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NTN Megaohm Single Row Cylindrical Roller Bearing 7MC3-NU315EGRB C3

NTN Megaohm Single Row Cylindrical Roller Bearing 7MC3-NU315EGRB C3

The NTN 7MC3-NU315EGRB C3 is a single row cylindrical roller bearing with a 75mm bore and 160mm outer diameter, designed for heavy-duty applications. Its insulating coating on the outer ring prevents electrical arcing, making it ideal for electric motors.

With a dynamic load rating of 240kN and a static load rating of 263kN, it handles high loads efficiently. The brass cage ensures smooth operation at speeds up to 4000 RPM.

The C3 radial clearance allows for thermal expansion, while the insulation coating offers a breakdown voltage of 1000-3000 VDC. This makes it suitable for environments with electrical currents.

Weighing 3.66kg, it’s robust yet manageable for installation. Compliant with RoHS and REACH standards, it’s a reliable choice for industrial and electrical applications.

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Product Parameters

  • Model 7MC3-NU315EGRB C3
  • Product Category Megaohm Single Row Cylindrical Roller Bearing
  • Insulating Coating Types Insulation coating on outer ring
  • Coating Suffix 7MC3
  • Manufacturers NTN
  • Bore Diameter 75.0 mm
  • Outside Diameter 160.0 mm
  • Width 37.0 mm
  • Net Weight 3.66 kg
  • Basic Dynamic Load Rating 240.0kN
  • Basic Static Load Rating 263.0kN
  • Reference Speed 4000 r/min
  • Breakdown Voltage (DC) 1000 VDC to 3000 VDC
  • Layer Thickness 0.2 mm
  • Electrical Resistance > 2,000 MΩ
  • Cage Material M - Brass Cage
  • Radial Internal Clearance C3
  • ROHS Compliant
  • REACH Compliant
NTN Megaohm Single Row Cylindrical Roller Bearing 7MC3-NU315EGRB C3 dimension drawing
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Features

Performance Features of 7MC3-NU315EGRB C3 Bearing

7MC3-NU315EGRB C3 Bearing features an insulating coating on the outer ring, preventing electrical arcing and extending its lifespan.
The brass cage ensures smooth operation and reduces friction, even at high speeds up to 4,000 r/min.

With a basic dynamic load rating of 240.0kN, this bearing handles heavy radial loads with ease.
Its breakdown voltage ranges from 1,000 to 3,000 VDC, making it suitable for electric motor applications.

The C3 radial internal clearance allows for thermal expansion, ensuring reliable performance in varying temperatures.
Weighing just 3.66 kg, it offers a balance of strength and lightweight design.

Application

Industrial Uses of 7MC3-NU315EGRB C3 Bearing
This bearing is commonly used in electric motors and generators, where its insulating coating prevents electrical arcing. The brass cage ensures smooth operation even under high rotational speeds.

Where Is 7MC3-NU315EGRB C3 Bearing Used?
You’ll find 7MC3-NU315EGRB C3 Bearing in wind turbines and industrial pumps, handling heavy radial loads effortlessly. Its C3 clearance allows for thermal expansion in demanding environments.

Built for Heavy-Duty Use: 7MC3-NU315EGRB C3 Bearing
7MC3-NU315EGRB C3 Bearing excels in steel mills and mining equipment, thanks to its high dynamic load rating. The insulation coating also makes it ideal for applications with variable frequencies.

Automotive vs Aerospace: Applications of 7MC3-NU315EGRB C3 Bearing
In automotive systems, 7MC3-NU315EGRB C3 Bearing supports gearboxes and drivetrains, while in aerospace, it’s used in auxiliary power units. The breakdown voltage rating ensures reliability in both fields.

Perfect Fit for Automation: 7MC3-NU315EGRB C3 Bearing
7MC3-NU315EGRB C3 Bearing is a go-to choice for robotic arms and CNC machines, where precision and durability matter. Its brass cage reduces friction, enhancing performance in repetitive tasks.

Q&A

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