CRBC50050 Standard Crossed Roller Bearings With Cage
The CRBC50050 Crossed roller bearings are suitable for high-precision, high-rigidity, and space-constrained rotary applications. Classic applications include industrial robot joints and positioners, CNC machine tool rotary tables and indexing heads, medical CT scanner rotating frames, radar antenna rotation mechanisms, precision measuring instruments, and aerospace simulation rotary tables.
The CRBC50050 bearing is a Standard Crossed Roller Bearings With Cage with an inner diameter of 500 mm , an outer diameter of 625 mm, a width of 50 mm. It typically uses ABEC-1; ABEC-3; ABEC-5; ABEC-7; ABEC-9 grade precision tolerances and 50Mn,42CrMo rings, GCr15 rolling mlement. It primarily bears radial, thrust and moment, Its dynamic radial rated load is approximately 247000 N, its static radial rated load is approximately 561000 N. It uses T1; C1; C2 standard radial clearance, Open type type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
CRBC50050 bearings ( 500 mm x 625 mm x 50 mm) have the advantages of The rollers are arranged in a cross pattern, allowing them to withstand radial, axial, and overturning moments simultaneously. They offer high rigidity and rotational accuracy while compact and space-saving design, and easy installation, and are therefore widely used in the Industrial robots, CNC machine tools, medical equipment, precision measuring instruments and aerospace.
| Part Number | CRBC50050 |
| Bearing Type | Standard Crossed Roller Bearings With Cage |
| Mounting holes | No |
| Type | CRBC |
| Seal Type | Open type |
| Bore Type | Cylindrical |
| Rolling Element Type | cylindrical rollers |
| Oil holes | No |
| Manufacturer Part Code | CRBC 50050 |
| Load | radial, thrust and moment |
| Interchangeable | IKO CRBC50050 |
| Units | Metric |
| Rows NO. | One |
| Rolling Element Material | GCr15 |
| Inner/Outer Ring Material | 50Mn,42CrMo |
| Lubrication | grease |
| Accuracy class | ABEC-1; ABEC-3; ABEC-5; ABEC-7; ABEC-9 |
| Guidance of cylindrical roller | With cage |
| Temperature - T(min) [°C] | -20 |
| Temperature - T(max) [°C] | 120 |
| Shaft diameter [inch] | 19.685 |
| d φ Inside [inch] | 19.685 |
| D Φ Outside [inch] | 24.606 |
| B Width [inch] | 1.969 |
| r min Chamfer [inch] | 0.098 |
| da Mounting dimensions [inch] | 20.905 |
| Da Mounting dimensions [inch] | 23.307 |
| nB Reference speed (grease) [r/min] | 133 |
| nG Limiting speed (oil) [r/min] | 267 |
| Cr Radial Dynamic [lbf] | 55525 |
| C0r Radial Static [lbf] | 126112 |
| Internal Clearance | T1; C1; C2 |
| Radial internal clearances - T1 | min: -30 µm , max: 0 µm |
| Radial internal clearances - C1 | min: 0 µm , max: 40 µm |
| Radial internal clearances - C2 | min: 40 µm , max: 85 µm |
| m Bearing Weight [kg] | 41.7 |
| Similar Model | CRBC 50050 T1 , CRBC 50050 T1 P6 CRBC 50050 T1 P5 , CRBC 50050 T1 P4 CRBC 50050 T1 P2 , CRBC 50050 C1 CRBC 50050 C1 P6 , CRBC 50050 C1 P5 CRBC 50050 C1 P4 , CRBC 50050 C1 P2 CRBC 50050 C2 , CRBC 50050 C2 P6 CRBC 50050 C2 P5 , CRBC 50050 C2 P4 CRBC 50050 C2 P2 |
The CRBC50050 Crossed roller bearings consist of inner and outer rings, cylindrical rollers, spacers, and seals. The rollers are arranged at 90° intervals within a V-shaped raceway, allowing for multi-directional load bearing even in a single row.
Crossed roller bearings can simultaneously withstand radial loads, bidirectional axial loads, and overturning moments. They possess extremely high rigidity and rotational accuracy, and their compact structure saves installation space, simplifying machine tool design.
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