NRXT9016E Bore 90 Mm, Open Crossed Roller Bearings (thin-cross Section Bearings)
The NRXT9016E 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 NRXT9016E bearing is a Open Crossed roller bearings (thin-cross section bearings) with an inner diameter of 90 mm , an outer diameter of 130 mm, a width of 16 mm. It typically uses ISO Class 5; Class Normal grade precision tolerances and 50Mn,42CrMo rings, GCr15 rolling mlement. It primarily bears radial, thrust and moment, Its dynamic radial rated load is approximately 31000 N, its static radial rated load is approximately 46000 N. It uses C8: Negative clearance; C1: Positive clearance standard radial clearance, E = Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
NRXT9016E bearings ( 90 mm x 130 mm x 16 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 | NRXT9016E |
| Bearing Type | Open Crossed roller bearings (thin-cross section bearings) |
| Seal Symbol | E = Open |
| Bore Type | Cylindrical |
| Manufacturer Part Code | NRXT 9016E |
| Series | NRXT series (NRXT..E) |
| Rolling Element Type | cylindrical rollers |
| Lubrication | E = Lubrication holes |
| Accuracy class | ISO Class 5; Class Normal |
| Rolling Element Material | GCr15 |
| Inner/Outer Ring Material | 50Mn,42CrMo |
| Design | NRXT (one inner ring, a two-part outer ring, cylindrical rollers, and separators) |
| Temperature - T(min) [°C] | -30 |
| Temperature - T(max) [°C] | 120 |
| Interchangeable | NSK NRXT9016E |
| Cr Radial Dynamic [lbf] | 6968 |
| C0r Radial Static [lbf] | 10340 |
| d φ Inside [inch] | 3.543 |
| D Φ Outside [inch] | 5.118 |
| T Thickness [inch] | 0.630 |
| B Width [inch] | 0.630 |
| r min Chamfer [inch] | 0.039 |
| dOH Oil Holes [inch] | 0.098 |
| ra max Fillet Radius [inch] | 0.039 |
| m Weight [kg] | 0.74 |
| Internal Clearance | C8: Negative clearance; C1: Positive clearance |
| C8 | min: -10 µm , max: 0 µm |
| C1 | min: 10 µm , max: 30 µm |
| da min Abutment Dimensions [inch] | 4.016 |
| da max Abutment Dimensions [inch] | 4.094 |
| Da min Abutment Dimensions [inch] | 4.567 |
| Da max Abutment Dimensions [inch] | 4.646 |
| Similar Model | NRXT9016E C1 P6 , NRXT9016E C1 P5 NRXT9016E C8 P5 , NRXT9016E C1 P4 NRXT9016E C8 P4 , NRXT9016E C1 P2 NRXT9016E C8 P2 |
The NRXT9016E 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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