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英制无内圈实体套圈滚针轴承BR101812
XSP 实体套圈滚针轴承结构紧凑,径向尺寸小,负荷容量大,适用于径向轮廓尺寸受到限制的部件中,在轴或外壳有摆动运动的情况下也广泛采用。滚针轴承一般只能承受径向负荷,不能承受轴向负荷。当有轴向负荷时,应和其它轴承组合使用,它不限制轴或外壳的轴向位移。滚针轴承的极限转速较低,在主机转速较高的情况下,应尽量选用带保持架的滚针轴承,和其它类型的滚动轴承相比,在径向尺寸相同的情况下,滚针轴承负荷容量较大,它的刚性较高,但摩擦力矩也较大。此类轴承有很多种结构及尺寸系列,要求轴颈或外壳滚动表面硬度、加工精度和表面粗糙度应与轴承套圈相同。所组装的 G2 级滚针,分组批直径变动量 2µm 以内,除满装滚针轴承外,均采用高刚性保持架,能够正确地引导滚针平行轴线。无内圈滚针轴承 RNA、 NK 型无内圈滚针轴承适用于径向尺寸受限制的部件中,由于无内圈,与其配合的轴颈表面直接滚动面。要求其表面硬度不低于 HRC60,表面粗糙度 Ra 值不大于 0.63µm,该种轴承不限制或外壳的轴向位移,极限转速较高。有内圈滚针轴承 NA、 NKI 型该种轴承由于内圈无挡边,因此可分别安装内圈、外圈、全套滚针和保持架、不限制轴或外壳的轴向位移。由于用保持架将滚针隔开,减少了摩擦,所以可用在转速较高的部件中。
轴径Shart.dia mm(inch) | 轴承型号 Bearing Designation | 外形尺寸 Boundary Dimensions inch/mm | 标准装配尺寸 Standard mounting dimensions mm | 基本额定负荷 Basic Load Ratings | 极限转速 Limiting Speed Rpm | ||||
动 C | 静 Co | ||||||||
FW | D | C | dhMax | R²Max | kgf | kgf | |||
15.875 | BR 101812 | 15.875 | 28.575 | 19.050 | 24.5 | 0.6 | 1930 | 2010 | 25000 |
19.050 | BR 122012 | 19.050 | 31.750 | 19.050 | 26.5 | 1 | 2220 | 2490 | 20000 |
BR 122016 | 19.050 | 31.750 | 25.400 | 26.5 | 1 | 2810 | 3380 | 20000 | |
22.225 | BR 142212 | 22.225 | 34.925 | 19.050 | 29.7 | 1 | 2340 | 2770 | 18000 |
BR 142216 | 22.225 | 34.925 | 25.400 | 29.7 | 1 | 2970 | 3760 | 18000 | |
25.400 | BR 162412 | 25.400 | 38.100 | 19.050 | 32.9 | 1 | 2580 | 3250 | 16000 |
BR 162416 | 25.400 | 38.400 | 25.400 | 32.9 | 1 | 3280 | 4420 | 16000 | |
28.575 | BR 182616 | 28.575 | 41.275 | 25.400 | 36 | 1 | 3560 | 5090 | 14000 |
BR 182620 | 28.575 | 41.275 | 31.750 | 36 | 1 | 4410 | 6690 | 14000 | |
31.750 | BR 202816 | 31.750 | 44.450 | 25.400 | 39.2 | 1 | 3670 | 5450 | 13000 |
BR 202820 | 31.750 | 44.450 | 31.750 | 39.2 | 1 | 4550 | 7180 | 13000 | |
34.925 | BR 223016 | 34.925 | 47.625 | 25.400 | 42.4 | 1 | 3930 | 6120 | 11000 |
BR 223020 | 34.925 | 47.625 | 31.750 | 42.4 | 1 | 4870 | 8060 | 11000 | |
38.100 | BR 243316 | 38.100 | 52.388 | 35.400 | 45.1 | 1.5 | 4460 | 6820 | 11000 |
BR 243320 | 38.100 | 52.388 | 31.750 | 45.1 | 1.5 | 5530 | 8980 | 11000 | |
41.275 | BR 263516 | 41.275 | 55.562 | 25.400 | 48.3 | 1.5 | 4570 | 7230 | 9500 |
BR 263520 | 41.275 | 55.562 | 31.750 | 48.3 | 1.5 | 5670 | 9530 | 9500 | |
44.450 | BR 283716 | 44.450 | 58.738 | 25.400 | 51.5 | 1.5 | 4850 | 7980 | 9000 |
BR 283720 | 44.450 | 58.738 | 31.750 | 51.5 | 1.5 | 6010 | 10500 | 9000 | |
BR 283820 | 44.450 | 60.325 | 31.750 | 53.1 | 1.5 | 6010 | 10500 | 9000 | |
47.625 | BR 303920 | 47.625 | 61.912 | 31.750 | 54.7 | 1.5 | 6130 | 11000 | 8500 |
50.800 | BR 324116 | 50.800 | 65.088 | 25.400 | 57.8 | 1.5 | 5200 | 9110 | 8000 |
BR 324120 | 50.800 | 65.088 | 31.750 | 57.8 | 1.5 | 6440 | 12000 | 8000 | |
57.150 | BR 364824 | 57.150 | 76.200 | 38.100 | 69 | 1.5 | 9200 | 16100 | 7000 |
BR 364828 | 57.150 | 76.200 | 44.450 | 69 | 1.5 | 10700 | 19500 | 7000 | |
63.500 | BR 405224 | 63.500 | 82.550 | 38.100 | 74.3 | 2 | 9640 | 17700 | 6500 |
BR 405228 | 63.500 | 82.550 | 44.450 | 74.3 | 2 | 11200 | 21400 | 6500 | |
69.850 | BR 445624 | 69.850 | 88.900 | 38.100 | 80.7 | 2 | 10100 | 19300 | 5500 |
BR 445628 | 69.850 | 88.900 | 44.450 | 80.7 | 2 | 11700 | 23300 | 5500 | |
76.200 | BR 486024 | 76.200 | 95.250 | 38.100 | 87 | 2 | 10700 | 21600 | 5500 |
BR 486028 | 76.200 | 95.250 | 44.450 | 87 | 2 | 12400 | 26100 | 5500 | |
82.550 | BR 526828 | 82.550 | 107.950 | 44.450 | 99.7 | 2 | 14400 | 26400 | 5000 |
BR 526832 | 82.550 | 107.950 | 50.800 | 99.7 | 2 | 15700 | 29500 | 5000 | |
88.900 | BR 567232 | 88.900 | 114.300 | 50.800 | 106.1 | 2 | 16500 | 32100 | 4500 |
95.250 | BR 607632 | 95.250 | 120.650 | 50.800 | 111.4 | 2.5 | 17200 | 34900 | 4000 |
101.600 | BR 648032 | 101.600 | 127.000 | 50.800 | 117.8 | 2.5 | 18000 | 37500 | 4000 |