NUP212  ECP Cylindrical Roller Bearings by SKF
NUP212  ECP Cylindrical Roller Bearings by SKF

SKF

Cylindrical Roller Bearings SKF NUP212 ECP

Technical data
 
Inner diameter
60 mm
Outer diameter
110 mm
Width
22 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
0,856 kg
Scale quantity Your discount Unit price
15 5,08 € 96,63 €
30 10,16 € 91,55 €
101,71 €
inkl. MwSt, zzgl. Versandkosten

120 ready to ship

Cylindrical Roller Bearings SKF NUP212 ECP
In Stock

Cylindrical Roller Bearings SKF NUP212 ECP

The SKF NUP212 ECP cylindrical roller bearing is a single-row fixed bearing with a 60 mm bore, designed for high radial loads and axial guidance in both directions.

The SKF NUP212 ECP single-row cylindrical roller bearing, when used as a fixed bearing, withstands high radial forces and guides shafts in both axial directions. As part of the SKF Explorer class with an optimised internal design, this rolling bearing is designed for demanding industrial applications. With dimensions of a 60 mm bore, 110 mm outer diameter and 22 mm width, this open cylindrical roller bearing fits into standardised bearing housings.

What is the NUP212 ECP cylindrical roller bearing suitable for as a fixed bearing?

Designs of the NUP type are suitable for shaft supports that, in addition to primary radial forces, also perform axial guidance functions in both directions. The rolling bearing is used in drive and gearbox applications requiring a fixed bearing. The open bearing requires an external supply of oil or grease via the housing, as the outer ring has no groove or lubrication bore. When properly lubricated, the bearing can operate at temperatures ranging from –30 to +120 degrees Celsius.

What characteristics do the polyamide cage and ECP design offer in terms of design?

The ECP designation stands for an optimised internal design in combination with a polyamide cage. This cage reduces the weight compared with solid metal cages and contributes to smooth running characteristics and low noise levels. Together with dimensional accuracy to tolerance class P0 (ABEC 1) and increased running accuracy to P6 (ABEC 3), the standard radial bearing clearance ensures stable operation with standard fits. When designing the system, please note the permissible temperature range of the cage, which is up to +120 degrees Celsius.

What is the function of the NUP design in the NUP212 ECP cylindrical roller bearing?

NUP-type bearings are used as fixed bearings for the axial guidance of shafts on both sides. They feature two fixed flanges on the outer ring and one fixed flange and one loose flange disc on the inner ring. This enables the bearing arrangement to accommodate not only high radial forces but also alternating axial loads in both directions.

What are the dimensions of the NUP212 ECP cylindrical roller bearing?

The bearing has an inside diameter of 60 mm, an outside diameter of 110 mm and a width of 22 mm. These dimensions correspond to the standardised main dimensions for single-row cylindrical roller bearings of this size and allow for a precise fit in standardised housing bores and on corresponding shaft seats.

What does the ‘ECP’ designation mean for this SKF bearing?

The suffix ‘ECP’ denotes an optimised internal design in the SKF Explorer series, featuring a tailored roller guide and a polyamide cage. The polyamide cage guides the rolling elements with low friction, reduces the bearing’s weight and contributes to quiet operation.

What is the permissible temperature range for the NUP212 ECP cylindrical roller bearing?

The permissible operating temperature range is between -30 and +120 degrees Celsius. This range is largely determined by the polyamide cage. In applications within this temperature range, the cage material retains its dimensional stability, provided that a suitable industrial lubricating oil or rolling-element bearing grease is used for lubrication.

What are the lubrication requirements for an open cylindrical roller bearing?

As an open roller bearing, this design has neither integrated sealing washers nor cover plates. Furthermore, as the outer ring is manufactured without a groove or lubrication bore, lubricant is supplied directly into the bearing cavity or via the surrounding housing structure. An external seal on the housing protects the interior of the bearing from the ingress of dirt.

What tolerance classes apply to the NUP212 ECP cylindrical roller bearing?

The bearing combines dimensional accuracy to Class P0 (equivalent to ABEC 1) with finer running accuracy to Class P6 (equivalent to ABEC 3). As a result, the bearing combines standard tolerances for mounting dimensions with higher concentricity, which reduces vibrations during operation and promotes uniform contact between the cylindrical rollers.

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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