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Single Row Cylindrical Roller Bearings With Inner Ring NJ 304 ECP

The NJ 304 ECP is a single-row cylindrical roller bearing with a 20mm bore and 52mm outer diameter, crafted from durable chrome steel. It handles combined loads up to 7988 lbf and reaches speeds of 18000 RPM.

Its open design allows easy lubrication with grease or oil, while the PA66 cage ensures smooth operation. The bearing performs reliably 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 electric motors or gearboxes where combined loads are common.

Weighing just 0.15kg, it’s lightweight yet robust for its size. Compliant with RoHS and REACH standards for safe use.

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Description

Features

Application

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Product Parameters

Part Number NJ 304 ECP
Brand TFL
Interchangeable SKF
Bore Dia 20 mm
Bore Dia Tolerance -0.01mm to 0
Outer Dia 52 mm
Outer Dia Tolerance -0.013mm to 0
Width 15 mm
Width Tolerance -0.12mm to 0
Shoulder Dia Of Inner Ring 31.2 mm
Chamfer Dimension r1,2(min.) 1.1 mm
Chamfer Dimension r3,4(min.) 0.6 mm
Permissible Axial Displacement(max.) 0.9 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 PA66 cage, roller centred
Dynamic Radial Load 7988 lbf
Static Radial Load 5850 lbf
Lubrication Grease, Oil
Temperature Range -30° to 110 °C
RoHS Compliant
REACH Compliant
Max Speed 18000 rpm
Weight 0.15 kg
Shoulder Dia Of Outer Ring 41.85 mm
Raceway Diameter Of Inner Ring 27.5 mm

Single Row Cylindrical Roller Bearings With Inner Ring NJ 304 ECP Drawing.dwg

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Features

Why Choose NJ 304 ECP Bearing for Precision Tasks?

NJ 304 ECP Bearing features a chrome steel construction, offering high resistance to combined loads.
Its dynamic radial load capacity of 7988 lbf ensures reliable performance in demanding applications.
The PA66 cage keeps rollers centred, reducing friction and extending service life.
With a maximum speed of 18,000 rpm, it is suitable for high-speed operations.

Application

Common Applications of NJ 304 ECP Bearing
NJ 304 ECP Bearing is widely used in industrial machinery, especially in gearboxes and electric motors where combined loads are common. Its cylindrical roller design ensures smooth operation even under heavy radial and axial forces.

In automotive applications, NJ 304 ECP Bearing fits well in transmission systems and wheel hubs, thanks to its high-speed capability and durability. The chrome steel construction also resists wear in demanding conditions.

For automation equipment, NJ 304 ECP Bearing provides reliable performance in robotic arms and conveyor belts. The PA66 cage helps reduce friction, making it suitable for continuous operation.

Medical devices like centrifuges benefit from NJ 304 ECP Bearing’s precision and low maintenance needs. Its open design allows for easy lubrication, ensuring long service life.

Household appliances such as washing machines often use NJ 304 ECP Bearing for its quiet operation and efficiency. The metric sizing ensures compatibility with various models.

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