NU226-E-XL-MCA-C3 Cylindrical Roller Bearings With (MCA) Brass Cage
The NU226-E-XL-MCA-C3 Single-row cylindrical roller bearings are widely used for radial support in various rotating machinery, such as: motors (large and medium-sized motor rotors), gearboxes (industrial gearboxes), machine tool spindles, compressors, pumps, and wind turbine spindles.
The NU226-E-XL-MCA-C3 bearing is a Single row cylindrical roller bearings with cage with an inner diameter of 130 mm , an outer diameter of 230 mm, a width of 40 mm. It typically uses P6 grade precision tolerances and GCr15SiMn rings, GCr15SiMn rolling mlement. Its dynamic radial rated load is approximately 424946 N, its static radial rated load is approximately 444778 N. It uses C3 standard radial clearance, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
NU226-E-XL-MCA-C3 bearings ( 130 mm x 230 mm x 40 mm) have the advantages of High radial load capacity and high speed performance, and are therefore widely used in the Electric motors, machine tool spindles, gearboxes, rolling mills, railway vehicle axle boxes, and industrial pumps and compressors.
| Part Number | NU226-E-XL-MCA-C3 |
| Bearing Type | Single row cylindrical roller bearings with cage |
| Rows NO. | 1 |
| Series | NU2..-E-XL-MCA |
| X-Life | XL long life design |
| Type | NU |
| Running accuracy | P6 |
| Bore Type | Z = Cylindrical Bore |
| Cage type | MCA = Brass cage, one-piece, outer ring centred |
| Ring type | outer ring(2), inner ring(0)(smooth) |
| Radial internal clearances | C3 |
| Design Type | E = Increased Capacity Design |
| Manufacturer Part Code | NU226-E-MCA-C3 |
| Alias | non-locating bearing |
| Cr Radial Dynamic[lbf] | 95527 |
| C0r Radial static[lbf] | 99986 |
| Cur Radial Fatigue[lbf] | 12569 |
| nG Limiting speed[rpm] | 5194 |
| nB Reference speed[rpm] | 2773 |
| Bearing Mass - m[lb] | 15.653 |
| Dimensions | |
| d φ Inside[inch] | 5.118 |
| D Φ Outside[inch] | 9.055 |
| B Width[inch] | 1.575 |
| s[inch] | 0.047 |
| E[inch] | 8.248 |
| F[inch] | 6.142 |
| D1[inch] | 7.921 |
| r(min.)[inch] | 0.118 |
| r1(min.)[inch] | 0.118 |
| Mounting dimensions | |
| da(max.)[inch] | 5.945 |
| da(min.)[inch] | 5.669 |
| db(min.)[inch] | 6.220 |
| Da(max.)[inch] | 8.504 |
| ra(max.)[inch] | 0.098 |
| ra1(max.)[inch] | 0.098 |
The NU226-E-XL-MCA-C3 Single-row cylindrical roller bearings mainly consist of an inner ring, an outer ring, cylindrical rollers, and a cage. Common structural forms include NU type (double-flange outer ring, no flange on inner ring), N type (double-flange inner ring, no flange on outer ring), and NJ type (single-flange inner ring), enabling separable design and axial displacement compensation.
Single-row cylindrical roller bearings have extremely high radial load capacity. The rollers and raceways have line contact, making them suitable for heavy-duty applications. They have a low coefficient of friction, making them suitable for high-speed operation. The separable structure facilitates easy installation and disassembly. NU and N types allow axial displacement and can be used as floating end bearings to effectively compensate for thermal expansion.
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