- The rollers in the NN type bearing are guided by the ribs of the inner ring. 
 
                    Unit of Measure
                    
               
        
            Technical Specifications
                                                                                Type | 
                                                                        N/A Cylindrical Roller Bearing | 
                                                                                Bore Type | 
                                                                        N/A Cylindrical | 
                                                                                Material | 
                                                                        N/A Hardened Alloy Steel | 
                                                                                Cage Material | 
                                                                        N/A High Strength, 2 piece, Machined Brass | 
                                                                                Limiting Speed - Oil | 
                                                                        N/A 1800 rpm | 
                                                                                Limiting Speed - Grease | 
                                                                        N/A 1600 rpm | 
                                                                                Precision | 
                                                                        N/A ISO Class 0 | 
                                                                                Configuration | 
                                                                        N/A Two | 
                                                                                Oil Hole | 
                                                                        N/A w/o Oil Hole | 
                                                                                Radial Internal Clearance | 
                                                                        N/A CN | 
                                                                                Static Load Rating | 
                                                                        N/A 465000 lbf2070000 N2070.00 kN | 
                                                                                Dynamic Load Rating | 
                                                                        N/A 202000 lbf900000 N900.00 kN | 
                                                                                Enclosure | 
                                                                        N/A Open | 
                                                                                Operating Temperature Range | 
                                                                        N/A -40 to 250 ºF-40 to 120 ºC | 
