To retain certain clearances single bearings that are used in pairs have to be matched accordingly.为了维持定然的间隙，必需婚配呼应的是成对于使用的单个轴承。 For that reason single row angular contact ball bearings of the series 72 and 73 featuring contact angles of 40deg are available in a variant for use as a single bearing (suffix B) and in a universal matched variant to be used in pairs or sets (suffix BG).出于某个原因，作为一度繁多的轴承（后缀B）使用的一度变种，并以一种通用的婚配变种系列72，并设有73 40deg的接触须的单行角接触球轴承成对于或者成套（后缀使用BG）。
Single row angular contact ball bearings have a very limited ability to accommodate misalignments.单行角接触球轴承有一度无比无限的威力，以顺应平衡。 Therefore any operating misalignments applied to this bearing type creates additional forces subsequently reducing their service life and, additionally, generates higher running noise levels.因而这种轴承类型平衡创举更多的部队，随即缩小其使用寿数，于是，发生更高的运转乐音程度。
Where individual single row angular contact bearings or pairs of bearings are arranged Face to Face, up to 2 angular minutes misalignment from the centre position does not normally affect the bearings negatively.凡是单个列角接触球轴承或者轴承对于陈列面对于面，同比增加2角没有对于秒钟从主干地位一般没有会轴承发生反面反应。
However, when arranged in pairs Back to Back or Tandem or as Sets, spindle bearings must not run misaligned.但是，成对于陈列时前往或者并联，或者将其安装为，主光轴轴承，没有得运转对于齐。
Cages 笼
The NKE single row angular contact ball bearings, with normal tolerance class are fitted with Pressed Steel cages as standard.作为标准冲压钢维持架的NKE的单行角接触球轴承与畸形的差役头衔，都装备。 Large types and sizes have machined Solid Brass cages (Suffix M) fitted as standard.大类型和范围的加工液体黄铜维持架（后缀M）作为标准装备。
Bearings used in Higher Precision or Machine in Tool Spindle applications are normally fitted with either Phenolic Resin (suffix TPA) or machined Solid Brass cages (suffix M).在更高的精密度，或者在刀具主光轴中的利用机使用的轴承一般采纳要么电木树脂（后缀TPA）的，或者加工液体黄铜维持架（后缀M）。
Some special applications have machined Solid Steel cages (suffix F) or Light Metal Alloy cages (suffix L) fitted as standard.一些特别的利用加工液体钢维持架（后缀F）或者轻非金属合金笼（后缀L）作为标准装备。
Internal Clearnace 外部Clearnace
The axial play of angular contact ball bearings is achieved by adjusting one bearing against another.是经过调动人拥护另一度轴承角接触球轴承的轴向间隙。 NKE single row angular contact ball bearings in universal design, with normal bearing mounting fits, are matched in pairs eFace" or "Back to Back" to give a small axial play. NKE的通用设计的单行角接触球轴承与畸形轴承装置适宜，在对于婚配任“面对于面ither "Face to ”或者“面对面”给一度小的轴向间隙。
The "normal" fits are: “畸形”千篇一概是：
Shaftfits: j5轴适
合：J5 Housing fits: J6屋宇适宜：J6
Special clearances 特别答应
NKE also produce upon request paired single row angular contact ball bearings to customers requirements and specifications. NKE还出具要求配对于单行角接触球轴承存户的要求和规范。
Bearing pairs (see drawing below)轴承双（见图纸上面）
Single row angular contact ball bearings in universal design, (suffix BG) and spindle bearings are frequently used in pairs or sets.单行角接触球轴承通用设计（后缀为BG）和主光轴轴承时常成对于或者成套使用。 (see arrangements sketch below) （见上文调度写生）
Tandem Arrangement并联安排
Single row angular contact ball bearings in a tandem arrangement are used when the actual thrust force exceeds the thrust load capacity of a single angular contact ball bearing.单行角接触球轴承在并联安排时所使用的实践推力超越一度繁多的角接触球轴承推力载荷威力。 These该署
thrust forces are accommodated in one direction only and are distributed equally to both bearings.寓居在只要一度位置的推力，并均匀调配给两个轴承。
Single row angular contact ball bearings in tandem arrangement must always be adjusted against another bearing inversely arranged for shaft guidance in the opposite direction.单行角接触球轴承并联安排必需一直另深沟轴承一度轴承对于轴的指点成正比调度在不同的位置调动。
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