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NU 311 ECM/HC5C3
Price $ 800.00
Number
| Part Number | NU 311 ECM/HC5C3 |
| System of Measurement | Metric |
| Bearing Type | Ball |
| For Load Direction | Radial |
| Construction | Single Row |
| Inner Ring Type | Standard |
| Seal Type | Open |
| Bore Dia | 55 mm |
| Outer Dia | 120 mm |
| Width | 29 mm |
| Ring Material | Chrome Steel |
| Balls Material | Si3n4 |
| Dynamic Radial Load | 31024 lbf |
| Static Radial Load | 32148 lbf |
| Max Speed (X1000 rpm) | 9 |
| Lubrication | Required |
| Shaft Mount Type | Press Fit |
| Temperature Range | -86 to 230 °F |
| Radial Clearance Trade No | MC3 （Available in MC1/2/4/5/6) |
| Reference Speed | 5600 r/min |
| Calculation Factor | 0.15 |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 1.15 kg |
| Chamfer Dimension (r1 2)(min) | 2 mm |
| Fatigue Load Limit (Pu) | 16 kN |
| Abutment Diameter Shaft (da)(min) | 66 mm |
| Abutment Diameter Shaft (da)(max) | 68 mm |
| Abutment Diameter Housing (Da)(max) | 109 mm |
| Fillet Radius (ra)(max) | 2 mm |
| Shoulder Diameter Outer Ring (D1) | 101 mm |
| Raceway Diameter Inner Ring (F) | 70.5 mm |
| Permissible Axial Displacement(s)(max) | 2 mm |
| Chamfer Dimension (r3,4)(min) | 2 mm |
| Abutment Diameter Shaft (db)(min) | 73 mm |
| Fillet Radius (rb)(max) | 2 mm |
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Design Features of NU 311 ECM/HC5C3 Bearing
NU 311 ECM/HC5C3 Bearing blends the robustness of steel with the superior properties of ceramic. NU 311 ECM/HC5C3 bore dia is 55 mm. Its out dia is 120 mm. NU 311 ECM/HC5C3 width is 29 mm. The inner ring and the outer ring are typically made of high-grade bearing steel. Its rollers are made of ceramic materials, most commonly silicon nitride (Si3N4). Ceramic rollers are lighter and harder than their steel counterparts.
What Benefits Can NU 311 ECM/HC5C3 Bearing Provide?
- High-Speed Capability: Ceramic rollers enable higher operational speeds with reduced centrifugal force.
- Wear Resistance: The hardness of ceramics extends bearing life by minimizing wear.
- Thermal Stability: Better temperature regulation due to lower thermal expansion of ceramic materials.
- Reduced Friction: Smoother ceramic surfaces lower friction, enhancing efficiency and reducing heat generation.
- Electrical Insulation: Non-conductive ceramics prevent electrical erosion in bearings.
- Corrosion Resistance: Suitable for chemically aggressive environments.
What Can NU 311 ECM/HC5C3 Bearing Be Used for?
NU 311 ECM/HC5C3 Bearing is ideal for applications requiring high performance under demanding conditions, such as:
- High-Speed Machinery: Perfect for machine tools and spindles due to its high-speed capability.
- Electric Motors and Generators: Its electrical insulation properties protect against electrical erosion.
- Aerospace Industry: Used for its reliability and thermal stability in varying conditions.
- Medical Equipment: Essential in high-precision devices like MRI and CT scanners for its low interference and high-speed operation.
- Automotive Industry: Suitable for high-performance and electric vehicles, offering efficiency and durability.
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