Single Row Cylindrical Roller Bearings With Inner Ring NJ 306 ECJ

The NJ 306 ECJ is a single-row cylindrical roller bearing with a 30mm bore and 72mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 13162 lbf and spins smoothly at speeds up to 12000 RPM.

Its open design allows easy lubrication with grease or oil, while the steel cage ensures stable performance. 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 applications like gearboxes or industrial machinery where combined loads are common.

Weighing just 0.37kg, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

Q&A

Product Parameters

Part Number NJ 306 ECJ
Brand TFL
Interchangeable SKF
Bore Dia 30 mm
Bore Dia Tolerance -0.01mm to 0
Outer Dia 72 mm
Outer Dia Tolerance -0.013mm to 0
Width 19 mm
Width Tolerance -0.12mm to 0
Shoulder Dia Of Inner Ring 45 mm
Chamfer Dimension r1,2(min.) 1.1 mm
Chamfer Dimension r3,4(min.) 1.1 mm
Permissible Axial Displacement(max.) 1.4 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 Steel cage, roller centred
Dynamic Radial Load 13162 lbf
Static Radial Load 10800 lbf
Lubrication Grease, Oil
Temperature Range -30° to 110 °C
RoHS Compliant
REACH Compliant
Max Speed 12000 rpm
Weight 0.37 kg
Shoulder Dia Of Outer Ring 58.35 mm
Raceway Diameter Of Inner Ring 40.5 mm

Single Row Cylindrical Roller Bearings With Inner Ring NJ 306 ECJ dimension drawing

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Features

Why Choose NJ 306 ECJ Bearing for Precision Tasks?

NJ 306 ECJ Bearing features a single-row cylindrical roller design, ideal for handling combined loads with precision.
Its chrome steel construction ensures durability and resistance to wear, even under high radial loads.

The steel cage keeps rollers centred, enhancing stability and reducing friction during operation.
With a maximum speed of 12,000 rpm, it delivers reliable performance in demanding applications.

NJ 306 ECJ Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, extending maintenance intervals.

Application

Industrial Uses of NJ 306 ECJ Bearing
NJ 306 ECJ Bearing is commonly used in industrial machinery like gearboxes and pumps, where its cylindrical roller design handles combined loads efficiently. The chrome steel construction ensures durability even in demanding environments.

What Makes NJ 306 ECJ Bearing a Preferred Choice?
In automotive applications, NJ 306 ECJ Bearing supports components such as transmissions and differentials, offering reliable performance under high speeds. Its metric sizing makes it compatible with a variety of vehicle designs.

Built for Heavy-Duty Use: NJ 306 ECJ Bearing
For automation systems, NJ 306 ECJ Bearing is ideal for robotic arms and conveyor belts, thanks to its high radial load capacity. The open design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where NJ 306 ECJ Bearing Excels
In medical devices like MRI machines, NJ 306 ECJ Bearing provides smooth operation due to its precision engineering. Meanwhile, in industrial settings, it excels in heavy machinery where reliability is key.

Perfect Fit for Automation: NJ 306 ECJ Bearing
NJ 306 ECJ Bearing is a great choice for 3D printers and CNC machines, where its high-speed capability ensures accurate movements. The steel cage design adds stability during prolonged use.