Thrust ball bearing is a kind of separated bearing. Shaft ring and seat ring can be separated from components of cage and steel ball. The shaft ring is a ring matched with the shaft, the seat ring is a ring matched with the bearing seat hole, and there is a gap between the shaft and the ring. Thrust ball bearings can not receive radial load and limit speed is low.
推力球軸承用途（Thrust ball bearings）
推力球軸承只適用于承受一面軸向負荷、轉速較低的機件上，只適用于承受一面軸向負荷、轉速較低的機件上，例如起重機吊鉤、立時水泵、立時離心機、千斤頂、低速減速器等。
Thrust ball bearings are only suitable for the parts bearing one side of axial load and low speed. They are only suitable for the parts bearing one side of axial load and low speed, such as crane hook, instant water pump, instant centrifuge, jack, low speed reducer, etc.
根據其結構形式可以分為單向推力球和雙向推力球軸承。
According to its structural form, it can be divided into unidirectional thrust ball and two-way thrust ball bearing.
單向推力球軸承（single direction thrust ball bearing）
單向推力球軸承的組成由一個軸圈、一個軸承座圈、以及一個球與保持架推力組件所組成。軸承為可分離結構，所以安裝簡單，因為墊圈和球與保持架組件可以分開安裝。
The unidirectional thrust ball bearing consists of a shaft ring, a bearing seat ring, and a thrust component of a ball and cage. Bearings are separable structure, so installation is simple, because washers and ball and cage components can be installed separately.
小型單向推力球軸承有兩種，分別為帶平面座圈或帶調心座圈。帶調心座圈的軸承可與調心座墊圈配合使用，以補償軸承座內的支撐表面與軸之間的角度對中誤差。
There are two kinds of small single direction thrust ball bearings, one is a plane seat ring or the other is a center adjusting seat ring. Bearings with self-aligning seat rings can be used in conjunction with self-aligning seat washers to compensate for the angular alignment error between the support surface and the shaft in the bearing seat.
雙向推力球軸承（Bidirectional thrust ball bearing）
雙向推力球軸承的組成由座雙向推力球軸承包括一個軸圈、二個座圈和二個鋼球-保持架組件三部分構成。軸承是分離型的，各零件皆可以獨立安裝。與軸配合的稱軸圈，可以承受兩個方向的軸向負荷，可雙向固定機軸。這類軸承絕不能承受任何交車徑向負荷。推力球軸承還有帶座墊的結構，由于座墊的安裝面呈球面形，故軸承具有調心性能，可以減少安裝誤差的影響。
The two-way thrust ball bearing is composed of three parts: a shaft ring, two seat rings and two steel ball-cage assemblies. Bearings are separable and all parts can be installed independently. The shaft ring matched with the shaft can bear axial load in two directions, and can fix the axle in two ways. Such bearings must not withstand any radial load. Thrust ball bearings also have a cushioned structure. Because the mounting surface of the cushion is spherical, the thrust ball bearings have alignment performance, which can reduce the impact of installation errors.
雙向軸承與單向軸承是使用相同的軸圈、座圈和鋼球-保持架組件。
Two way bearings and one way bearings are made of the same shaft ring, seat ring and steel ball cage assembly.
推力軸承的安裝注意事項（Precautions for installation of thrust bearings）：
平面推力軸承在裝配體中主要承受軸向載荷，其應用廣泛。平面推力軸承在裝配體中主要承受軸向載荷，其應用廣泛。雖然推力軸承安裝操作比較簡單，雖然推力軸承安裝操作比較簡單，但實際維修時仍常有錯誤發(fā)生，即軸承的緊環(huán)和松環(huán)安裝位置不正確，發(fā)生，即軸承的緊環(huán)和松環(huán)安裝位置不正確，結果使軸承失去作用，軸頸很快地被磨損。緊環(huán)內圈與軸頸為過渡配合，去作用，軸頸很快地被磨損。緊環(huán)內圈與軸頸為過渡配合當軸轉動時帶動緊環(huán)，并與靜止件端面發(fā)生摩擦，當軸轉動時帶動緊環(huán)，并與靜止件端面發(fā)生摩擦，在受到軸向作用力（Fx）時將出現(xiàn)摩擦力矩大于內徑配合阻力矩，向作用力（Fx）時，將出現(xiàn)摩擦力矩大于內徑配合阻力矩，導（Fx）致緊環(huán)與軸配合面|強制轉動，加劇軸頸磨損。
The thrust bearing of plane is mainly applied to the axial load of assembly, and it is widely used. The thrust bearing of plane is mainly applied to the axial load of assembly, and it is widely used. Although the installation and operation of thrust bearings are relatively simple, although the installation and operation of thrust bearings are relatively simple, errors often occur in actual maintenance, that is, the installation position of the tightening ring and loosening ring of bearings is incorrect, that is, the installation position of the tightening ring and loosening ring of bearings is incorrect, as a result, the bearings lose their function and the journal is quickly worn out. . The inner ring of the tight ring and the axle neck are used for transition, and the journal is worn quickly. The inner ring of the tightening ring and the journal are in transitional coordination. When the axis rotates, it drives the tightening ring and rubs against the end face of the stationary part. When the axis rotates, it drives the tightening ring and rubs against the end face of the stationary part. When it is subjected to the axial force (Fx), the friction moment will be greater than the internal diameter fit resistance moment. When the axial force (Fx) is applied, the friction force will appear. The moment is greater than the resistance moment of the inner diameter fit, and the Fx compact ring and the axis fit surface rotate forcibly, which aggravates the Journal wear.
所以推力軸承安裝時應注意以下幾點（Therefore, attention should be paid to the following points when installing thrust bearings.）。
(1)分清軸承的緊環(huán)和松環(huán)(根據軸承內徑大小判斷，孔徑相分清軸承的緊環(huán)和松環(huán)O.1——O.5mm)。差O.1——O.5mm)。
(1) Distinguish the tight ring and the loose ring of the bearing (according to the size of the bearing inner diameter, the aperture phase distinguishes the tight ring and the loose ring O.1-O.5mm). Poor O.1 - O.5mm).
(2)分清機構的靜止件(即不發(fā)生運動的部件，主要是指裝配分清機構的靜止件體)。
(2) The stationary parts of the separating mechanism (i.e. the parts that do not move, mainly refer to the stationary parts of the assembling and separating mechanism).
(3)無論什么情況，軸承的松環(huán)始終應靠在靜止件的端面上。
(3) in any case, the loose ring of the bearing should always depend on the end part of the stationary part.
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