C 4040-2CS5V/GEM9 Bore 200 Mm, Sealed CARB Toroidal Roller Bearings , Full Complement
The C 4040-2CS5V/GEM9 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 4040-2CS5V/GEM9 bearing is a Sealed CARB toroidal roller bearings , Full complement with an inner diameter of 200 mm , an outer diameter of 310 mm, a width of 109 mm. It typically uses PN grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 1625175 N, its static radial rated load is approximately 2648655 N. It uses CN standard radial clearance, 2CS5 = Contact seal, HNBR, both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
C 4040-2CS5V/GEM9 bearings ( 200 mm x 310 mm x 109 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 4040-2CS5V/GEM9 |
| Interchangeable | SKF C 4040-2CS5V/GEM9 |
| Cage | V = Full complement of rollers (no cage) |
| Bearing Type | Sealed CARB toroidal roller bearings , Full complement |
| Load | radial |
| Accuracy class | PN |
| Bearing part | Complete |
| Internal clearance | CN |
| Row NO. | One |
| Heat stabilized | 200 °C (390 °F) |
| Seal | 2CS5 = Contact seal, HNBR, both sides |
| Sealing type | Contact |
| Units | Metric |
| Manufacturer Part Code | C4040-2CS5V/GEM9 |
| Series | C40 series (C40..-2CS5V/GEM9) |
| Lubrication | GEM9 = Filled to 70–100% with LGHB 2 grease |
| Locating feature | NO |
| Relubrication feature | NO |
| Weight [lb] | 68.3426 |
| Cr Radial Dynamic [lbf] | 365339 |
| C0r Radial Static [lbf] | 595417 |
| Pu Fatigue load limit [lbf] | 51813 |
| nG Speed ratings (oil) [rpm] | 44 |
| d φ Inside [inch] | 7.8740 |
| D Φ Outside [inch] | 12.2047 |
| B Thickness [inch] | 4.2913 |
| r1,2 min Chamfer [inch] | 0.0827 |
| d2 [inch] | 9.0157 |
| D1 [inch] | 11.0236 |
| s2 max. Permissible axial displacement [inch] | 0.2638 |
| ra max Radius of fillet [inch] | 0.0787 |
| da min [inch] | 8.2677 |
| Da max [inch] | 11.811 |
| da max [inch] | 8.937 |
| k1 Misalignment Coefficient | 0.101 |
| k2 Internal clearance Coefficient | 0.108 |
The C 4040-2CS5V/GEM9 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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