1)ZARN0000TN型 普通型滚针和双向推力圆柱滚子组合轴承,该轴承中圈同时作为向心滚针轴承外圈。内圈的宽度同中圈和推力滚子相配和以便当拧紧锁紧螺母时能得到预定的轴向预负荷。
2)ZARN0000LTN型 宽度加长型,该型式轴承一端推力垫圈为加长型,外部为阶梯形。该轴承用于轴承定位圈的轴向支撑不够之处,或者用在由于受到轴承配置空间的限制而无法再在标准轴(定位)圈的径面上使用转动油封之处。
滚针和推力圆柱滚子组合轴承相当于一套双向推力圆柱滚子轴承和一套滚针轴承,能承受轴向、和径向联合载荷,而轴向尺寸较两种轴承相加要小得多,结构紧凑,适用于轴向、径向尺寸受限制的部件中。
结构型式:
轴径 Shaft Diam-eter mm | 型号 Designation | 型号 Designation | 尺寸Dimensions | 基本额定载荷 Basic Load Ratings | 极限转速 Limiting Speed | ||||||||||||||||||||
d | D | H | H1 | H2 | H3 | C | D1 | D2 | D3 | B | B1 | Bc | rs min | ris mn | 径向 Radial | 轴向 Axial | 油oil rpm | 脂 rpm | |||||||
动 Cr | 静 Cor | 动 Cr | 静 Cor | ||||||||||||||||||||||
mm | KN | ||||||||||||||||||||||||
15 | ZARN1545TN | ZARN1545LTN | 15 | 45 | 40 | 28 | 53 | 41 | 16 | 35 | 24 | 34 | 7.5 | 20.5 | 11 | 0.3 | 0.6 | 13 | 17.5 | 24.9 | 53 | 8500 | 2200 | ||
17 | ZARN1747TN | ZARN1547LTN | 17 | 47 | 43 | 29.5 | 57 | 43.5 | 16 | 38 | 28 | 38 | 9 | 23 | 11 | 0.3 | 0.6 | 14 | 19.9 | 26 | 57 | 7800 | 2100 | ||
20 | ZARN2052TN | ZARN2052LTN | 20 | 52 | 46 | 31 | 60 | 45 | 16 | 42 | 30 | 40 | 10 | 24 | 11 | 0.3 | 0.6 | 14.9 | 22.4 | 33.5 | 76 | 7000 | 2000 | ||
ZARN2062TN | ZARN2062LTN | 20 | 62 | 60 | 40 | 75 | 55 | 20 | 52 | 40 | 50 | 12.5 | 27.5 | 11 | 0.3 | 0.6 | 22.6 | 36 | 64 | 141 | 6000 | 1500 | |||
25 | ZARN2557TN | ZARN2557LTN | 25 | 57 | 50 | 35 | 65 | 50 | 20 | 47 | 36 | 45 | 10 | 25 | 11 | 0.3 | 0.6 | 22.6 | 36 | 33.5 | 86 | 6000 | 1900 | ||
ZARN2572TN | ZARN2572LTN | 25 | 72 | 60 | 40 | 75 | 55 | 20 | 62 | 48 | 60 | 12.5 | 27.5 | 11 | 0.3 | 0.6 | 24.3 | 41.5 | 80 | 199 | 4900 | 1400 | |||
30 | ZARN3062TN | ZARN3062LTN | 30 | 62 | 50 | 35 | 65 | 50 | 20 | 52 | 40 | 50 | 10 | 25 | 11 | 0.3 | 0.6 | 24.3 | 41.5 | 39 | 101 | 5500 | 1800 | ||
ZARN3080TN | ZARN3080LTN | 30 | 80 | 66 | 43 | 82 | 59 | 20 | 68 | 52 | 66 | 14 | 30 | 12 | 0.3 | 0.6 | 26 | 47 | 107 | 265 | 4400 | 1300 | |||
35 | ZARN3570TN | ZARN3570LTN | 35 | 70 | 54 | 37 | 70 | 53 | 20 | 60 | 45 | 58 | 11 | 27 | 12 | 0.3 | 0.6 | 26 | 47 | 56 | 148 | 4800 | 1700 | ||
ZARN3585TN | ZARN3585LTN | 35 | 85 | 66 | 43 | 82 | 59 | 20 | 73 | 60 | 73 | 14 | 30 | 12 | 0.3 | 0.6 | 27.5 | 53 | 105 | 265 | 4000 | 1250 | |||
40 | ZARN4075TN | ZARN4075LTN | 40 | 75 | 54 | 37 | 70 | 53 | 20 | 65 | 50 | 63 | 11 | 27 | 12 | 0.3 | 0.6 | 27.5 | 53 | 59 | 163 | 4400 | 1600 | ||
ZARN4090TN | ZARN4090LTN | 40 | 90 | 75 | 50 | 93 | 68 | 25 | 78 | 60 | 78 | 16 | 34 | 12 | 0.3 | 0.6 | 38.0 | 74 | 117 | 315 | 3700 | 1200 | |||
45 | ZARN4580TN 459709 | ZARN4580LTN | 45 | 80 | 60 | 42.5 | 75 | 57.5 | 25 | 70 | 56 | 68 | 11.5 | 26.5 | 12 | 0.3 | 0.6 | 38 | 74 | 61 | 177 | 4000 | 1500 | ||
ZARN45105TN | ZARN45105LTN | 45 | 105 | 82 | 53.5 | 103 | 74.5 | 25 | 90 | 70 | 88 | 17.5 | 38.5 | 14 | 0.3 | 0.6 | 40 | 82 | 154 | 405 | 3300 | 1150 | |||
50 | ZARN5090TN | ZARN5090LTN | 50 | 90 | 60 | 42.5 | 78 | 60.5 | 25 | 78 | 60 | 78 | 11.5 | 29.5 | 12 | 0.3 | 0.6 | 40 | 82 | 90 | 300 | 3600 | 1200 | ||
ZARN50110TN 459710 | ZARN50110LTN | 50 | 110 | 82 | 53.5 | 103 | 74.5 | 25 | 95 | 75 | 93 | 17.5 | 38.5 | 14 | 0.3 | 0.6 | 42 | 90 | 172 | 480 | 3100 | 1100 | |||
55 | ZARN55115TN | ZARN55115LTN | 55 | 115 | 82 | 53.5 | 103 | 74.5 | 25 | 1 | 80 | 98 | 17.5 | 38.5 | 14 | 0.3 | 0.6 | 44 | 98 | 177 | 500 | 2900 | 1000 | ||
60 | ZARN60120TN 459712 | ZARN60120LTN | 60 | 120 | 82 | 53.5 | 103 | 74.5 | 25 | 105 | 90 | 105 | 17.5 | 38.5 | 16 | 0.3 | 0.6 | 44.5 | 92 | 187 | 550 | 2700 | 950 |
说明:
1、 表中所列基本额定载荷、极限转速和重量,仅供选择参考用。
2、 轴承的保持架如由塑料制成,在型号后加TN,允许工作温度:120℃连续,180℃短期。