NU 1016 ECM/HC5C3 Bore 80 Mm, Hybrid Ceramic Cylindrical Roller Bearings, Single Row
The NU 1016 ECM/HC5C3 Hybrid ceramic cylindrical roller bearings are widely used in high-speed, high-precision applications with the risk of shaft current, such as: high-speed electric spindles, machine tool spindles (machining centers, grinding machines), variable frequency motors, turbochargers, semiconductor equipment, and precision rotating mechanisms in aerospace.
The NU 1016 ECM/HC5C3 bearing is a Hybrid ceramic cylindrical roller bearings, single row with an inner diameter of 80 mm , an outer diameter of 125 mm, a width of 22 mm. It typically uses PN grade precision tolerances and GCr15SiMn rings, HC5 = Silicon nitride Si3N4 rolling mlement. Its dynamic radial rated load is approximately 100923 N, its static radial rated load is approximately 133289 N. It uses C3 standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
NU 1016 ECM/HC5C3 bearings ( 80 mm x 125 mm x 22 mm) have the advantages of Ceramic rolling elements achieve high speed, low heat generation, insulation and anti-electrolytic corrosion, while also possessing high radial load capacity and high rigidity, and are therefore widely used in the Machine tool electric spindles, high-speed motors, precision rolling mills, railway traction motors, and industrial robots.
| Part Number | NU 1016 ECM/HC5C3 |
| Interchangeable | SKF NU 1016 ECM/HC5C3 |
| Cage | M = Machined brass cage, roller centred |
| Bearing Type | Hybrid ceramic cylindrical roller bearings, single row |
| Load | radial |
| Accuracy class | PN |
| Coating | NO |
| Bearing part | Complete |
| Internal design | EC = Optimized internal design incorporating more and/or larger rollers and with modified roller end / flange contact |
| Design | NU |
| Internal clearance | C3 |
| Row NO. | One |
| Heat stabilized | 150 °C (300 °F) |
| Seal | Open |
| Number of ring | outer ring(2), inner ring(0) |
| Units | Metric |
| Manufacturer Part Code | NU1016ECM/HC5C3 |
| Series | NU 10 sereis (NU 10..ECM/HC5C3) |
| Lubrication | NO |
| Locating feature | NO |
| Relubrication feature | NO |
| Loose flange | NO |
| Weight [lb] | 1.9400 |
| Cr Radial Dynamic [lbf] | 22687 |
| C0r Radial Static [lbf] | 29963 |
| Pu Fatigue load limit [lbf] | 3845 |
| nB Speed ratings (grease) [rpm] | 5969 |
| nG Speed ratings (oil) [rpm] | 5965 |
| d φ Inside [inch] | 3.1496 |
| D Φ Outside [inch] | 4.9213 |
| B Thickness [inch] | 0.8661 |
| F [inch] | 3.602 |
| r1,2 min Chamfer [inch] | 0.0433 |
| r3,4 min Chamfer [inch] | 0.0394 |
| D1 [inch] | 4.2913 |
| s max. Permissible axial displacement [inch] | 0.1299 |
| rb max Radius of fillet [inch] | 0.0394 |
| ra max Radius of fillet [inch] | 0.0394 |
| db min [inch] | 3.7008 |
| da min [inch] | 3.3858 |
| Da max [inch] | 4.685 |
| da max [inch] | 3.543 |
| kr Coefficient | 0.1 |
| Axial displacement capability | In both directions |
The NU 1016 ECM/HC5C3 Hybrid ceramic cylindrical roller bearings are primarily composed of high-precision bearing steel inner and outer rings, silicon nitride ceramic cylindrical rollers, and a cage (solid brass or outer ring guided type). The rollers and raceways are logarithmically modified, allowing for separability of the inner and outer rings, with precision grades ranging from P4 to P2.
The ceramic rollers in hybrid ceramic cylindrical roller bearings have low density and high elastic modulus, significantly reducing centrifugal force and increasing limiting speed by over 30%. The electrical insulation properties of the ceramic material effectively prevent electrolytic corrosion, making them suitable for applications with shaft current. They also feature a low coefficient of thermal expansion, low temperature rise, good thermal stability, low coefficient of friction, extended bearing life, and strong corrosion resistance.
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