Rolling of some commonly used terms and their definitions, the main bearing remarks, radial bearings, thrust bearings, ball bearings, roller bearings:
(A) Rolling remarks:
1 bearing: the bearing load and the parts relative to each other intercropping rolling motion of the bearing, which includes raceway parts and with or without isolation or rolling the guide member groups can be used to bear radial, axial or diameter and axial joint load;
2 single row bearings: With a rolling element bearing;
3 double row bearings: a two rolling element bearings;
4 multi-row bearings: having more than two rolling elements bear the same direction as the load bearing, it is best that the number of columns and bearing type, for example: "four radial cylindrical roller bearings";
5 full complement roller bearings: bearings without cage, each row rolling elements circumferential gap between the sum is less than the diameter of the rolling element and as small as possible, so that the bearing has good performance;
6 angular contact bearings: nominal contact angle greater than 0 ° and less than 90 ° bearing;
7-aligning bearings: a raceway is spherical in shape, able to adapt to two raceways angular misalignment between the axis line and angular movement of the bearing;
8 separable bearings: bearings with separable parts;
9 inseparable bearings: In the final assembly, the bearing rings are not arbitrarily separated from rolling freely;
Note: For the different parts of the bearing isolated, for example, double half-ring (02,01,08) further provides that the bearings are abbreviated terminology;
10 inch bearings: The original design dimensions and tolerances expressed in imperial units of rolling bearings;
11 open type bearings: No dust cover and seal bearing;
12 Seal bearings: one or both sides with a ring of bearing;
13 Shielded bearings:
One or both sides with a dust cover bearing.
14 closed type bearings: with one or two seals, one or two dust cover and a seal and a dust cover bearing;
15 I lubricated bearings: bearing lubricant manufacturer has been filled;
16 - Instrument precision bearings: Rolling dedicated instrument;
17 Group with bearings: make a pair or a group of rolling bearings.
(B) radial bearings:
1 radial bearings: mainly used to bear radial load bearing, its nominal contact angle of 0 ° to 45 ° between the basic components of the inner ring, outer ring, and with or without cage rolling;
2 radial contact bearings: nominal contact angle of 0 ° bearing to the heart;
3 angular contact radial bearings: nominal contact angle greater than 0 ° to 45 ° bearing to the heart;
4 spherical bearings: spherical and wide inner ring with locking bearing to the heart, mainly for the simple shell;
5 tapered bore bearings: inner ring with tapered bore bearing to the heart.
6 flange bearings: a ferrule in its generally conical outer ring or outer radial flange on the outer ring of the bearing to the heart.
7 rollers (rolling) bearings: with thick cross-section of the outer ring bearing to the heart, as the wheels rolling on the rails, such as cam track.
8 ring type track rollers (rolling) bearings: with a pair of flat ring of the wheel bearing.
    9 Universal group with bearings: choose one or more sets the same bearing to the heart when used together, can get to be installed in pairs or groups on the required properties.
(C) Thrust bearings:
1 Thrust bearings: mainly used for axial load bearing, its nominal contact angle greater than 45 ° to 90, the basic parts shaft ring, seat ring and cage with or without rolling elements;
2 axial contact bearings: nominal contact angle of 90 ° thrust bearing;
3 angular contact thrust bearings: nominal contact angle greater than 45 ° but less than 90 ° thrust bearing;
4 Thrust bearings: only in one direction axial load thrust bearing;
5 Thrust Bearings: axial load in both directions thrust bearing;
6 Double Row Thrust Bearings: There are two bi-directional thrust bearing rolling elements, each column in only one direction axial load;
7 straight (Sports) bearings: two raceways in the rolling direction relative linear motion bearing.
(D) Ball bearings:
1 ball bearings: ball bearings rolling body is;
2 radial ball bearings: rolling a ball bearing to the heart;
3 deep groove ball bearings: Each ring has a cross-section of about one third of the circumference of the ball type raceway continuous groove radial ball bearings;
4 slot loading ball bearings: ball bearings in each ring groove type of filling slot on a wall in order to filling more balls;
5 locking ball bearings: outer remove all or part of a wall of the groove type ball bearings;
6 three-point contact ball bearings: single row angular contact ball bearings when subjected to pure radial load, each of the load ball with a channel with two-point contact, and a little touch with another channel. Subjected to pure axial load, each ball is in contact with only one point for each channel;
7 four-point contact ball bearings: single row angular contact ball bearings, when subjected to pure radial load, each of the load each ball with two-channel two-point contact, but by the pure axial load, each only a little contacts;
8 Thrust ball bearings: rolling a ball thrust bearing;
9 single row thrust ball bearings: contact angle greater than 45 °, four-point contact ball bearings;
10 double-way thrust ball bearings: a pair of concentric raceway volleyball and bear the same direction load thrust ball bearings.
(E) roller bearings:
1 roller bearings: rolling element is a roller bearing;
2 Radial roller bearings: rolling element is a roller bearing to the heart;
3 Cylindrical roller bearings: rolling body is cylindrical roller bearing to the heart;
4 tapered roller bearings: rolling body is tapered roller bearing to the heart;
5 Needle roller bearings: rolling body is a needle roller bearing to the heart;
6 Needle roller bearings: Thin steel stamping (tensile) outer radial needle roller bearings, closed at one end or both ends open, often used without inner ring;
7 (convex) spherical roller bearings: rolling body is convex spherical roller bearing to the heart;
8 concave roller bearings: rolling body is concave roller bearing to the heart;
9 Spherical roller bearings: rolling body is convex or concave spherical roller bearing tone heart to heart with crown spherical roller bearings, the outer ring has a spherical raceway, concave roller bearings, the inner ring there is a spherical-shaped raceway;
10 Crossed Roller Bearings: There is an angular contact roller bearings, roller adjacent cross into a cross configuration, so that half of the roller (every few second roller) to withstand axial load in one direction, while the opposite direction axial load to bear the other half of the roller;
11 thrust roller bearings: rolling body is a roller thrust bearing;
12 Thrust cylindrical roller bearings: rolling body is cylindrical roller thrust bearing;
13 Thrust tapered roller bearings: rolling body is tapered roller thrust bearing;
14 thrust needle roller bearings: rolling body is a needle roller thrust bearing;
15 Thrust spherical roller bearings: rolling body is convex or concave spherical roller thrust bearings have convex spherical roller bearing ring raceway is spherical shape, a concave spherical roller bearings, shaft ring raceway for the spherical shape.


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