74-2500-00 Bore 2236 Mm, Specific Double Row Roller Slewing Rings ((Heavy Duty - Radial) For Very High Load Applications
The 74-2500-00 Slewing bearings are widely used in mechanical equipment that needs to bear heavy loads and achieve smooth rotation, such as engineering machinery (excavators, truck cranes), wind power generation (yaw and pitch bearings), port machinery (stack-reclaimers), robots (industrial robot rotary tables), medical equipment (CT scanner rotating frames), and new energy (solar tracking systems), among other fields.
The 74-2500-00 bearing is a Specific double row roller slewing rings ((Heavy Duty - Radial) for very high load applications with internal gear with cage with an inner diameter of 2236 mm , an outer diameter of 2687 mm, a width of 158 mm. It typically uses P0, P6, P5 grade precision tolerances and 42CrMo4 rings, GCr15 rolling mlement. It primarily bears axial, radial and tilting moment loads, Double sealed type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
74-2500-00 bearings ( 2236 mm x 2687 mm x 158 mm) have the advantages of Integrated transmission, ultra-high load capacity, simplified structure, and are therefore widely used in the Construction machinery, wind power generation, port machinery, solar tracking systems, industrial robots, medical equipment, aerospace, and military equipment.
| Part Number | 74-2500-00 |
| Interchangeable | ROLLIX 74-2500-00 |
| Series | series 74 (HD-R) |
| Bearing Type | Specific double row roller slewing rings ((Heavy Duty - Radial) for very high load applications with internal gear with cage |
| Gearing type | internal gear |
| Cages or spacers Material | Reinforced Nylon (PA66 + Glass Fiber) |
| Seal | Double sealed |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Rows NO. | Double |
| Manufacturer Part Code | 74 2500 00 |
| Load | axial, radial and tilting moment loads |
| Accuracy class | P0, P6, P5 |
| Rolling Element Type | Cylindrical rollers |
| DIMENSIONS | |
| HT [mm] | 158 |
| Øde [mm] | 2687 |
| He [mm] | 146 |
| Ødi [mm] | 2236 |
| Hi [mm] | 146 |
| Bearing Weight [kg] | 1507 |
| GEAR | |
| Module [mm] | 18 |
| Number of teeth - Z | 125 |
| W [mm] | 136 |
| Gear capacity unhardened [N] | 476000 |
| Gear capacity hardened [N] | 554000 |
| FASTENING HOLES | |
| External ring hole type | Through |
| Øfe [mm] | 2615 |
| Ne Number of holes on Outer Ring | 96 |
| Dhe [mm] | 36 |
| Inner ring hole type | Through |
| Øfi [mm] | 2393 |
| Ni Number of holes on Inner Ring | 96 |
| Dhi [mm] | 36 |
| GREASING | |
| Ring with greasing holes (with M10 x 1.00 thread) | on External ring |
| Greasing hole type | Radial |
The 74-2500-00 Slewing bearings mainly consist of an inner ring, an outer ring, rolling elements (steel balls or rollers), spacers, seals, and mounting holes. Gears can be integrated into the inner and outer rings for direct meshing with the drive mechanism to achieve power transmission.
Slewing bearings can simultaneously withstand axial loads, radial loads, and overturning moments, exhibiting high load-bearing capacity and outstanding rigidity. Their integrated structure facilitates installation, minimizes space occupation, ensures smooth operation, and reduces maintenance intervals.
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