Cylindrical roller bearing small friction coefficient, easy installation and disassembly - bearing knowledge
by:Waxing2020-06-20
A, rolling body is a centripetal roller bearing cylindrical roller.
The internal structure of cylindrical roller bearing by roller are arranged in parallel, with intervals between roller device or the isolation piece, can prevent roller friction between tilt or roller, effectively prevent the rotation torque increases.
Product parameters: the old model: 42505 eh thickness: 18 precision grade: P0 purpose: engineering machinery types: roller roller samples or spot: spot roller number of columns: single use features: high speed cage and its material: N bearing material: brass entities bearing steel cover gasket: no seal, cylindrical roller bearing features: 1.
Roller and raceway for the line contact or offline contact, radial bearing capacity big, apply to under heavy load and impact load.
2.
Friction coefficient is small, suitable for high speed limit speed close to deep groove ball bearings.
3.
N and NU type axial movement, can adapt to shaft caused by thermal expansion or installation error and shell the change of relative position, can be used for free end bearing.
4.
On the shaft or hole of the processing and the demand is higher, bearing outer axis relative deflection after installation to be kept under strict control, so as not to cause contact stress concentration.
5.
Inner ring or outer ring separable, easy to install and disassemble, cylindrical roller bearing features: four cylindrical roller and race is line contact, great capacity of radial load.
Applies to carry heavy load and impact load, also suitable for high speed rotation.
Cylindrical roller bearing raceway and rolling body geometry.
After improving design, has high bearing capacity, guard and roller end face of the new structure design, not only can improve the bearing axial bearing capacity, at the same time improve the roller end face and guard contact area of the lubrication conditions, improve the use of bearing performance.
Five, the method of cylindrical roller bearing radial clearance adjustment: commonly used boxes full of cylindrical roller bearing radial clearance adjustment method is as follows: 1, for circular and elliptical bearing clearance can use manual crapping or bearing in faceted padded cutting methods of scratch after adjustment.
2, tip clearance can be used for circular and elliptical bearings crapping by hand or when the situation allows faceted padded method of bearing adjustment.
3, with many oil wedge fixed bearing, in principle is not allowed to repair and adjust bearing clearance, clearance is improper new tile should be replaced.
4, with many oil wedge tilting type bearing, are not allowed to fix the tile, clearance is improper for tile should be changed.
Segment of thickness is adjustable, can be adjusted through behind the tile under the block and stainless steel pads, or thinning amount adjustment method of block thickness tile.
Pay attention to much oil wedge tilting type bearing, group between tile thickness error should be less than 0.
01mm。