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塑料轴承

塑料轴承  

1.精密塑料轴承
POMPA材料具备良好的机械强度及耐磨性,适合制作比较精密的塑料轴承,其良好的自润滑性能及低的磨擦系数,在保持塑料轴承传统优势的基础上,可应用于精密及较高转速运转。其中POM塑料轴承是所有塑料轴承中应用最为广泛的一种,一般内外球材料采用POMPA,保持架采用玻璃纤维增强的尼龙66GRPA66—25)。滚珠为玻璃球,不锈钢球或陶瓷球,此种轴承碱性环境下表现良好但不适合在酸性腐蚀环境下运行。 

2.耐腐蚀塑料轴承
作为氟塑料中最典型的品种,PTFEPVDF是具有最优良的耐腐蚀性能,其中PTFE更是所有已知工程塑料中耐腐蚀性最好的,可用于所有的浓酸及浓碱场合,包括HF及发烟硫酸硝酸(98%以上)等,且具有良好的高温表现,PTFE证明可用于 180 的高温,PVDF也能用到 150 ,但PTEF材料机械强度极低,且尺寸稳定性较差,温度变形大,相比较而言PVDF具有更佳的综合性能,一般内外圈材料选用PTFEPVDF,保持架材料为PTFEPVDF,滚珠一般为玻璃球或陶瓷球。  

3.抗酸碱塑料轴承
HDPEPPUPE材料已证明能用于相对较弱的酸碱交叉环境(30%Cucl2溶液和30%NaoH溶液测试OK)故适用于大多数酸///溶济//气体及海水腐蚀环境。具备一般塑料轴承之无油自润滑,抗磁电绝缘等性能,但机械强度较低,容易变形,故不适用于较大负荷及较高转速,相比较而言,UPE材料具备更佳的强度,低磨擦特性及低温应用特性(最低可至- 150 ),一般内外圈材料采用HDPEPPUPE,保持架材料采用HDPEPPUPE,滚珠为玻璃球、不锈钢球或陶瓷球。   

4.PEEK/PI塑料轴承(耐高温塑料轴承)
PEEKPI作为新兴的工程塑料材料,被证明是所有已知工程塑料中机械强度尺寸稳定性及耐高温性能最好的,其中PEEK长期使用温度达 260 PI长期使用温度更是高达 300 ,且其具有优良的耐腐蚀性能,在中等强度的酸碱腐蚀环境仍可以运转自如,故一般用于制作需要在比较严酷环境中精密运转的轴承,其缺点是因材料本身比较昂贵,故使用成本较高,一般内外圈材料选用PEEKPI,保持架材料为PTFEPEEKPI,滚珠一般为Zro2Si3N4陶瓷球。 

5.塑料轴承座及塑料外球面轴承
塑料带座轴承独具重量轻,安装简便,免于维护,同时具有常用铸铁座或冲压座所不具有减震抗冲击性能。随着新材料的不断开发正越来越多地在工程上得到广泛应用。针对不同情况,塑料外球面轴承可采用POMHDPEPPUPEPTFE等不同材料制作,塑料轴承座一般采用PBT材料。 

 

 


塑料深沟球轴承尺寸表
          
 外形尺寸(mm)有关安装尺寸(mm)重量
轴承型号    dadaDarakg)      
 dDB(最小)最小最大最大最大(参考)
P684492.50.14.8/8.20.10.0001
P6941140.155.2/9.80.150.0003
P6041240.25.6/10.40.20.0004
P6241350.25.6/11.40.20.0006
P6341650.36/140.30.0010
P68551130.156.2/9.80.150.0002
P6951340.26.6/11.40.20.0005
P6051450.26.6/12.40.20.0007
P6251650.37/140.30.0010
P6351960.37/170.30.0016
P6866133.50.157.2/11.80.150.0004
P6961550.27.6/13.40.20.0007
P6061760.38/150.30.0011
P6261960.38/170.30.0016
P6362270.38/200.30.0027
P6877143.50.158.2/12.80.150.0004
P6971750.39/150.30.0010
P6071960.39/170.30.0015
P6272270.39/200.30.0024
P6372690.39/240.30.0046
P68881640.29.6/14.40.20.0006
P6981960.310/170.30.0014
P6082270.310/200.30.0023
P6282480.310/220.30.0033
P6382890.310/260.30.0054
P68991740.210.6/15.40.20.0007
P6992060.311/180.30.0016
P6092470.311/220.30.0028
P6292680.311/240.30.0038
P63930100.613/260.60.007
P6800101950.31212170.30.0010
P69002260.31212.5200.30.0017
P60002680.31213240.30.0035
P62003090.61416260.60.006
P630035110.61416.5310.60.010
P6801122150.31414190.30.0012
P69012460.31414.5220.30.0019
P160012870.314/260.30.004
P60012880.31415.5260.30.004
P620132100.61617280.60.007
P63013712117183210.012
P6802152450.31717220.30.0013
P69022870.31717260.30.003
P160023280.317/300.30.005
P60023290.31719300.30.006
P620235110.61920.5310.30.009
P6302421312022.53710.016
P6803172650.31919240.30.0013
P69033070.31919.5280.30.0033
P160033580.319/330.30.006
P600335100.31921.5330.30.008
P620340120.62123.5360.60.013
P6303471412225.54210.022
P640362171.123.5/55.510.052
P6804203270.32222.5300.30.003
P69043790.32224350.30.007
P160044280.322/400.30.009
P600442120.62425.5380.60.013
P6204471412526.54210.021
P630452151.126.52845.510.028
P640472191.126.5/65.510.08
P6805253770.32727350.30.00
P69054290.32728.5400.30.01
P160054780.327/450.30.011
P600547120.62930430.60.015
P62055215130324710.025
P630562171.131.53655.510.045
P640580211.533/721.50.102
P6806304270.332325010.005
P69064790.332345710.010
P160065590.33242.565.510.017
P6006551313536.55310.022
P6206621613538.56010.038
P630672191.136.542.568.510.066
P640690231.554/8220.14
P6807354770.33737450.30.005
P690755100.63939510.60.014
P160076290.337/600.30.021
P6007621414041.55710.029
P620772171.141.544.565.510.055
P630780211.54347721.50.089
P6407100251.543/921.50.18
P6808405270.34242500.30.006
P690862120.64446580.60.022
P160086890.342/660.30.025
P6008681514547.56310.037
P620880181.146.550.573.510.070
P630890231.54853801.50.12
P640811027249/10120.24
P6809455870.34747.5560.30.007
P690968120.64950640.60.024
P1600975100.649/710.60.032
P6009751615053.57010.046
P620985191.151.555.578.510.081
P6309100251.55361.5921.50.16
P640912029254/11120.29
P6810506570.35252.5630.30.010
P691072120.65455680.60.026
P1601080100.654/760.60.034
P6010801615558.57510.050
P621090201.156.56083.210.088
P6310110272596810120.20
P6410130312.161/11920.36
P6811557290.35759700.30.016
P6911801316061.57510.036
P1601190110.659/860.60.049
P601190181.161.56483.510.073
P6211100211.56366.5921.50.12
P63111202926472.511120.26
P6411140332.166/12920.44
P68126078100.36264760.30.020
P69128513165668010.037
P1601295110.664/910.60.054
P601295181.166.56988.510.079
P6212110221.56874.51021.50.15
P6312130312.1717911920.33
P6412150352.171 13920.53
P68136585100.66969810.60.025
P6913901317071.58510.04
P16013100110.669/960.60.06
P6013100181.171.57393.510.08
P6213120231.573801121.50.19
P6313140332.17685.512920.41
P68147090100.67474.5860.60.03
P69141001617577.59510.07
P16014110130.674/1060.60.08
P6014110201.176.580.5103.510.12
P6214125241.578841171.50.21
P6314150352.1819213920.49
P68157595100.67979.5910.60.029
P6915105161808210010.070
P16015115130.679/1110.60.089
P6015115201.181.585.5108.510.12
P6215130251.583901221.50.23
P681680100100.68484.5960.60.03
P69161101618587.510510.075
P16016125140.684/1210.60.12
P6016125221.186.591118.510.17
P62161402628995.513120.27
P6817851101319090.510510.051
P6917120181.191.594.5113.510.11
P16017130140.689/1260.60.13
P6017130221.191.596123.510.18
P62171502829410214120.34
P6818901151319595.511010.05
P6918125181.196.598.5118.510.11
P1601814016195/13510.17
P6018140241.5981031321.50.23
P681995120131100101.511510.057
P6919130181.1101.5103.5123.510.12
P16019145161100/14010.17
P6019145241.5103108.51371.50.24
P6820100125131105105.512010.06
P6920140201.1106.5111133.510.16
P16020150161105/14510.18
P6020150241.5108112.51421.50.25
P6821105130131110110.512510.06
P6921145201.1111.5116138.510.16
P682211014016111511713510.10
P6922150201.1116.5121143.510.17
P682412015016112512714510.10

 

 
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