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

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

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 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 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 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 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 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 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 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 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 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