Technical Parameters
20 mm 47 mm 14 mm ≈38.44 mm 26.5 mm min.1 mm min.0.6 mm max.1 mm min.24 mm max.25.4 mm min.28 mm max.41.7 mm max.1 mm max.0.6 mm SKF Explorer 28.5 kN 22 kN 2.75 kN 17 000 r/min 19 000 r/min 0.15 0.2 0.6
Dimensions
d Bore diameter D Outside diameter B Width D1 Shoulder diameter of outer ring F Raceway diameter of inner ring r1,2 Chamfer dimension r3,4 Chamfer dimension s Permissible axial displacement 
Abutment dimensions
da Diameter of spacer sleeve da Diameter of spacer sleeve db Diameter of shaft abutment Da Diameter of housing abutment ra Radius of fillet rb Radius of fillet Calculation data
SKF performance class Basic dynamic load rating C Basic static load rating C0 Fatigue load limit Pu Reference speed Limiting speed Minimum load factor kr Limiting value e Calculation factor Y
Tolerances and clearances
General bearing specifications
Tolerances: Normal (metric), P6, Normal (inch)
Radial internal clearance: cylindrical bore, tapered bore
Axial internal clearance: NUP, NJ + HJ
Bearing interfaces
Seat tolerances for standard conditions
Tolerances and resultant fit
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Products Description
Single row cylindrical roller bearings are designed to accommodate high radial loads in combination with high speeds. Having two integral flanges on the outer ring and no flanges on the inner ring, NU design bearings can accommodate axial displacement in both directions. An important feature is the separable design, which facilitates mounting and enables the bearing components to be interchanged.
High radial load carrying capacity
Low friction
Long service life
Accommodate axial displacement in both directions
Separable design
