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XS 超高速小球型
GKRW XS系列超高速小球型超精密角接触球轴承,专为追求极限转速与高刚度平衡的超高速主轴应用而设计。该系列采用小直径、多数量钢球配置——相较于HS系列高速轴承,XS系列的滚动体直径进一步减小,数量显著增加,从而有效降低单个球的离心力和陀螺滑动,同时使载荷分布更为均匀,在超高转速下实现更低的发热和更高的动态刚性。 XS系列轴承套圈采用长寿命低发热钢制造,经特殊热处理工艺优化,在高速运转条件下具备优异的尺寸稳定性和抗疲劳性能。同时,轴承截面设计更为厚实,增强了套圈的整体刚性和抗变形能力,使其在承受高速离心载荷时仍能保持稳定的几何精度和接触状态。 由于球径较小,XS系列在承载能力上略低于HS系列,更适用于轻载或中等载荷下的超高速工况,如高速电主轴、精密磨削主轴、超高速离心机和航空涡轮机械等对转速要求极高、载荷相对较轻的应用场景。 GKRW为XS系列常规提供三种接触角选项,以满足不同刚性与转速的匹配需求:15°(C)适用于超高速、轻轴向载荷场合;18°(F)兼顾速度与一定轴向刚性;25°(E)则提供更高的轴向承载能力,适合要求较高刚性的高速应用。用户可根据具体工况灵活选型,GKRW亦支持配对配置(DB、DF、DT)及不同预载等级的定制。如需更详细的技术参数或选型支持,欢迎联系GKRW工程师。
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| 公称型号 | 主要尺寸(mm) | 额定载荷(KN) | 极限载荷(KN) | 接触角 | 系数 | 作用点(mm) | 限制速度(rpm) | 安装尺寸(mm) | 预紧力(N)-DU/DB/DF | 轴承刚度(N/μm)-DU/DB/DF | 测量轴向游隙(μm) | 轴承组合 | 重量(Kg) | |||||||||||||||||||||
| 超高速小球型 | d | D | B | T | r(min) | r1(min) | Cr | C0r | ° | fo | a | Grease | Oil | da(min) | Da(max) | Db(max) | ra(max) | rb(max) | EL | L | M | H | EL | L | M | H | EL | L | M | H | 方式 | 列数 | ||
| XS706C.T.P4.SUL | 6 | 17 | 6 | - | 0.3 | 0.15 | 1.35 | 0.425 | 0.345 | 15 | 6.6 | 4.5 | 149000 | 208000 | 8.5 | 14.5 | - | 0.3 | - | 2.1 | 5.4 | 15 | - | 5.4 | 7.6 | 11 | - | 9 | 7 | 3 | - | 万能 | 1 | 0.006 |
| XS707C.T.P4.SUL | 7 | 19 | 6 | - | 0.3 | 0.15 | 1.57 | 0.545 | 0.44 | 15 | 7.1 | 4.7 | 132000 | 1800000 | 9.5 | 16.5 | - | 0.3 | - | 3.8 | 8.2 | 17 | - | 7.6 | 10 | 14 | - | 7 | 5 | 2 | - | 万能 | 1 | 0.008 |
| XS708C.T.P4.SUL | 8 | 22 | 7 | - | 0.3 | 0.15 | 2.31 | 0.8 | 0.66 | 15 | 7 | 5.5 | 115000 | 156000 | 10.5 | 19.5 | - | 0.3 | - | 5.9 | 11 | 21 | - | 9 | 11 | 15 | - | 6 | 4 | 1 | - | 万能 | 1 | 0.012 |
| XS7000C.T.P4.SUL | 10 | 26 | 8 | - | 0.3 | 0.15 | 3 | 1.13 | 0.94 | 15 | 7.1 | 6.4 | 95000 | 130000 | 12.5 | 23.5 | 24.8 | 0.3 | 0.15 | 7.1 | 17 | 39 | - | 11 | 15 | 21 | - | 5 | 2 | -3 | - | 万能 | 1 | 0.019 |
| XS7001C.T.P4.SUL | 12 | 28 | 8 | - | 0.3 | 0.15 | 3.25 | 1.27 | 1.06 | 15 | 7.4 | 6.7 | 87000 | 116000 | 14.5 | 25.5 | 26.8 | 0.3 | 0.15 | 9.2 | 20 | 45 | - | 12 | 17 | 23 | - | 4 | 1 | -4 | - | 万能 | 1 | 0.021 |
| XS7002C.T.P4.SUL | 15 | 32 | 9 | - | 0.3 | 0.15 | 4.2 | 1.65 | 1.38 | 15 | 7.2 | 7.6 | 75000 | 99000 | 17.5 | 29.5 | 30.8 | 0.3 | 0.15 | 13 | 25 | 56 | - | 14 | 18 | 25 | - | 3 | 0 | -6 | - | 万能 | 1 | 0.027 |
| XS7003C.T.P4.SUL | 17 | 35 | 10 | - | 0.3 | 0.15 | 4.45 | 1.85 | 1.56 | 15 | 7.4 | 8.5 | 68000 | 90000 | 19.5 | 32.5 | 33.8 | 0.3 | 0.15 | 12 | 29 | 65 | - | 14 | 20 | 28 | - | 3 | -1 | -7 | - | 万能 | 1 | 0.036 |
| XS7004C.T.P4.SUL | 20 | 42 | 12 | - | 0.6 | 0.3 | 7.45 | 3.2 | 2.67 | 15 | 7.2 | 10.1 | 56000 | 77000 | 25 | 37 | 39.5 | 0.6 | 0.3 | 25 | 54 | 119 | - | 20 | 27 | 37 | - | 0 | -5 | -13 | - | 万能 | 1 | 0.061 |
| XS7005C.T.P4.SUL | 25 | 47 | 12 | - | 0.6 | 0.3 | 7.9 | 3.6 | 3.05 | 15 | 7.6 | 10.8 | 49000 | 66000 | 30 | 42 | 44.5 | 0.6 | 0.3 | 25 | 56 | 125 | - | 22 | 29 | 40 | - | 0 | -5 | -13 | - | 万能 | 1 | 0.07 |
| XS7006C.T.P4.SUL | 30 | 55 | 13 | - | 1 | 0.6 | 9.1 | 5.8 | 5.35 | 15 | 9.4 | 12.2 | 42000 | 66000 | 36 | 49 | 50 | 1 | 0.5 | 49 | 113 | 254 | - | 44 | 59 | 82 | - | 0 | -5 | -13 | - | 万能 | 1 | 0.13 |
| XS7007C.T.P4.SUL | 35 | 62 | 14 | - | 1 | 0.6 | 10.6 | 7.1 | 6.7 | 15 | 9.6 | 13.6 | 37000 | 58000 | 41 | 56 | 57 | 1 | 0.5 | 49 | 117 | 247 | - | 46 | 63 | 85 | - | 0 | -5 | -12 | - | 万能 | 1 | 0.17 |
| XS7008C.T.P4.SUL | 40 | 68 | 15 | - | 1 | 0.6 | 11.1 | 8 | 7.5 | 15 | 9.8 | 14.8 | 33000 | 52000 | 46 | 62 | 63 | 1 | 0.5 | 49 | 122 | 240 | - | 49 | 68 | 89 | - | 0 | -5 | -11 | - | 万能 | 1 | 0.21 |
| XS7009C.T.P4.SUL | 45 | 75 | 16 | - | 1 | 0.6 | 12.3 | 9 | 8.35 | 15 | 9.6 | 15.8 | 30000 | 47000 | 51 | 69 | 70 | 1 | 0.5 | 49 | 123 | 242 | - | 50 | 69 | 89 | - | 0 | -5 | -11 | - | 万能 | 1 | 0.26 |
| XS7010C.T.P4.SUL | 50 | 80 | 16 | - | 1 | 0.6 | 12.8 | 10 | 9.2 | 15 | 9.7 | 16.7 | 28000 | 43000 | 56 | 74 | 75 | 1 | 0.5 | 49 | 128 | 280 | - | 52 | 74 | 100 | - | 0 | -5 | -12 | - | 万能 | 1 | 0.29 |
| XS7011C.T.P4.SUL | 55 | 90 | 18 | - | 1.1 | 0.6 | 15.9 | 12.6 | 11.7 | 15 | 9.7 | 19 | 25000 | 39000 | 62 | 83 | 85 | 1 | 0.6 | 49 | 131 | 343 | - | 54 | 77 | 111 | - | 0 | -5 | -14 | - | 万能 | 1 | 0.42 |
| XS7012C.T.P4.SUL | 60 | 95 | 18 | - | 1.1 | 0.6 | 16.4 | 13.8 | 12.8 | 15 | 9.7 | 19 | 23000 | 36000 | 67 | 88 | 90 | 1 | 0.6 | 49 | 136 | 393 | - | 57 | 82 | 123 | - | 0 | -5 | -15 | - | 万能 | 1 | 0.45 |
| XS7013C.T.P4.SUL | 65 | 100 | 18 | - | 1.1 | 0.6 | 17 | 14.9 | 13.9 | 15 | 9.7 | 20 | 22000 | 34000 | 72 | 93 | 95 | 1 | 0.6 | 49 | 141 | 415 | - | 60 | 87 | 131 | - | 0 | -5 | -15 | - | 万能 | 1 | 0.47 |
| XS7014C.T.P4.SUL | 70 | 110 | 20 | - | 1.1 | 0.6 | 23.4 | 19.8 | 18.8 | 15 | 9.6 | 22 | 19000 | 30000 | 77 | 103 | 105 | 1 | 0.6 | 49 | 262 | 582 | - | 60 | 108 | 147 | - | 0 | -10 | -20 | - | 万能 | 1 | 0.66 |
| XS7015C.T.P4.SUL | 75 | 115 | 20 | - | 1.1 | 0.6 | 23.7 | 20.8 | 19.7 | 15 | 9.7 | 22 | 18000 | 28000 | 82 | 108 | 110 | 1 | 0.6 | 49 | 269 | 600 | - | 61 | 112 | 153 | - | 0 | -10 | -20 | - | 万能 | 1 | 0.7 |
| XS7016C.T.P4.SUL | 80 | 125 | 22 | - | 1.1 | 0.6 | 27.8 | 24.7 | 23.4 | 15 | 9.6 | 25 | 17000 | 26000 | 87 | 118 | 120 | 1 | 0.6 | 98 | 359 | 688 | - | 80 | 127 | 164 | - | 0 | -10 | -19 | - | 万能 | 1 | 0.92 |
