NUP2307  ECP Cylindrical Roller Bearings by SKF
NUP2307  ECP Cylindrical Roller Bearings by SKF

SKF

Cylindrical Roller Bearings SKF NUP2307 ECP

Technical data
 
Inner diameter
35 mm
Outer diameter
80 mm
Width
31 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
Fixed bearing
Temperature range
-30 to +120 °C
Version
Explorer
Weight
0,76 kg
Scale quantity Your discount Unit price
10 4,72 € 89,91 €
20 9,46 € 85,17 €
94,63 €
exkl. MwSt, zzgl. Versandkosten

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Cylindrical Roller Bearings SKF NUP2307 ECP
In Stock

Cylindrical Roller Bearings SKF NUP2307 ECP

The SKF NUP2307 ECP single-row cylindrical roller bearing (35x80x31 mm) is designed as a fixed bearing to accommodate high radial loads and axial forces in both directions.

The SKF NUP2307 ECP cylindrical roller bearing combines a compact design with a high radial load capacity. With dimensions of a 35 mm bore, 80 mm outside diameter and 31 mm width, this single-row roller bearing is ideal for use in demanding industrial drives. As part of the SKF Explorer series, the bearing features an optimised internal design, whilst the integrated polyamide cage guides the cylindrical rollers with precision. The open bearing is designed for a temperature range of -30 to +120 degrees and can be flexibly integrated into existing lubrication systems.

What is the NUP2307 ECP cylindrical roller bearing suitable for as a fixed bearing?

This rolling bearing is used in applications involving combined loads, where the shaft is subjected to both high radial forces and alternating axial forces. Two fixed flanges on the outer ring and one fixed flange with a loose flange disc on the inner ring enable the shaft to be fixed axially at both ends. As a result, the bearing performs a reliable fixed-end function in shaft systems where precise axial positioning is required.

What are the advantages of the ECP polyamide cage and the tolerance classes?

The suffix ECP denotes a polyamide cage combined with an optimised internal design. This cage is characterised by its low weight, dampens running noise and ensures smooth operation. With dimensional accuracy to tolerance class P0 (ABEC 1) and improved running accuracy to P6 (ABEC 3), the component enables precise shaft guidance. It is important to note the open design without a seal, as well as the permissible temperature range of between -30 and +120 degrees.

What are the dimensions of the NUP2307 ECP cylindrical roller bearing?

The main dimensions are a bore diameter of 35 mm, an outside diameter of 80 mm and a width across flats of 31 mm. It is a single-row roller bearing with standard radial clearance. The outer ring has no ring groove and no lubrication bore, so the lubricant is supplied via the open design.

What does the NUP design designation mean for this cylindrical roller bearing?

This design features a fixed bearing capable of withstanding radial loads and axial forces in both directions. The outer ring has two fixed guide flanges, whilst the inner ring has one fixed flange and one loose flange disc. The design guides the shaft axially in both directions and transfers radial forces via the cylindrical rollers.

What makes SKF’s ECP design stand out?

The ECP design combines an optimised internal structure with a lightweight polyamide cage and forms part of the SKF Explorer range. The cage guides the rolling elements in a low-noise and vibration-damping manner. This design is rated for operating temperatures ranging from -30 to +120 degrees in continuous industrial operation.

How is the NUP2307 open cylindrical roller bearing lubricated?

As this is an open bearing without integrated seals, lubrication is provided by the surrounding structure. You can use either grease or lubricating oil, depending on the application. Ensure that the installation environment is clean and that external seals are fitted to the machine housing to prevent dirt particles or moisture from entering the roller bearing.

What is the significance of tolerance classes P0 and P6 for installation?

The combination of dimensional accuracy to standard class P0 (ABEC 1) and increased running accuracy to class P6 (ABEC 3) allows for standardised bearing seats whilst improving concentricity. This ensures precise guidance of the bearing-mounted components and uniform concentricity during operation.

What is the standard radial clearance for this bearing?

Normal radial bearing clearance refers to the radial clearance specified by the manufacturer in the unloaded initial state prior to installation. This bearing clearance is designed for standard fits and typical operating temperatures, ensuring that the correct operating clearance for the cylindrical rollers remains after assembly.

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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