NUP308  ECP Cylindrical Roller Bearings by SKF
NUP308  ECP Cylindrical Roller Bearings by SKF

SKF

Cylindrical Roller Bearings SKF NUP308 ECP

Technical data
 
Inner diameter
40 mm
Outer diameter
90 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
Fixed bearing
Temperature range
-30 to +120 °C
Version
Explorer
Weight
0,682 kg
Scale quantity Your discount Unit price
15 3,82 € 72,60 €
30 7,64 € 68,78 €
76,42 €
exkl. MwSt, zzgl. Versandkosten

74 ready to ship

Cylindrical Roller Bearings SKF NUP308 ECP
In Stock

Cylindrical Roller Bearings SKF NUP308 ECP

The SKF NUP308 ECP cylindrical roller bearing, with dimensions of 40x90x23 mm, offers high radial load-carrying capacity and provides axial support to the shaft on both sides.

This single-row NUP308 ECP cylindrical roller bearing from SKF, in the Explorer design, features an optimised internal design for demanding industrial applications. With a bore of 40 mm, an outside diameter of 90 mm and a width of 23 mm, the bearing can accommodate high radial loads. As an open design without an integrated seal, it can be flexibly integrated into existing lubrication systems using lubricating oil or rolling-element bearing grease.

What functions does the NUP308 ECP cylindrical roller bearing perform as a fixed bearing?

This design is primarily used for mounting in applications where high radial loads occur and the shaft needs to be axially fixed at the same time. Thanks to the NUP design, the component functions as a fixed bearing: two fixed flanges on the outer ring and a fixed flange with a loose flange disc on the inner ring enable the transmission of axial guidance forces in both directions. The roller bearing is suitable for demanding shaft mountings with axial guidance on both sides.

What are the characteristics of the version with a polyamide cage?

The integrated polyamide cage (suffix ECP) is characterised by low friction and reduced weight, which promotes smooth running. The rolling bearing is designed for a temperature range of –30 to +120 degrees and has standard radial clearance. In terms of manufacture, this model combines dimensional accuracy of class P0/PN or ABEC 1 with enhanced running accuracy to P6 or ABEC 3 to minimise runout deviations.

What makes the NUP308 ECP cylindrical roller bearing stand out?

This single-row fixed bearing has a 40 mm bore, an outer diameter of 90 mm and a width of 23 mm. It has two fixed flanges on the outer ring and one fixed flange and one loose flange disc on the inner ring. This enables it to withstand high radial loads and guide the shaft in both axial directions.

What is the function of the polyamide cage in the NUP308 ECP?

The polyamide cage guides the cylindrical rollers with low frictional resistance and reduces the weight of the rotating mass. This ensures smooth guidance of the rolling elements within the permissible temperature range of -30 to +120 degrees.

How does the NUP design differ from NU or NJ?

Whilst an NU bearing acts purely as a non-locating bearing and does not support any axial forces, the NJ design supports axial forces in one direction. The NUP version features an additional flange on the inner ring and acts as a true locating bearing that supports axial forces in both directions.

What are the tolerance classes for this cylindrical roller bearing?

The dimensional accuracy complies with standard class P0 or ABEC 1. In terms of running accuracy, the bearing meets the tighter tolerance class P6 or ABEC 3, which contributes to the smooth concentricity of the shaft.

Why is the cylindrical roller bearing designed as an open type?

Open roller bearings do not have integrated sealing washers. This design allows lubricants to circulate freely within the unit and is suitable for housing designs featuring application-specific external sealing systems.

What is the clearance in the NUP308 ECP cylindrical roller bearing?

The bearing has standard radial clearance in accordance with the standard specification. This design covers the usual fit combinations and operating temperatures without the need for increased operating clearance.

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

10003556
Product added to compare.
Product added to wishlist

Reset Password

New Account Register