支承滚轮滚针轴承系厚壁外圈,经高温高氮淬火,高精密分选的滚子由高刚性外圈的挡边引导,利用线状接触,滚轮可以直接在滚道上轻松转动,并可以承受巨大的载荷。为去除应力,支撑滚轮的外圈采用弧面设计,曲线滚轮有带单、双密封圈、不带密封圈、带密封环等各种规格型号。带密封圈存储润滑脂空间大、提供锂基脂长久性润滑,并延长润滑间隔。密封圈材质为带骨架丁腈橡胶或ST12,其运转温度范围为-30°C至+100°C或-30°C至+180°C 。密装式的曲线滚轮可承受较重的极强载荷和高性能运转。
RSTO | 外圈无挡边,无内圈支承滚轮 |
STO | 外圈无挡边,有内圈支承滚轮 |
RNA22...2RS | 双面密封,无内圈支承滚轮 |
NA22...2RS | 双面密封,有内圈支承滚轮 |
NATR NATR...PP | 平挡圈轴向引导支承滚轮 |
NATV NATV...PP | 平挡圈轴向引导支承滚轮,满针型 |
NUTR | 滚动体引导支承滚轮,满滚子型 |
CRY | 英制平挡圈轴向引导支承滚轮 |
轴径Shaft Diameter | 轴承型号Bearing Designation | 外形尺寸Boudary Dimensions | 基本额定负荷Basic Load Rating | 极限转速Limiting Speed | ||||||||
动Co | 静Cor | 作为支承滚轮 | ||||||||||
不带密封without realing | 近似重量Mass Approx | 带密封withrealing | 近似重量Mass Approx | d | D | B | As yoke type track rollers | |||||
mm | 动Co | 静Cor | 油润滑Oil | |||||||||
g | g | mm | N | rpm | ||||||||
5 | NATR 5 | 14 | NATR 5 PP | 14 | 5 | 16 | 12 | 3050 | 3000 | 2050 | 2400 | 22000 |
5 | NATV 5 | 15 | NATV 5 PP | 15 | 5 | 16 | 12 | 4500 | 6300 | 3680 | 4300 | 8500 |
6 | NATR 6 | 20 | NATR 6 PP | 20 | 6 | 19 | 12 | 3600 | 3650 | 2450 | 2850 | 20000 |
6 | NATV 6 | 21 | NATV 6 PP | 21 | 6 | 19 | 12 | 5700 | 8700 | 4600 | 6750 | 7000 |
8 | NATR 8 | 41 | NATR 8 PP | 41 | 8 | 24 | 15 | 4500 | 5400 | 3900 | 4500 | 5000 |
8 | NATV 8 | 42 | NATV 8 PP | 42 | 8 | 24 | 15 | 8600 | 12000 | 6700 | 9800 | 5500 |
10 | NATR 10 | 64 | NATR 10 PP | 64 | 10 | 30 | 15 | 6100 | 7800 | 4500 | 6900 | 11000 |
10 | NATV 10 | 65 | NATV 10 PP | 65 | 10 | 30 | 15 | 10900 | 17000 | 7600 | 11800 | 4500 |
12 | NATR 12 | 71 | NATR 12 PP | 71 | 12 | 32 | 15 | 6600 | 9800 | 4660 | 7000 | 9000 |
12 | NATV 12 | 72 | NATV 12 PP | 72 | 12 | 32 | 15 | 11800 | 19000 | 7800 | 1300 | 3900 |
15 | NATR 15 | 103 | NATR 15 PP | 103 | 15 | 35 | 19 | 10500 | 17500 | 7800 | 11500 | 7000 |
15 | NATV 15 | 105 | NATV 15 PP | 105 | 15 | 35 | 19 | 16000 | 32500 | 10200 | 20500 | 3400 |
17 | NATR 17 | 144 | NATR 17 PP | 144 | 17 | 40 | 21 | 11800 | 19400 | 9500 | 13500 | 6000 |
17 | NATV 17 | 152 | NATV 17 PP | 152 | 17 | 40 | 21 | 19600 | 37000 | 1200 | 23000 | 2900 |
20 | NATR 20 | 246 | NATR 20 PP | 246 | 20 | 47 | 25 | 17500 | 29800 | 13500 | 22500 | 4900 |
20 | NATV 20 | 254 | NATV 20 PP | 254 | 20 | 47 | 25 | 25800 | 57000 | 19000 | 39500 | 2600 |
25 | NATR 25 | 275 | NATR 25 PP | 275 | 25 | 52 | 25 | 19500 | 36500 | 13400 | 23500 | 3600 |
25 | NATV 25 | 285 | NATV 25 PP | 285 | 25 | 52 | 25 | 29000 | 69600 | 19800 | 40900 | 2100 |
30 | NATR 30 | 470 | NATR 30 PP | 470 | 30 | 62 | 29 | 31000 | 57500 | 20900 | 35500 | 2600 |
30 | NATV 30 | 481 | NATV 30 PP | 481 | 30 | 62 | 29 | 45000 | 10400 | 27800 | 60900 | 1700 |
35 | NATR 35 | 635 | NATR 35 PP | 635 | 35 | 72 | 29 | 34000 | 67500 | 22500 | 41000 | 2000 |
35 | NATV 35 | 647 | NATV 35 PP | 3477 | 35 | 72 | 29 | 50800 | 109500 | 30900 | 70800 | 1400 |
40 | NATR 40 | 805 | NATR 40 PP | 805 | 40 | 80 | 32 | 47000 | 91500 | 30900 | 56500 | 1700 |
40 | NATV 40 | 890 | NATV 40 PP | 890 | 40 | 80 | 32 | 64000 | 139000 | 39800 | 87800 | 1300 |
45 | NATR 45 | 910 | NATR 45 PP | 910 | 45 | 85 | 32 | 49100 | 98000 | 30600 | 56900 | 1500 |
50 | NATR 50 | 960 | NATR 50 PP | 960 | 50 | 90 | 32 | 50500 | 10600 | 30600 | 57500 | 1300 |
50 | NATV 50 | 990 | NATV 50 PP | 990 | 50 | 90 | 32 | 69500 | 18700 | 38700 | 90900 | 1000 |
轴径Shaft Diameter | 轴承型号Bearing Designation | 近似重量Mass Approx | 外形尺寸Boudary Dimensions | 基本额定负荷Basic Load Rating | 极限转速Limiting Speed | |||||||
动Co | 静Cor | 作为支承滚轮 | ||||||||||
d | D | B | C | D1 | As yoke type track rollers | |||||||
mm | 动Co | 静Cor | 油润滑Oil | |||||||||
g | mm | N | rpm | |||||||||
15 | NUTR15 | 99 | 15 | 35 | 19 | 18 | 20 | 20500 | 24500 | 13900 | 15300 | 6500 |
17 | NUTR17 | 147 | 17 | 40 | 21 | 20 | 22 | 21800 | 28500 | 16500 | 20500 | 5500 |
15 | NUTR15 42 | 158 | 15 | 42 | 19 | 18 | 20 | 20500 | 24500 | 16800 | 21800 | 6500 |
17 | NUTR17 47 | 220 | 17 | 47 | 21 | 20 | 20 | 21800 | 28500 | 19000 | 25000 | 5500 |
20 | NUTR20 | 245 | 20 | 47 | 25 | 24 | 27 | 36900 | 48900 | 26000 | 33500 | 4200 |
20 | NUTR20 52 | 321 | 20 | 52 | 25 | 24 | 27 | 36900 | 48900 | 29800 | 39800 | 4200 |
25 | NUTR25 | 281 | 25 | 52 | 25 | 24 | 31 | 40800 | 58500 | 27500 | 35000 | 3400 |
25 | NUTR25 62 | 450 | 25 | 62 | 25 | 24 | 31 | 40800 | 58500 | 32500 | 47800 | 3400 |
30 | NUTR30 | 465 | 30 | 62 | 29 | 28 | 38 | 56800 | 77500 | 39500 | 49500 | 2600 |
30 | NUTR30 72 | 697 | 30 | 72 | 29 | 28 | 38 | 56800 | 77500 | 46000 | 62800 | 2600 |
35 | NUTR35 | 630 | 35 | 72 | 29 | 28 | 44 | 63000 | 91000 | 42500 | 59000 | 2100 |
35 | NUTR35 80 | 836 | 35 | 80 | 29 | 28 | 44 | 63000 | 91000 | 49500 | 70500 | 2100 |
40 | NUTR40 | 816 | 40 | 80 | 32 | 30 | 51 | 87900 | 108000 | 54000 | 73600 | 1600 |
45 | NUTR45 | 883 | 45 | 85 | 32 | 30 | 55 | 93600 | 119000 | 54000 | 77500 | 1400 |
40 | NUTR40 90 | 1129 | 40 | 90 | 32 | 30 | 51 | 87900 | 108000 | 63800 | 93600 | 1600 |
50 | NUTR50 | 950 | 50 | 90 | 32 | 30 | 60 | 98900 | 140000 | 55900 | 79000 | 1300 |
45 | NUTR45 100 | 1396 | 45 | 100 | 32 | 30 | 55 | 93600 | 119000 | 70500 | 106000 | 1400 |
50 | NUTR50 110 | 1690 | 50 | 110 | 32 | 30 | 60 | 98900 | 140000 | 73600 | 118000 | 1300 |
轴径Shaft Diameter | 轴承型号Bearing Designation | 外形尺寸Boudary Dimensions | 基本额定负荷Basic Load Rating | 极限转速Limiting Speed | ||||||||
动Co | 静Cor | 作为支承滚轮 | ||||||||||
As yoke type track rollers | ||||||||||||
无内圈without inner ring | 带内圈with inner ring | D | d | Fw | B | C | 动Co | 静Cor | 油润滑Oil | |||
mm | mm | N | rpm | |||||||||
6 | RNA 22/6.2RS | NA 22/6.2RS | 19 | 6 | 10 | 12 | 11.8 | 5300 | 4650 | 3900 | 3700 | 18000 |
RNA 22/6.2RS X | NA 22/6.2RS X | 19 | 6 | 10 | 12 | 11.8 | 5300 | 4650 | 3900 | 3700 | 18000 | |
8 | RNA 22/8.2RS | NA22/8.2RS | 24 | 8 | 12 | 12 | 11.8 | 5700 | 5400 | 4800 | 4800 | 14000 |
RNA 22/8.2RS X | NA22/8.2RS | 24 | 8 | 12 | 12 | 11.8 | 5700 | 5400 | 4800 | 4800 | 14000 | |
10 | RNA 2200.2RS | NA2200.2RS | 30 | 10 | 14 | 14 | 13.8 | 7800 | 8300 | 7000 | 8000 | 11000 |
RNA 2200.2RS X | NA2200.2RS X | 30 | 10 | 14 | 14 | 13.8 | 7800 | 8300 | 7000 | 8000 | 11000 | |
12 | RNA 2201.2RS | NA2201.2RS | 32 | 12 | 16 | 14 | 13.8 | 8700 | 9900 | 7500 | 9000 | 9500 |
RNA 2201.2RS X | NA2201.2RS X | 32 | 12 | 16 | 14 | 13.8 | 8700 | 9900 | 7500 | 9000 | 9500 | |
15 | RNA 2202.2RS | NA2202.2RS | 35 | 15 | 20 | 14 | 13.8 | 9800 | 12300 | 7600 | 9600 | 7000 |
RNA 2202.2RS X | NA2202.2RS X | 35 | 15 | 20 | 14 | 13.8 | 9800 | 12300 | 7600 | 9600 | 7000 | |
17 | RNA 2203.2RS | NA2203.2RS | 40 | 17 | 22 | 16 | 15.8 | 12200 | 16700 | 9900 | 13800 | 6000 |
RNA 2203.2RS X | NA2203.2RS X | 40 | 17 | 22 | 16 | 15.8 | 12200 | 16700 | 9900 | 13800 | 6000 | |
20 | RNA 2204.2RS | NA2204.2RS | 47 | 20 | 25 | 18 | 17.8 | 18900 | 22300 | 15200 | 18300 | 4600 |
RNA 2204.2RS X | NA2204.2RS X | 47 | 20 | 25 | 18 | 17.8 | 18900 | 22300 | 15200 | 18300 | 4600 | |
25 | RNA 2205.2RS | NA2205.2RS | 52 | 25 | 30 | 18 | 17.8 | 21100 | 27000 | 15700 | 20000 | 3500 |
RNA 2205.2RS X | NA2205.2RS X | 52 | 25 | 30 | 18 | 17.8 | 21100 | 27000 | 15700 | 20000 | 3500 | |
30 | RNA 2206.2RS | NA2206.2RS | 62 | 30 | 35 | 20 | 19.8 | 23300 | 32000 | 18300 | 25500 | 2800 |
RNA 2206.2RS X | NA2206.2RS X | 62 | 30 | 35 | 20 | 19.8 | 23300 | 32000 | 18300 | 25500 | 2800 | |
35 | RNA 2207.2RS | NA2207.2RS | 72 | 35 | 42 | 23 | 22.7 | 30000 | 46500 | 23000 | 35500 | 2200 |
RNA 2207.2RS X | NA2207.2RS X | 72 | 35 | 42 | 23 | 22.7 | 30000 | 46500 | 23000 | 35500 | 2200 | |
40 | RNA 2208.2RS | NA2208.2RS | 80 | 40 | 48 | 23 | 22.7 | 38500 | 58000 | 27500 | 40500 | 1700 |
RNA 2208.2RS X | NA2208.2RS X | 80 | 40 | 48 | 23 | 22.7 | 38500 | 58000 | 27500 | 40500 | 1700 | |
45 | RNA 2209.2RS | NA2209.2RS | 85 | 45 | 52 | 23 | 22.7 | 40500 | 64000 | 28500 | 43000 | 1600 |
RNA 2209.2RS X | NA2209.2RS X | 85 | 45 | 52 | 23 | 22.7 | 40500 | 64000 | 28500 | 43000 | 1600 | |
50 | RNA2210.2RS | NA2210.2RS | 90 | 50 | 58 | 23 | 22.7 | 42500 | 70000 | 28000 | 42500 | 1300 |
RNA 2210.2RS X | NA2210.2RS X |
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