NNU4164 W33 Double row Cylindrical roller bearing High precision
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Model:NNU4164/K/HC/W33 Structure:Double row Cylindrical roller Type:Roller Bearing Inside Diameter:320mm Outside Diameter:540 MM Thickness:218mm Brand Name:OEM&ZQM Bore Size:200KG Material:GCr15GCr15SiMnetc Precision Rating:P4 P5 P6 P0 Seals Ty
Cylindrical roller bearing is a kind of radial rolling bearing whose rolling body is cylindrical roller.
Feature:
Roller and roller path are line contact. Mainly sustain radial load. It is suitable for sustaining heavy load and impacting load.
Small fictional factor, very suitable for high speed revolution. Its tripping speed is closed to the deep groove ball bearing's.
N type and NU type can do axial movement. It can adapt the relative position change of axle and shell caused by thermal expansion and install deviation. Also it used in free end bearing.
This kind of bearing actually call for the processing of the axle and block bore.
The inner ring and outer ring can be separated, which is convenient for installing and taking down.
Cage: Usually use stamping steel cage or copper alloy car system cage. Sometimes, use PA forming cage.
Application:
Widely used in Large and medium size motor, auto vehicle, machine tool, internal-combustion engine, generator, reducer casing, rolling mill, vibrating screen and hoisting transport machinery.
Single row Cylindrical roller bearing: N, NU, NJ, NF, NUP, NFP, NH
Double row Cylindrical roller bearing: NN, NNU, NNF
Four row Cylindrical roller bearing: FC, FCD
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