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Xibei Bearing Co.,Ltd.

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Deep Groove Ball Bearing 61868

產品分類 :

服飾及紡織->配件->包包配件

產品規格

Model No:	61868

Country	CN
Brand	NXZ
Packing	Standard Export Package
Payment Term	L/C,T/T

產品描述

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Deep groove ball bearing


 



Deep groove ball bearings are with the characteristics of simply designed
structures; low friction coefficient and high limit rotational speed. Their
range of application is very wide. They can mainly carry radial load and certain
thrust load. When the radial internal clearance increased, the bearings have the
functions of angular contact ball bearings that a larger thrust load can also be
carried.


Structures


1. Basic type 60000


Applications of this type of bearing can be found in situations where
there are no special requirements for mounting and sealing.


2. With one shield (-Z) on one side or two shields (-2Z) on both
sides.


   The shields are made of steel sheet. Adequate lubricating grease has
been put in the deep groove ball bearings with two shields during assembling
process and there is no need to clean the bearing or add lubricant as mounting.
It is noncontact seal, and compared with deep groove ball bearings with seals,
they have less friction and suitable for applications with high rotational speed
requirement.


3. With one seal(-RS)on one side or two seals(-2RS)on both sides


The seals are made of rubber with steel sheet reinforcement. It is contact
sealing that could seal much better but have high friction and low limit
rotation speed if the seals contact with the outside of the inner ring; while it
is non-contact sealing that has the same limit rotation speed as the basic type.
The lubricant has been prefilled in the bearing with seals both sides, so there
is no need to clean and fill the lubricant as mounting.


With snap ring groove on the outer ring (-N)


   The snap ring can be used to locate the bearing in the axial direction
so that the mounting in the housing is simplified.


Cage material


   Deep groove ball bearings generally use pressed steel cages or solid
cages. Phenol resin cage is suitable for application with high limit rotational
speed.


Permissible Tilt Angle


Deep groove ball bearings permit tilting angle between the inner ring and
outer ring. The details are listed in the Table 1.


Tolerance and Clearance  


The tolerance of deep groove ball bearings is P0 basically. P5, P6, P4 and
P2 are available for different application.


The radial internal clearance of deep groove ball bearing is as Table
3.


Dynamic equivalent radial load


Fr-Radial load (kN)


Fa-Axial load (kN)


X-Radial factor


Y-Axial factor


X and Y values see Table below.


Static equivalent radial load


     P0r=Fr[kN]                  


     P0r=0.6Fr+0.5Fa[kN]        




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