NJ213  ECP Cylindrical Roller Bearings by SKF
NJ213  ECP Cylindrical Roller Bearings by SKF

SKF

Cylindrical Roller Bearings SKF NJ213 ECP

Technical data
 
Inner diameter
65 mm
Outer diameter
120 mm
Width
23 mm
Roller rows
Single row bearing
Seal
None, open bearing
Cage
Polyamide cage
Clearance
Normal radial clearance
Running accuracy
Dimensional accuracy P0/PN or ABEC 1, running accuracy P6 or ABEC 3
Current insulation
No current insulation
Bore
Cylindrical bore
Outer ring
Without groove/lubrication holes
Version2
Improved interior construction
Design
Support bearing (axial displacement), inner ring removable on one side
Temperature range
-30 to +120 °C
Version
Explorer
Weight
1,06 kg
Scale quantity Your discount Unit price
15 4,08 € 77,52 €
30 8,16 € 73,44 €
81,60 €
exkl. MwSt, zzgl. Versandkosten

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Cylindrical Roller Bearings SKF NJ213 ECP
In Stock

Cylindrical Roller Bearings SKF NJ213 ECP

The SKF NJ213 ECP cylindrical roller bearing, measuring 65x120x23 mm, offers high radial load capacity and single-sided axial guidance when used as a support bearing.

The SKF NJ213 ECP cylindrical roller bearing is a single-row radial roller bearing designed for demanding industrial applications. With an inside diameter of 65 mm, an outside diameter of 120 mm and a width of 23 mm, this bearing can accommodate high radial forces. In the Explorer version, the bearing features an optimised internal design that reduces friction and enhances running performance during operation.

What is the NJ213 ECP design suitable for in operation?

As a support bearing, this NJ version guides the shaft in an axial direction, whilst compensating for changes in length in the opposite direction via axial displacement. The inner ring is removable from one side, which facilitates the separate assembly of the inner and outer rings. Typical applications include bearing arrangements where high radial forces are combined with targeted single-sided axial guidance.

What are the advantages of the polyamide cage and the NJ design?

The integrated polyamide cage (suffix ECP) is characterised by its low weight and smooth running. A temperature range of -30 to +120 degrees is permissible for operation. As an open bearing without an integrated seal, protection against contamination is provided by the housing environment on the application side. With standard radial bearing clearance, dimensional accuracy to P0/ABEC 1 and increased running accuracy to P6/ABEC 3, this rolling bearing meets precise industrial requirements.

What are the key features of the NJ213 ECP cylindrical roller bearing design?

The NJ design has two fixed flanges on the outer ring and one fixed flange on the inner ring. This enables the bearing to accommodate not only high radial loads but also axial forces in one direction, and to function as a support bearing. The inner ring can be removed from one side.

What are the dimensions of the NJ213 ECP cylindrical roller bearing?

The bearing has a bore of 65 mm, an outside diameter of 120 mm and a width of 23 mm. The outer ring is designed without a lubrication groove or lubrication bore.

What does the suffix ECP stand for?

At SKF, the suffix ‘ECP’ indicates an optimised internal design and a polyamide cage. This cage material reduces the weight of the bearing and promotes smooth running during operation.

What are the bearing clearance and tolerance class?

The bearing has standard radial clearance (CN). The dimensional accuracy complies with tolerance class P0 (standard tolerance or ABEC 1), whilst the running accuracy is manufactured to the higher class P6 (ABEC 3) to ensure precise concentricity.

What is the operating temperature range of the NJ213 ECP cylindrical roller bearing?

This bearing is approved for an operating temperature range of -30 to +120 degrees. The upper temperature limit is determined by the material of the polyamide cage and the resistance of the lubricant used.

Does the NJ213 ECP cylindrical roller bearing need to be sealed separately?

Yes, this is an open bearing without integrated sealing washers. To prevent the ingress of dirt and moisture and to keep the lubricant within the bearing chamber, an external seal is required in the housing design.

SKF Group
Sven Wingquists Gata 2, 415 50 Gothenburg, Sweden
info@skf.com, https://www.skf.com/uk/footer/site-ownership

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