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圆柱滚子与滚道为线接触轴承。负荷能力大,主要承受径向负荷。滚动体与套圈挡边摩擦小,适于高速旋转。根据套圈有无挡边,可以分有NU、NJ、NUP、N、NF等单列圆柱滚子轴承,及NNU、NN等双列圆柱滚子轴承。该轴承是内圈、外圈可分离的结构。
内圈或外圈无挡边的圆柱滚子轴承,其内圈和外圈可以向轴向作相对移动,所以可以作为自由端轴承使用。在内圈和外圈的某一侧有双挡边,另一侧的套圈有单个挡边的圆柱滚子轴承,可以承受一定程度的一个方向轴向负荷。一般使用钢板冲压保持架,或铜合金车制实体保持架。但也有一部分使用聚酰胺成形保持架。
轴承型号 |
d - 内径 |
D - 外径 |
B - 厚度 |
Cr - 动态径向额定值 |
Cor - 静态径向额定值 |
参考速度 |
极限转速 |
---|---|---|---|---|---|---|---|
NUP2236-E-XL-M1 | 180 mm | 320 mm | 86 mm | 1180000 N | 1490000 N | 1380 rpm | 3700 rpm |
NUP238-E-M1 | 190 mm | 340 mm | 55 mm | 680000 N | 930000 N | 1720 rpm | 3050 rpm |
NUP240-E-M1 | 200 mm | 360 mm | 58 mm | 750000 N | 1040000 N | 1600 rpm | 2900 rpm |
NUP2244-EX-TB-M1 | 220 mm | 400 mm | 108 mm | 1630000 N | 2370000 N | 1000 rpm | 2440 rpm |
NUP2344-EX-TB-M1 | 220 mm | 460 mm | 145 mm | 2350000 N | 3350000 N | 830 rpm | 2110 rpm |
NUP328-E-XL-TVP2 | 140 mm | 300 mm | 62 mm | 790000 N | 800000 N | 2170 rpm | 3050 rpm |
SL192318-TB-XL | 90 mm | 190 mm | 64 mm | 620000 N | 650,000 N N | 1760 rpm | 2750 rpm |
SL192319-TB-XL | 95 mm | 200 mm | 67 mm | 650000 N | 710,000 N N | 1620 rpm | 2600 rpm |
SL192320-TB-XL-BR | 100 mm | 215 mm | 73 mm | 790000 N | 850,000 N N | 1490 rpm | 2420 rpm |
SL192322-TB-XL-BR | 110 mm | 240 mm | 80 mm | 950000 N | 970,000 N N | 1270 rpm | 2090 rpm |
SL192326-TB-XL-BR | 130 mm | 280 mm | 93 mm | 1260000 N | 1,380,000 N N | 1040 rpm | 1810 rpm |
SL192324-TB-XL-BR | 120 mm | 260 mm | 86 mm | 1130000 N | 1,230,000 N N | 1120 rpm | 1940 rpm |
SL192328-TB-XL-BR | 140 mm | 300 mm | 102 mm | 1410000 N | 1,570,000 N N | 970 rpm | 1690 rpm |
SL192330-TB-BR | 150 mm | 320 mm | 108 mm | 1490000 N | 1,900,000 N N | 840 rpm | 1350 rpm |
SL192332-TB-BR | 160 mm | 340 mm | 114 mm | 1690000 N | 2,170,000 N N | 760 rpm | 1250 rpm |
SL192334-TB-BR | 170 mm | 360 mm | 120 mm | 1830000 N | 2,380,000 N N | 730 rpm | 1200 rpm |
SL192336-TB-BR | 180 mm | 380 mm | 126 mm | 1940000 N | 2,600,000 N N | 670 rpm | 1120 rpm |
SL192338-TB-BR | 190 mm | 400 mm | 132 mm | 2220000 N | 2,950,000 N N | 630 rpm | 1090 rpm |
SL192340-TB-BR | 200 mm | 420 mm | 138 mm | 2470000 N | 3,300,000 N N | 570 rpm | 1020 rpm |
SL192344-TB-BR | 220 mm | 460 mm | 145 mm | 2650000 N | 3,450,000 N N | 520 rpm | 910 rpm |