1.启动力矩startingtorque
The torque required to make a bearing ring or washer begin to rotate relative to another fixed ring or washer.
2.旋转力矩runningtorque
When a bearing ring or washer rotates, the moment required to stop the movement of another ring or washer.
3.径向负荷radialload
The load acting in the direction perpendicular to the axis of the bearing.
4.轴向负荷axialload
Acts on the load parallel to the axis of the bearing.
5.静负荷staticload
The load acting on the bearing when the relative rotation speed of the bearing ring or washer is zero (centripetal or thrust bearing) or when the rolling elements are not moving in the rolling direction (linear bearing).
6.动负荷dynamicload
The load acting on the bearing when the bearing rings or washers rotate relative to each other (centripetal or thrust bearings) or when the rolling elements move in the rolling direction (linear bearings).
7.当量负荷equivalentload
A general term used to calculate the theoretical load. On a specific occasion, the bearing is subjected to the actual load under the theoretical load.
8.径向（轴向）基本额定静负荷basicstaticradial(axial)loadrating
The radial static load (center axial static load) corresponding to the total permanent deformation of the rolling elements and raceways. If under zero load, the roller and raceway (roller bearing) are or assumed to be normal busbar (full-line contact), under the maximum contact stress, the total permanent deformation produced by the contact between the rolling element and the raceway is the rolling element 0.0001 times the diameter. For single row angular contact bearings, the radial load rating is the radial component of the load that causes a pure radial displacement of the bearing rings relative to each other.
9.径向（轴向）基本额定动负荷basicdynamicradial(axial)loadrating
Constant radial load (constant central axial load), under which the rolling bearing can theoretically withstand a basic rating life of 1 million revolutions. For single row angular contact bearings, the radial load rating is the component of the load that causes pure radial displacement of the bearing rings relative to each other.
10.寿命（指一套轴承的）life
The number of revolutions of a ferrule or a washer or a rolling element of a bearing before the first fatigue expansion of the material of a ferrule or a washer relative to another ferrule or a washer. Life can also be expressed in hours of operation at a given constant speed.
11.可靠性（指轴承寿命的）reliability
The percentage of a group of nearly identical rolling bearings operating under the same conditions that are expected to reach or exceed a certain specified life. The reliability of a set of bearings is the probability that the bearing will reach or exceed the specified life.
12.额定寿命ratinglife
The predicted value of the life based on the radial basic dynamic load rating or the axial basic dynamic load rating.
13.基本额定寿命basicratinglife
Rated life associated with 90% reliability.
14.寿命系数lifefactor
In order to obtain the basic rated radial dynamic load or the basic rated axial dynamic load corresponding to the given rated life, the correction factor for the equivalent dynamic load is applicable.
15.带座轴承plummerblock
A component in which a radial bearing and a seat are combined, and a base plate for mounting screws is provided on a supporting surface parallel to the axis of the bearing.
16.立式座plummerblockhousing
Install rolling bearing seat.
17.凸缘座flangedhousing
A seat with a radial flange and a screw hole for installation on the supporting surface perpendicular to the bearing axis.
18.紧定套adaptersleeve
An axially open sleeve with a cylindrical inner hole has a conical outer surface and an outer thread on the small end. It is used to install a bearing with a tapered hole (using a lock nut and a lock washer) on a shaft with a cylindrical outer surface.
19.退卸套withdrawalsleeve
A sleeve with a cylindrical inner hole with axial opening has a conical outer surface and an outer thread on the large end. Used to install or remove a bearing with a tapered hole on a shaft with a cylindrical outer surface (with a nut).
20.锁紧螺母locknut
For a screw nut with a cylindrical outer surface and an axial groove, use an outer claw of the lock washer and an annular wrench to lock the nut. Used for axial positioning of rolling bearings.
21.锁紧垫圈lockwasher
Sheet steel washer with many outer jaws. An outer claw is used to lock the nut, and an inner claw is inserted into the axial groove of the adapter sleeve or the shaft.
22.偏心套eccentriclockingcollar
One end has a groove steel ring eccentric relative to the inner hole, which is installed on the equal eccentric elongated end of the inner ring of the outer spherical bearing. Rotate the eccentric sleeve relative to the inner ring to secure the inner ring, and then tighten the top wire to secure it to the shaft.
23.同心套concentriclockingcollar
The steel ring installed on the wide inner ring of the outer spherical bearing has the top wire screwed into the hole on the inner ring and contacts the shaft.
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