CRBT405AC1 Super Slim Type Crossed Roller Bearings Open Type With Separator
The CRBT405AC1 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 CRBT405AC1 bearing is a Super Slim Type Crossed Roller Bearings Open Type With Separator with an inner diameter of 40 mm , an outer diameter of 51 mm, a width of 5 mm. It typically uses P0 (ISO Class NORMAL / ABEC-1) grade precision tolerances and 50Mn,42CrMo rings, GCr15 rolling mlement. It primarily bears radial, thrust and moment, Its dynamic radial rated load is approximately 2000 N, its static radial rated load is approximately 2520 N. It uses C1 standard radial clearance, No seal (Open) type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
CRBT405AC1 bearings ( 40 mm x 51 mm x 5 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 | CRBT405AC1 |
| Bearing Type | Super Slim Type Crossed Roller Bearings Open Type With Separator |
| Mounting holes | No |
| Type | CRBT..A |
| Seal Type | No seal (Open) |
| Bore Type | Cylindrical |
| Rolling Element Type | cylindrical rollers |
| Oil holes | No |
| Manufacturer Part Code | CRBT 405 A C1 |
| Load | radial, thrust and moment |
| Interchangeable | IKO CRBT405AC1 |
| Units | Metric |
| Rows NO. | One |
| Rolling Element Material | GCr15 |
| Inner/Outer Ring Material | 50Mn,42CrMo |
| Lubrication | ALVANIA EP grease 2 (pre-packed) |
| Accuracy class | P0 (ISO Class NORMAL / ABEC-1) |
| Guidance of cylindrical roller | with separator |
| Temperature - T(min) [°C] | -20 |
| Temperature - T(max) [°C] | 120 |
| Shaft diameter [inch] | 1.575 |
| d φ Inside [inch] | 1.575 |
| D Φ Outside [inch] | 2.008 |
| B Width [inch] | 0.197 |
| r min Chamfer [inch] | 0.006 |
| da Mounting dimensions [inch] | 1.673 |
| Da Mounting dimensions [inch] | 1.850 |
| nB Reference speed (grease) [r/min] | 1648 |
| nG Limiting speed (oil) [r/min] | 3297 |
| Cr Radial Dynamic [lbf] | 449 |
| C0r Radial Static [lbf] | 566 |
| Internal Clearance | C1 |
| Radial internal clearances - C1 | min: 0 µm , max: 15 µm |
| m Bearing Weight [kg] | 0.0265 |
The CRBT405AC1 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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