单列角接触球轴承可同时承受径向和一个方向轴向载荷,极限转速高,主要用于精密机床和其他高精度、高转速的部位。该类轴承在承受径向载荷时,轴承内圈会产生轴向分力,因此,单列角接触球轴承通常需要与能承受反方向轴向的轴承配套安装使用。
为了提高机床主轴的刚性和使用寿命,通常采用双联、三联甚至多联组配使用。DRZ精密角接触球轴承的接触角分为15°(代号为C)、25°(代号为AC)、40°(代号为B)三种,以满足不同的需求,其外形尺寸有70、72、73三种系列,当客户有要求时,DRZ可生产其他尺寸系列化的角接触球轴承。在轴承结构上DRZ有标准系列和高速系列以及60°的丝杠轴承。
轴承代号 | 外形尺寸 | 安装尺寸 | 额定载荷 | 极限转速 | 予载荷Fao | 轴向刚度Ra | 重量 | |||||||||||||
d | D | B | ramin | r1min | da | Da/Db | ra | rb | Cr | Cor | 脂 | 油 | A(轻) | B(中) | C(重) | A(轻) | B(中) | C(重) | ≈ | |
mm | min | max | max | max | kN | r/min | N | N/μm | Kg | |||||||||||
7004C | 20 | 42 | 12 | 0.6 | 0.15 | 24.5 | 37.5 | 0.6 | 0.15 | 9.6 | 6.3 | 38000 | 56000 | 50 | 150 | 300 | 24 | 35 | 44 | 0.06 |
7004AC | 20 | 42 | 12 | 0.6 | 0.15 | 24.5 | 37.5 | 0.6 | 0.15 | 9.2 | 6.0 | 34000 | 50000 | 80 | 240 | 480 | 64 | 90 | 113 | 0.06 |
7005C | 25 | 47 | 12 | 0.6 | 0.15 | 29 | 43 | 0.6 | 0.15 | 12.9 | 8.7 | 34000 | 50000 | 65 | 190 | 380 | 29 | 42 | 53 | 0.07 |
7005AC | 25 | 47 | 12 | 0.6 | 0.15 | 29 | 43 | 0.6 | 0.15 | 12.3 | 8.3 | 30000 | 45000 | 105 | 310 | 620 | 77 | 108 | 136 | 0.07 |
7006C | 30 | 55 | 13 | 1 | 0.3 | 34.5 | 50.5 | 1.0 | 0.3 | 15.7 | 11.6 | 28000 | 43000 | 80 | 240 | 480 | 35 | 50 | 63 | 0.11 |
7006AC | 30 | 55 | 13 | 1 | 0.3 | 34.5 | 50.5 | 1.0 | 0.3 | 14.9 | 10.9 | 24000 | 38000 | 130 | 390 | 780 | 92 | 128 | 161 | 0.11 |
7007C | 35 | 62 | 14 | 1 | 0.3 | 40.5 | 56.5 | 1.0 | 0.3 | 19.3 | 17.5 | 20000 | 34000 | 100 | 300 | 600 | 39 | 56 | 71 | 0.15 |
7007AC | 35 | 62 | 14 | 1 | 0.3 | 40.5 | 56.5 | 1.0 | 0.3 | 18.3 | 16.6 | 19000 | 32000 | 165 | 490 | 980 | 104 | 146 | 183 | 0.15 |
7008C | 40 | 68 | 15 | 1 | 0.3 | 46 | 62 | 1.0 | 0.3 | 19.9 | 19.1 | 19000 | 32000 | 105 | 310 | 620 | 41 | 59 | 75 | 0.19 |
7008AC | 40 | 68 | 15 | 1 | 0.3 | 46 | 62 | 1.0 | 0.3 | 18.9 | 18.2 | 17000 | 28000 | 170 | 510 | 1020 | 109 | 153 | 193 | 0.19 |
7009C | 45 | 75 | 16 | 1 | 0.3 | 50.5 | 69.5 | 1.0 | 0.3 | 26.7 | 25.3 | 17000 | 28000 | 140 | 420 | 840 | 46 | 67 | 85 | 0.23 |
7009AC | 45 | 75 | 16 | 1 | 0.3 | 50.5 | 69.5 | 1.0 | 0.3 | 25.4 | 24.1 | 16000 | 26000 | 320 | 690 | 1380 | 123 | 172 | 216 | 0.23 |
7010C | 50 | 80 | 16 | 1 | 0.3 | 55.5 | 74.5 | 1.0 | 0.3 | 27.6 | 27.5 | 16000 | 26000 | 145 | 430 | 860 | 49 | 71 | 89 | 0.25 |
7010AC | 50 | 80 | 16 | 1 | 0.3 | 55.5 | 74.5 | 1.0 | 0.3 | 26.2 | 26.2 | 15000 | 24000 | 235 | 700 | 1400 | 130 | 182 | 229 | 0.25 |
7011C | 55 | 90 | 18 | 1.1 | 0.6 | 61.5 | 83.5 | 1.1 | 0.6 | 36.7 | 37.1 | 14000 | 22000 | 195 | 580 | 1160 | 56 | 81 | 103 | 0.37 |
7011AC | 55 | 90 | 18 | 1.1 | 0.6 | 61.5 | 83.5 | 1.1 | 0.6 | 34.8 | 35.3 | 13000 | 20000 | 315 | 940 | 1880 | 150 | 210 | 264 | 0.37 |
7012C | 60 | 95 | 18 | 1.1 | 0.6 | 66.5 | 88.5 | 1.1 | 0.6 | 37.8 | 40.0 | 14000 | 20000 | 500 | 600 | 1200 | 59 | 85 | 108 | 0.39 |
7012AC | 60 | 95 | 18 | 1.1 | 0.6 | 66.5 | 88.5 | 1.1 | 0.6 | 35.8 | 38.0 | 12000 | 19000 | 325 | 970 | 1940 | 158 | 221 | 278 | 0.39 |
7013C | 65 | 100 | 18 | 1.1 | 0.6 | 71.5 | 93.5 | 1.1 | 0.6 | 38.9 | 42.9 | 13000 | 20000 | 210 | 630 | 1260 | 62 | 90 | 114 | 0.42 |
7013AC | 65 | 100 | 18 | 1.1 | 0.6 | 71.5 | 93.5 | 1.1 | 0.6 | 36.8 | 40.7 | 11000 | 18000 | 330 | 990 | 1900 | 165 | 232 | 292 | 0.42 |
7014C | 70 | 110 | 20 | 1.1 | 0.6 | 77.5 | 103 | 1.1 | 0.6 | 49.9 | 55.5 | 12000 | 19000 | 270 | 810 | 1620 | 70 | 102 | 129 | 0.59 |
7014AC | 70 | 110 | 20 | 1.1 | 0.6 | 77.5 | 103 | 1.1 | 0.6 | 47.2 | 52.7 | 10000 | 17000 | 425 | 1270 | 2540 | 188 | 263 | 331 | 0.59 |
7015C | 75 | 115 | 20 | 1.1 | 0.6 | 82.5 | 108 | 1.1 | 0.6 | 51.3 | 59.2 | 11000 | 18000 | 248 | 820 | 1640 | 74 | 106 | 135 | 0.62 |
7015AC | 75 | 115 | 20 | 1.1 | 0.6 | 82.5 | 108 | 1.1 | 0.6 | 48.5 | 56.2 | 9500 | 16000 | 435 | 1300 | 2600 | 197 | 276 | 346 | 0.62 |
7016C | 80 | 125 | 22 | 1.1 | 0.6 | 88 | 117 | 1.1 | 0.6 | 61.6 | 70.4 | 10000 | 17000 | 330 | 990 | 1980 | 78 | 113 | 144 | 0.83 |
7016AC | 80 | 125 | 22 | 1.1 | 0.6 | 88 | 117 | 1.1 | 0.6 | 58.3 | 66.9 | 9000 | 15000 | 525 | 1570 | 3140 | 209 | 294 | 369 | 0.83 |
7017C | 85 | 130 | 22 | 1.1 | 0.6 | 93 | 122 | 1.1 | 0.6 | 63.3 | 75.0 | 9500 | 16000 | 340 | 1000 | 2000 | 82 | 119 | 150 | 0.87 |
7017AC | 85 | 130 | 22 | 1.1 | 0.6 | 93 | 122 | 1.1 | 0.6 | 59.9 | 71.3 | 8500 | 14000 | 540 | 1620 | 3240 | 219 | 307 | 386 | 0.87 |
7018C | 90 | 140 | 24 | 1.5 | 0.6 | 100.5 | 130 | 1.5 | 0.6 | 66.9 | 84.0 | 9000 | 15000 | 360 | 1050 | 2100 | 89 | 129 | 163 | 1.18 |
7018AC | 90 | 140 | 24 | 1.5 | 0.6 | 100.5 | 130 | 1.5 | 0.6 | 63.2 | 79.7 | 8000 | 13000 | 570 | 1710 | 3420 | 239 | 335 | 421 | 1.18 |
7019C | 95 | 145 | 24 | 1.5 | 0.6 | 104 | 136 | 1.5 | 0.6 | 79.1 | 97.6 | 8500 | 14000 | 420 | 1250 | 2500 | 94 | 137 | 173 | 1.20 |
7019AC | 95 | 145 | 24 | 1.5 | 0.6 | 104 | 136 | 1.5 | 0.6 | 74.8 | 92.7 | 7500 | 12000 | 670 | 2010 | 4020 | 253 | 354 | 446 | 1.20 |
7020C | 100 | 150 | 24 | 1.5 | 0.6 | 109 | 141 | 1.5 | 0.6 | 81.2 | 103.3 | 8000 | 13000 | 430 | 1290 | 2580 | 98 | 142 | 180 | 1.25 |
7020AC | 100 | 150 | 24 | 1.5 | 0.6 | 109 | 141 | 1.5 | 0.6 | 76.7 | 98.0 | 7000 | 11000 | 690 | 2070 | 4140 | 263 | 370 | 464 | 1.25 |
7021C | 105 | 160 | 26 | 2 | 1 | 115 | 150 | 2.0 | 1.0 | 93.9 | 118.2 | 7500 | 12000 | 500 | 1500 | 3000 | 103 | 149 | 189 | 1.58 |
7021AC | 105 | 160 | 26 | 2 | 1 | 115 | 150 | 2.0 | 1.0 | 88.8 | 112.2 | 7000 | 11000 | 800 | 2400 | 4800 | 276 | 387 | 487 | 1.58 |
7022C | 110 | 170 | 28 | 2 | 1 | 121 | 159 | 2.0 | 1.0 | 110.4 | 139.8 | 7000 | 11000 | 590 | 1750 | 3500 | 112 | 162 | 205 | 1.97 |
7022AC | 110 | 170 | 28 | 2 | 1 | 121 | 159 | 2.0 | 1.0 | 104.4 | 132.8 | 6700 | 10000 | 950 | 2850 | 5700 | 299 | 421 | 592 | 1.97 |
7024C | 120 | 180 | 28 | 2 | 1 | 131 | 169 | 2.0 | 1.0 | 112.7 | 148.7 | 7000 | 11000 | 600 | 1800 | 3600 | 116 | 169 | 213 | 2.11 |
7024AC | 120 | 180 | 28 | 2 | 1 | 131 | 169 | 2.0 | 1.0 | 106.5 | 141.1 | 6700 | 10000 | 970 | 2910 | 5820 | 312 | 438 | 550 | 2.11 |
7026C | 130 | 200 | 33 | 2 | 1 | 142.5 | 187.5 | 2.0 | 1.0 | 144.8 | 190.8 | 6700 | 10000 | 750 | 2200 | 4400 | 129 | 187 | 236 | 3.18 |
7026AC | 130 | 200 | 33 | 2 | 1 | 142.5 | 187.5 | 2.0 | 1.0 | 136.8 | 181.0 | 6000 | 9000 | 1200 | 3600 | 7200 | 346 | 485 | 610 | 3.18 |
7028C | 140 | 210 | 33 | 2 | 1 | 152.5 | 197.5 | 2.0 | 1.0 | 148.7 | 202.6 | 6000 | 9000 | 800 | 2400 | 4800 | 134 | 194 | 264 | 3.37 |
7028AC | 140 | 210 | 33 | 2 | 1 | 152.5 | 197.5 | 2.0 | 1.0 | 140.4 | 192.2 | 5600 | 8500 | 1300 | 3900 | 7800 | 350 | 505 | 625 | 3.37 |
7030C | 150 | 225 | 35 | 2.1 | 1.1 | 163.5 | 211.5 | 2.1 | 1.1 | 168.4 | 232.5 | 5600 | 8500 | 900 | 2700 | 5400 | 143 | 207 | 262 | 4.10 |
7030AC | 150 | 225 | 35 | 2.1 | 1.1 | 163.5 | 211.5 | 2.1 | 1.1 | 159.1 | 220.6 | 5000 | 7500 | 1400 | 4200 | 8400 | 384 | 539 | 677 | 4.10 |
7032C | 160 | 240 | 38 | 2.1 | 1.1 | 174.5 | 225.5 | 2.1 | 1.1 | 189.1 | 264.5 | 5000 | 7500 | 1000 | 3000 | 6000 | 151 | 220 | 278 | 5.07 |
7032AC | 160 | 240 | 38 | 2.1 | 1.1 | 174.5 | 225.5 | 2.1 | 1.1 | 178.6 | 251.0 | 4800 | 7000 | 1600 | 4800 | 9600 | 4077 | 572 | 719 | 5.07 |
7034C | 170 | 260 | 42 | 2.1 | 1.1 | 188 | 242 | 2.1 | 1.1 | 205.6 | 299.3 | 4800 | 7000 | 1100 | 3300 | 6600 | 158 | 230 | 291 | 6.90 |
7034AC | 170 | 260 | 42 | 2.1 | 1.1 | 188 | 242 | 2.1 | 1.1 | 194.2 | 284.0 | 4300 | 6300 | 1750 | 5200 | 10000 | 427 | 600 | 754 | 6.90 |
7036C | 180 | 280 | 46 | 2.1 | 1.1 | 201.5 | 259 | 2.1 | 1.1 | 229.5 | 352.1 | 4500 | 6700 | 1200 | 3600 | 7200 | 172 | 250 | 317 | 9.21 |
7036AC | 180 | 280 | 46 | 2.1 | 1.1 | 201.5 | 259 | 2.1 | 1.1 | 216.8 | 334.1 | 4000 | 6000 | 1950 | 5800 | 11500 | 465 | 653 | 821 | 9.21 |
7038C | 190 | 290 | 46 | 2.1 | 1.1 | 211.5 | 269 | 2.1 | 1.1 | 235.1 | 370.8 | 4300 | 6300 | 1300 | 3800 | 7600 | 179 | 260 | 328 | 9.61 |
7038AC | 190 | 290 | 46 | 2.1 | 1.1 | 211.5 | 269 | 2.1 | 1.1 | 222.1 | 351.8 | 3800 | 5600 | 2000 | 6000 | 12000 | 483 | 678 | 852 | 9.61 |
7040C | 200 | 310 | 51 | 2.1 | 1.1 | 220 | 290 | 2.1 | 1.1 | 289.1 | 471.4 | 3800 | 5600 | 1600 | 4800 | 9600 | 186 | 270 | 342 | 12.10 |
7040AC | 200 | 310 | 51 | 2.1 | 1.1 | 220 | 290 | 2.1 | 1.1 | 273.1 | 447.3 | 3600 | 5300 | 2500 | 7500 | 75000 | 504 | 707 | 889 | 12.10 |