CRBC 08013 WW C8 PD2 Bore 80 Mm, High Rigidity Type (CRBC) Crossed Roller Bearings, Sealed Type
The CRBC 08013 WW C8 PD2 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 CRBC 08013 WW C8 PD2 bearing is a High rigidity type (CRBC) crossed roller bearings, sealed type with an inner diameter of 80 mm , an outer diameter of 110 mm, a width of 13 mm. It typically uses PD2 grade precision tolerances and 50Mn,42CrMo rings, GCr15 rolling mlement. It primarily bears radial, thrust and moment, Its dynamic radial rated load is approximately 22800 N, its static radial rated load is approximately 34200 N. It uses C8: Negative clearance standard radial clearance, WW: Double sides Sealed type type, NBR (Nitrile Butadiene Rubber). together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
CRBC 08013 WW C8 PD2 bearings ( 80 mm x 110 mm x 13 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 | CRBC 08013 WW C8 PD2 |
| Bearing Type | High rigidity type (CRBC) crossed roller bearings, sealed type |
| Mounting Holes | Without mounting holes |
| Design | High rigidity (an inner ring and an outer ring), both inner and outer ring rotation |
| Rolling Element Type | Cylindrical Rollers |
| Rows NO. | One |
| Manufacturer Part Code | CRBC08013WWC8PD2 |
| Load | radial, thrust and moment |
| Seal symbol | WW: Double sides Sealed type |
| Seal Material | NBR (Nitrile Butadiene Rubber) |
| Accuracy class | PD2 |
| Temperature - T(min) [°C] | -30 |
| Temperature - T(max) [°C] | 120 |
| Interchangeable | HIWIN CRBC 08013 WW C8 PD2 |
| Inner/Outer Ring Material | 50Mn,42CrMo |
| Rolling Element Material | GCr15 |
| Axial internal clearance | C8: Negative clearance |
| C8 [µm] | -10 (min), 0 (max) |
| d φ Inside [mm] | 80 |
| D Φ Outside [mm] | 110 |
| T,B Width [mm] | 13 |
| dOH Oil Holes [mm] | 2 |
| Cr Radial Dynamic [N] | 22800 |
| C0r Radial Static [N] | 34200 |
| Mounting dimensions - da [mm] | 87 |
| Mounting dimensions - Da [mm] | 102 |
| Mounting dimensions - Du [mm] | 104.2 |
| Ca max Fillet Radius [mm] | 0.6 |
The CRBC 08013 WW C8 PD2 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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