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Single Row Cylindrical Roller Bearings With Inner Ring NJ 217 ECML
Single Row Cylindrical Roller Bearings With Inner Ring NJ 217 ECML

Single Row Cylindrical Roller Bearings With Inner Ring NJ 217 ECML

The NJ 217 ECML is a single-row cylindrical roller bearing with an 85mm bore and 150mm outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 42750 lbf and runs smoothly at speeds up to 8000 RPM.

Its brass cage ensures durability, while the open design allows easy lubrication with grease or oil. The bearing operates well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like gearboxes or industrial machinery where radial and axial loads are present.

Weighing 2.13kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NJ 217 ECML
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.018mm to 0
  • Width 28 mm
  • Width Tolerance -0.20mm to 0
  • Shoulder Dia Of Inner Ring 107 mm
  • Chamfer Dimension r1,2(min.) 2 mm
  • Chamfer Dimension r3,4(min.) 2 mm
  • Permissible Axial Displacement(max.) 1.5 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Single Row
  • Inner Ring Type With Inner Ring
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Brass cage, inner or outer ring centred
  • Dynamic Radial Load 42750 lbf
  • Static Radial Load 45000 lbf
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 8000 rpm
  • Weight 2.13 kg
  • Shoulder Dia Of Outer Ring 131.05 mm
  • Raceway Diameter Of Inner Ring 100.5 mm

Features

Performance Features of NJ 217 ECML Bearing

NJ 217 ECML Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 42,750 lbf, ensuring reliable performance in demanding conditions.
The brass cage keeps the rollers aligned, reducing wear and extending service life.
With a maximum speed of 8,000 rpm, it balances durability and efficiency.

Application

Industrial Uses of NJ 217 ECML Bearing
NJ 217 ECML Bearing is commonly used in heavy machinery like industrial gearboxes and large electric motors, where its cylindrical roller design handles high radial loads efficiently. The brass cage ensures smooth operation even at high speeds up to 8000 rpm.

In automotive applications, NJ 217 ECML Bearing fits well in truck transmissions and axle systems, thanks to its combined load capacity. The chrome steel construction provides durability under demanding road conditions.

For automation equipment, NJ 217 ECML Bearing’s precise tolerances make it suitable for robotic arms and conveyor systems. Its open design allows for easy lubrication, extending service life in continuous operation.

Where Is NJ 217 ECML Bearing Used?
You’ll often find NJ 217 ECML Bearing in wind turbine gearboxes, where its high dynamic radial load capacity handles fluctuating forces. The metric sizing ensures compatibility with European-designed renewable energy systems.

In paper mill machinery, NJ 217 ECML Bearing’s resistance to axial displacement prevents misalignment in roller systems. The -30° to 110°C temperature range suits both hot press sections and cooling zones.

Built for Heavy-Duty Use: NJ 217 ECML Bearing
NJ 217 ECML Bearing excels in mining equipment like crushers, where its 45000 lbf static load rating withstands extreme pressures. The 150mm outer diameter provides stable support for rotating shafts.

For marine applications, NJ 217 ECML Bearing’s grease lubrication option prevents corrosion in saltwater environments. Its 28mm width offers space-efficient installation on propeller shafts.

Light-Duty vs Heavy-Duty: Best Uses for NJ 217 ECML Bearing
In light-duty scenarios like electric fans, NJ 217 ECML Bearing’s 8000 rpm limit ensures quiet operation. For heavy-duty presses, its brass cage maintains stability under impact loads.

The bearing’s 85mm bore suits mid-sized industrial pumps, while its 2.13kg weight balances strength and portability. Chrome steel rollers provide consistent performance across both applications.

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