double row cylindrical roller bearing nnf5006 of original

NNF5006 bearing        

Brief description of full complement cylindrical roller bearing

Cylindrical roller bearing is a separable bearing and convenient to mount and dismount. It is generally divided into the single-row and full complements cylindrical roller bearings, both of which can satisfy a wide range of applications. The single-row cylindrical roller bearing with a cage can accommodate heavy radial load and be used under high rotational speed while the full complements cylindrical roller bearing is very suitable for exceedingly heavy radial load and middle-speed rotation. It is designed for the purpose of accommodating heavy loads. Under the same width, it has higher load capability compared with the traditional one with a retainer. The relatively small radial section helps it save room but the rotary speed is low. The bearing must withstand a minimum load, namely C/P<25. Otherwise, the abrasion will be aggravated due to lack of lubricant and high rotary speed. There is a groove and a film for lubrication on the outer rings of all the multi-row cylindrical roller bearings.

Roller plays a role of vital importance in the cylindrical roller bearing. Its geometric structure can distribute the force in the most reasonable way while sustaining the loads. Its surface can optimize the formation of the oil film and the rolling of the rollers.

Types of full complement cylindrical roller bearing

1. Single-row cylindrical roller bearing including NU, NJ, NUP, N and NF

2. Double-row cylindrical roller bearing such as NNU, NN, etc.

3. Four-row cylindrical roller bearing

Application of full complement cylindrical roller bearing

It is widely used in the large and medium-size motor, locomotive, spindle, internal combustion engine, generator, gas turbine, reducer, rolling mill, vibrating screen and lifting transportation machinery, etc.

Advantages of full complement cylindrical roller bearing

1. High precision and long life

2. Low noise and low vibration

3. Cutting-edge technology

4. Easy to install and disassemble

5. Small friction coefficient and suitable for high speed