48-0414-00 Bore 342 Mm, Compact Light Precision Crossed Roller Slewing Rings Without Gear With Spacers
The 48-0414-00 Precision slewing bearings are widely used in fields with stringent requirements for positioning accuracy and motion smoothness, such as: industrial robots (welding and assembly robot rotary tables), CNC machine tools (rotary tables, turrets), medical equipment (CT scanners, surgical robots), precision testing instruments (coordinate measuring machines), radar antennas, and semiconductor equipment (wafer handling platforms).
The 48-0414-00 bearing is a Compact light precision crossed roller slewing rings without gear with spacers with an inner diameter of 342 mm , an outer diameter of 486 mm, a width of 56 mm. It typically uses P6, P5, P4 grade precision tolerances and XC45 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.
48-0414-00 bearings ( 342 mm x 486 mm x 56 mm) have the advantages of The rollers are arranged in a cross pattern, resulting in minimal deformation, low rotational runout, and precise positioning, and are therefore widely used in the robots, indexing tables, positioners, machine tools and rotary tables.
| Part Number | 48-0414-00 |
| Interchangeable | ROLLIX 48-0414-00 |
| Series | series 48 (compact light leg) |
| Bearing Type | Compact light precision crossed roller slewing rings without gear with spacers |
| Gearing type | without gear |
| Cages or spacers Material | Nylon (polyamide PA66) |
| Seal | Double sealed |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Rows NO. | Single |
| Manufacturer Part Code | 48 0414 00 |
| Load | axial, radial and tilting moment loads |
| Accuracy class | P6, P5, P4 |
| Preload | preloaded |
| Rolling Element Type | Cylindrical rollers |
| DIMENSIONS | |
| HT [mm] | 56 |
| Øde [mm] | 486 |
| He [mm] | 44 |
| Ødi [mm] | 342 |
| Hi [mm] | 44 |
| Øce [mm] | 484 |
| Øci [mm] | 344 |
| Hce [mm] | 10 |
| Bearing Weight [kg] | 28 |
| FASTENING HOLES | |
| Hci [mm] | 10 |
| Øfe [mm] | 460 |
| Ne* Number of holes on Outer Ring | 24 |
| Øfi [mm] | 368 |
| Ni* Number of holes on Inner Ring | 24 |
| RUN-OUT | |
| BE AXIAL RUN-OUT [µm] | 40 |
| BI AXIAL RUN-OUT [µm] | 40 |
| BE RADIAL RUN-OUT [µm] | 60 |
| BI RADIAL RUN-OUT [µm] | 60 |
| MAXIMUM STARTING TORQUE (UNLOADED) [Nm] | 45 |
| MAXIMUM ALLOWABLE ROTATION SPEED [rpm] | 85 |
The 48-0414-00 Precision slewing bearings mainly consist of high-precision inner and outer rings (usually ground), rolling elements (steel balls or cylindrical rollers), a cage, sealing devices, and mounting holes. Some models integrate a preload adjustment mechanism, and the rolling elements and raceways employ a negative or zero clearance design to ensure backlash-free rotation.
Precision slewing bearings possess extremely high rotational accuracy (up to P4 grade or higher), excellent axial, radial, and overturning rigidity, and low and uniform frictional torque, enabling smooth, vibration-free precision rotational motion. They feature thin-walled or lightweight designs to meet compact space requirements and offer a long service life.
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