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SKF Roller Bearing 55 mm Inside Diameter, 120 mm Outside Diameter, 29 mm Race Width, Steel Rollers NJ 311 ECJ/C3

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SKF Roller Bearing 55 mm Inside Diameter, 120 mm Outside Diameter, 29 mm Race Width, Steel Rollers NJ 311 ECJ/C3

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Category Roller Bearing Brand SKF Condition New

Specifications

Country of Origin	Germany
Brand	SKF
Model	NJ 311 ECJ/C3
Series	NJ
Outside diameter	120mm
Roller Material	Steel
Inside Diameter	55mm
Bearing Material	Steel
Number of Rows	1
Limiting Speed	7000rpm
Bore Type	Tappered
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RS Stock No.	207-8688 Brand: [SKF](https://in.rsdelivers.com/brands/skf)Manufacturers Part No.: NJ 311 ECJ/C3
Race Width	29mm
Static Load Rating	143kN
Dynamic Load Rating	156kN

Key Features

Metric measurement system with 55 mm inside diameter and 120 mm outside diameter.
Race width of 29 mm suitable for high-load conditions.
Steel roller and bearing materials provide durability and strength.
Single row tapered roller bearing designed for precise radial and axial load handling.
Limiting speed of 7000 rpm for high-speed machinery.
Static load rating of 143 kN and dynamic load rating of 156 kN ensuring high capacity.
Manufactured in Germany assuring high quality standards.
No specific industry standards or certifications listed.

Product Description

The SKF NJ 311 ECJ/C3 roller bearing is a high-quality tapered roller bearing designed for demanding industrial and mechanical applications.

This bearing features a metric system design with a 55 mm inside diameter (bore), a 120 mm outside diameter, and a race width of 29 mm. It uses steel rollers and bearing material to provide resistance to wear and extend service life in high-load environments.

With a limiting speed of 7000 rpm, this single-row tapered roller bearing is well-suited for high-speed rotating machinery, providing both radial and axial load support. The nominal contact angle of 0 degrees ensures precise load distribution.

This bearing is produced by SKF in Germany, a mark of trustworthy manufacturing excellence. Although it does not list adherence to specific standards or approvals, it is engineered for heavy-duty industrial use across manufacturing, mechanical, industrial machinery, and conveyor equipment.

Its static load rating of 143 kN and dynamic load rating of 156 kN offer robust capacity to handle heavy operational loads, while the tapered bore type facilitates mounting and alignment in assemblies.

Metric measurement system with 55 mm inside diameter and 120 mm outside diameter. Race width of 29 mm suitable for heavy-duty applications. Steel roller and bearing materials ensure durability. Single row tapered roller bearing with 0° nominal contact angle.

Limiting speed of 7000 rpm for efficient performance. Static load rating of 143 kN supports high static loads. Dynamic load rating of 156 kN supports operational loads. Manufactured in Germany under SKF brand quality. Ideal for industrial, mechanical, manufacturing, and conveyor use.

Compatible with assemblies requiring tapered bore design. This SKF NJ 311 ECJ/C3 bearing is suitable for replacement or original equipment in various mechanical spares and industrial tools applications. Explore more SKF Roller Bearings and mechanical components on EnvMart for comprehensive industrial solutions.