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SKF轴承型号代号说明二

已有 665 次阅读2012-6-25 16:18 |个人分类:轴承知识| 球轴承, 型号, SKF轴承

一、单列角接触球轴承

                                                                                                                  
                                补充型号

                                识别SKF单列角接触球轴承某些特性的型号后缀解释如下:
                                A 30°接触角
                                AC 25°接触角
                                B 40°接触角
                                CA
                                任意配对安装的轴承(通用轴承);安装前背对背配对或面对面配对时,轴向内部游隙小于普通组(CB)
                                CB 任意配对安装的轴承(通用轴承);安装前背对背配对或面对面配对时,轴向内部游隙等于普通组
                                CC
                                任意配对安装的轴承(通用轴承);安装前背对背配对或面对面配对时,轴向内部游隙大于普通组(CB)
                                DB 两个轴承背对背配对
                                DF 两个轴承面对面配对
                                DT 两个轴承串联配对
                                E 内部优化设计
                                F 经机械加工窗型铜保持架、滚动体引导
                                G 任意配对安装的轴承(通用轴承);背对背配对或面对面配对时,有轴向内部游隙
                                GA 任意配对安装的轴承;背对背配对或面对面配对时,安装前有较轻的预负荷
                                GB 任意配对安装的轴承;背对背配对或面对面配对时,安装前有中等的预负荷
                                GC 任意配对安装的轴承;背对背配对或面对面配对时,安装前有较重的预负荷
                                J 窗型冲压钢保持架,滚动体引导
                                M 经机械加工窗型铜保持架、滚动体引导,不同设计以一个数字区别,如:M1
                                MB 机加工铜保持架,内圈引导
                                N1 外圈带一个定位槽
                                N2 外圈侧面带两个定位槽,间隔180°配置
                                P 注模玻璃纤维增强尼龙6,6保持架,滚动体引导
                                PH 窗型注模聚醚酮醚(PEEK)保持架,滚动体引导
                                P5 尺寸和运行精度符合ISO公差5级标准
                                P6 尺寸和运行精度符合ISO公差6级标准
                                W64 固体润滑油填充
                                Y 冲压窗型铜保持架,以滚球定心

 

 

 

                              二、双列角接触球轴承

                                                                                                                      


                                补充型号

                                表示SKF双列角接触球轴承某些特性的型号后缀解释如下:
                                 
                                A 无填充槽
                                CB 已调整的轴向内部游隙
                                C2 轴向游隙小于普通组
                                C3 轴向游隙大于普通组
                                D 两剖分内圈
                                E 最大型号的轴承,带填充槽
                                HT51 用于运行温度为摄氏零下30度至零上140度的高温油脂
                                J1 钢板保持架,滚球引导
                                M 机加工铜保持架,滚球引导
                                MA 机加工铜保持架,以外圈引导
                                MT33 用于运行温度为摄氏零下30度至零上120度的含锂增稠剂油脂,NLGI等级3(普通填充量)
                                N 外圈带止动环槽
                                NR 外圈带止动环槽和止动环
                                P5 尺寸精度和运行精度符合ISO公差5级标准
                                P6 尺寸和运行精度符合ISO公差6级标准
                                P62 P6 + C2
                                P63 P6 + C3
                                TN9 玻璃纤维增强尼龙66保持架,滚球引导
                                2RS1 轴承两侧有带加强钢板的丁腈橡胶密封件

                                W64 固态油填充
                                2Z 轴承两侧带冲压钢防尘罩(非摩擦密封件)

                                一些图纸号轴承有型号前缀BA2B,表示这种轴承是双列角接触球轴承。

 

                                三、四点接触球轴承

                                                                                                             
                                补充型号

                                表示SKF四点接触球轴承某些特性的型号后缀解释如下:
                                B20 宽度公差降低
                                C2 轴向内部游隙小于普通级
                                C2H 轴向内部游隙在C2范围的上半部分
                                C2L 轴向内部游隙在C2范围的下半部分
                                C3 轴向内部游隙大于普通级
                                C4 轴向内部游隙大于C3
                                CNL 轴向内部游隙在普通级范围的下半部分
                                FA 机加工钢保持架,以外圈定心
                                MA 机加工铜保持架,以外圈定心
                                N2 大外圈的侧面带两个定位槽,相隔180度
                                PHAS 注模聚醚酮醚(PEEK)窗式保持架,外圈引导,引导表面有润滑槽
                                P6 尺寸精度和运行精度提高,并符合ISO公差级6级(高于普通级)
                                P63 P6 + C3
                                P64 P6 + C4
                                S1 经尺寸稳定化处理,可用于温度高达摄氏200度的轴承圈
                                344524 C2H + CNL



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