Type: Self-aligning double-row ball bearings, economy 13 series. Two rows of balls in cylindrical raceways, oscillating spherical outer raceway.
Economy quality: Commercial tolerances, standard GCR15 steel, moderate quality control, increased radial clearance class CN.
Self-alignment: The spherical raceway allows oscillation of up to 2-3° for slight misalignment compensation, with acceptable performance for non-critical applications.
Load capacity: Medium radial capacity, adequate for moderate loads in non-critical industrial applications.
Speed: Medium speeds (up to 8,000 rpm), suitable for moderate continuous rotation with periodic lubrication.
Protection: Available open without protection. Sealing optional only if a specific environment requires it.
Lubrication: Scheduled periodic grease lubrication. The absence of protection requires regular maintenance.
Specifications: Medium radial capacity, limited self-alignment, medium speeds, commercial tolerances, standard CN clearance, temperature -30°C to +80°C.
Applications: Agricultural machinery, light industrial systems, economy fans, non-critical pumps where cost is important.
Benefits: Reduced cost, acceptable quality, sufficient self-alignment for light applications.