向心滚针和保持架组件是独立的滚动元件,其保持架的两引导面间距宽广,既能引导滚针,又可保持滚针的正确位置。该类轴承适用于轴和座孔可作为滚道的场合,只须将轴和轴承座孔滚道加工至规定的尺寸精度和几何精度,即可确保最小空间的高旋转精度。
主要结构形式:
K 向心滚针和保持架组件
KS 剖分式向心滚针和保持架组件
KK 双列向心滚针和保持架组件
KKS 剖分式双列向心滚针和保持架组件
KZK 连杆曲柄销用向心滚针和保持架组件
KBK 连杆活塞销用向心滚针和保持架组件
KNL 长圆柱滚子和保持组件
及各款汽车用滚针轴承
我司生产的向心滚针和保持架组件保持架采用低碳优质碳素钢管车制而成,远远优于于冲压保持架。具有足够的强度和耐磨性。同时可以提供表面镀层处理。
轴 径 Shaft Diameter | 轴承型号 Bearing Designation | 重量 Mass 近似 Approx | 外形尺寸 Boundary Dimensions | 基本额定负荷 Basic Load Rating | ,极限转速 Limiting Speed |
现行的 Current | 原型号 Original Code | Fw | Ew | Bc | 动Cr Dynamic | 静Cor Static | 油润滑 Oil |
mm | g | mm | N | rpm |
68 | K68X74X20 | 49241/68 | 65 | 68 | 74 | 20 | 35000 | 83500 | 5000 |
K68X74X30 | 69241/68 | 97 | 68 | 74 | 30 | 46000 | 117500 | 5000 |
K68X74X35 ZW | 79241/68 | 116 | 68 | 74 | 35 | 48000 | 124500 | 5000 |
K68X75X20 | | 120 | 68 | 75 | 20 | 53500 | 127500 | 4500 |
70 | K70X76X20 | 49241/70 | 70 | 70 | 76 | 20 | 35500 | 85500 | 4500 |
K70X76X30 | 69241/70 | 100 | 70 | 76 | 30 | 51500 | 138500 | 4500 |
K70X78X25 | 29243/70 | 115 | 70 | 78 | 25 | 51500 | 111500 | 4500 |
K70X78X30 | 39243/70 | 136 | 70 | 78 | 30 | 59500 | 134500 | 4500 |
K70X80X30 | 29244/70 | 150 | 70 | 80 | 30 | 72500 | 147500 | 4500 |
K70X78X46 ZW | | 230 | 70 | 78 | 46 | 77500 | 18800 | 4500 |
72 | K72X80X20 | 19243/72 | 94 | 72 | 80 | 20 | 41000 | 84500 | 4500 |
73 | K73X79X20 | | 69 | 73 | 79 | 20 | 36500 | 99500 | 4500 |
75 | K75X81X20 | 49241/75 | 72 | 75 | 81 | 20 | 37000 | 93500 | 4500 |
K75X81X30 | 69241/75 | 106 | 75 | 81 | 30 | 51500 | 142000 | 4500 |
K75X83X23 | | 113 | 75 | 83 | 23 | 49500 | 108000 | 4000 |
K75X83X30 | 39243/75 | 147 | 75 | 83 | 30 | 61500 | 142000 | 4000 |
K75X83X35 ZW | 49243/75 | 165 | 75 | 83 | 35 | 62500 | 146500 | 4000 |
K75X83X40 ZW | 59243/75 | 190 | 75 | 83 | 40 | 72500 | 176500 | 4000 |
80 | K80X86X20 | 49241/80 | 76 | 80 | 86 | 20 | 38000 | 97500 | 4000 |
K80X86X30 | 69241/80 | 114 | 80 | 86 | 30 | 55500 | 158500 | 4000 |
K80X88X30 | 39243/80 | 141 | 80 | 88 | 30 | 71500 | 178500 | 4000 |
K80X88X40 ZW | 59243/80 | 204 | 80 | 88 | 40 | 75500 | 191500 | 4000 |
K80X88X46 ZW | 69243/80 | 235 | 80 | 88 | 46 | 87500 | 23000 | 4000 |
85 | K85X92X20 | 29241/85 | 96 | 85 | 92 | 20 | 44000 | 107500 | 3500 |
90 | K90X97X20 | 29241/90 | 103 | 90 | 97 | 20 | 44500 | 112500 | 3000 |
K90X98X27 | | 150 | 90 | 98 | 27 | 60500 | 149500 | 3000 |
K90X98X30 | 39242/90 | 172 | 90 | 98 | 30 | 67500 | 171500 | 3000 |
95 | K95X102X20 | 29241/95 | 110 | 95 | 102 | 20 | 45500 | 122500 | 2900 |
K95X102X30 | 39242/95 | 177 | 95 | 102 | 30 | 68500 | 179500 | 2900 |
K95X103X40 ZW | 59242/95 | 250 | 95 | 103 | 40 | 82500 | 227500 | 2900 |
100 | K100X107X21 | | 120 | 100 | 107 | 21 | 47500 | 126500 | 2700 |
K100X108X27 | | 176 | 100 | 108 | 27 | 56500 | 142500 | 2700 |
K100X108X30 | 39242/100 | 190 | 100 | 108 | 30 | 70500 | 187500 | 2700 |
105 | K105X112X21 | | 123 | 105 | 112 | 21 | 47000 | 126500 | 2500 |
K105X113X30 | 39242/105 | 198 | 105 | 113 | 30 | 71500 | 196500 | 2500 |
110 | K110X117X24 | | 146 | 110 | 117 | 24 | 55500 | 157500 | 2300 |
K110X118X30 | 39244/110 | 217 | 110 | 118 | 30 | 77500 | 218500 | 2300 |