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Specifications
Availability5 pcs
BrandSKF
Item NumberNU238ECF/P63 SKF
CategoryCylindrical Roller Bearing Single Row
Weight and Dimensions
Inner (d) MM
190
Outer (D) MM
340
Width (B) MM
55
Inner (d) Inch
7.4803
Outer (D) Inch
13.3858
Width (B) Inch
2.1654
Weight (kg)
23.1
Product Properties
Bore
C - Cylindrical Bore
Seal
No Seal
Cage Type
F - Machined Steel Cage
External Modification
No External Modification
Radial Internal Play
C3 Internal Play (Higher than Cn)
Precision
P6 Precision (Higher than Standard)
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Suffix description
ECOptimized Internal Design Incorporating More And/Or Larger Rollers And With Modified Roller/End Flange Contact
FMachined Steel Or Special Cast Iron Cage, Rolling Element Centered; Different Designs Or Material Grades Are Identified By A Figure Following The F, e.g. F1
P63Combination Of P6 (Dimensional And Running Accuracy To ISO Tolerance Class 6 (Better Than Normal)) And C3 (Internal Clearance Larger Than Normal)
Product description
The NU238ECF/P63 SKF is a single-row cylindrical roller bearing with cage. This bearing consists of a solid inner and outer ring with cylindrical rollers in a cage. This cage prevents contact between the cylinder rollers, so this bearing type can support higher speeds than full-complement cylinder roller bearings. Also, single-row cylindrical roller bearings with cages are very rigid and they can take high radial forces. As the inner and outer rings of these bearings can be easily disassembled, they are very easy to install. Applications of single-row cylindrical roller bearings include gearboxes, agricultural machinery, pumps, compressors, and electric motors.
The NU238ECF/P63 SKF is a single-row cylindrical bearing with NU design. The outer ring of this bearing has two rigid ribs, while the inner ring has none. As a result, NU bearings are only capable of supporting radial forces. This bearing type is commonly used as a floating bearing. Floating bearings allow axial displacement of the shaft relative to the housing in both directions. This is necessary in applications where the shaft material shrinks or expands due to temperature changes (thermal expansion). NU bearings can also be used as support bearings by combining them with HJ angle rings (available separately). Support bearings can support radial forces and also axial forces in a single direction.
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