Double row cylindrical bearings can withstand large radial loads. These bearing types are interchangeable, and their dimensions, under roller diameter (NNU type), and over roller diameter (NN type) all comply with ISO/DIN standards. Users can use inner rings produced by other manufacturers, except for rollers.
Size range: 15mm inner diameter to 2000mm outer diameter
Design Features
Design according to the interchangeable dimensions specified by ISO/DIN.
Sold in the form of a complete set of components.
Single row products are also available within the same size range.
The current design uses NN and NNU naming.
The standard cage design adopts drilled pocket holes and finger shaped brass cages.
Application scenarios
Gear transmission device
Cutting head scissors
Rolling mill
Machine tool