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Because of the design and position of the cage of high-capacity cylindrical roller bearings in the NCF .. ECJB and NJF .. ECJA series, the cage cannot prevent the rollers from falling out when the inner and outer rings of the bearing are separated. SKF recommends mounting these high-capacity cylindrical roller bearings as a complete bearing, like full complement cylindrical roller bearings.
Where it is necessary to mount the inner and outer rings separately, use a mounting sleeve (fig. 1) or a retaining strap (fig. 2) to keep the rollers in place.
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