Product Description

 Double row cylindrical roller bearings have a low cross section, high load carrying capacity and high stiffness. Therefore they are mainly used in machine tools, rolling mill stands, plastic calenders, grinding mills and also large gearboxes. 



1.Products:                                                                                                   

Type Code:        NN-Double row cylindrical roller bearings(inner ribs form) 

Series Code:        ****0 Series 

Inner Code:        Inner codex5=Bearing bore diameter 

Bore the form of Code:        No mark-cylinder inside the hole; K-Taper taper 1:*2 

Cage Class:        No mark-Copper alloycage; TN-Resin cage 

Precision Code:        P*-ISO5 level; P*-ISO4 level;P*-ISO2 level; SP-The size ISO5,rotation than ISO5 level; UP-The size ISO4,rotation than ISO4 level; 

Radial Clearance Letter:        No mark-Standard clearance,C1,C*-Special clearance of less than standard clearance 

Hole Code:        No mark-No hole; W**-The outer ring with the standard tank and the hole 



2. Detail Type: 



Cylindrical hole        Tapered bore 

NN***5        NN***5K 

NN***5TN        NN***5KTN 

NN***6        NN***6K 

NN***6TN        NN***6KTN 

NN***7        NN***7K 

NN***7TN        NN***7KTN 

NN***8        NN***8K 

NN***8TN        NN***8KTN 

NN***9        NN***9K 

NN***9TN        NN***9KTN 

NN***0        NN***0K 

NN***0TN        NN***0KTN 

NN***1        NN***1K 

NN***1TN        NN***1KTN 

NN***2        NN***2K 

NN***2TN        NN***2KTN 

NN***3        NN***3K 

NN***3TN        NN***3KTN 

NN***4        NN***4K 

NN***4TN        NN***4KTN 

NN***5        NN***5K 

NN***5TN        NN***5KTN 

NN***6        NN***6K 

NN***6TN        NN***6KTN 

NN***7        NN***7K 

NN***7TN        NN***7KTN 

NN***8        NN***8K 

NN***8TN        NN***8KTN 

NN***9        NN***9K 

NN***9TN        NN***9KTN 

NN***0        NN***0K 

NN***0TN        NN***0KTN 

NN***1        NN***1K 

NN***1TN        NN***1KTN 

NN***2        NN***2K 

NN***2TN        NN***2KTN 

NN***4        NN***4K 

NN***4TN        NN***4KTN 



* Please visit homepage for more information of Inch Deep Groove bearings, Ball Bearings, Roller Bearings, Precision Bearings, Automobile Bearings, Special Bearings, Precision Steel Tube.