inner ring (with double raceways), a spherical outer ring, ring rollers (symmetrical rollers with a special profile), and a cage. The outer ring raceways are spherical, and the rollers are arranged in a ring, combining the structural characteristics of self-aligning roller bearings and cylindrical roller bearings.
CARB ring roller bearings integrate self-aligning capability and axial displacement capability, compensating for shaft bending and misalignment (self-aligning function) while allowing bidirectional axial displacement between the shaft and the bearing housing (floating function). They have extremely high radial load capacity, with line contact between the rollers and raceways, resulting in uniform stress distribution. Their compact structure allows them to replace the combination of self-aligning roller bearings and floating end bearings, simplifying system design.
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