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| 轴承现行代号 | 外形尺寸(mm) | 重量 | ||
| d | D | T | (kg) | |
| NA 4900 | 10 | 22 | 13 | 0.0273 |
| NA 4900A | 10 | 22 | 13 | 0.0273 |
| NA 4900-RS | 10 | 22 | 13 | 0.0273 |
| NA 4900-2RS | 10 | 22 | 14 | 0.028 |
| NA 4901 | 12 | 24 | 13 | 0.03 |
| NA 4901A | 12 | 24 | 13 | 0.03 |
| NA 4901K | 12 | 24 | 13 | 0.03 |
| NA 4901-RS | 12 | 24 | 13 | 0.03 |
| NA 4901-2RS | 12 | 24 | 14 | 0.031 |
| NA 4902 | 15 | 28 | 13 | 0.034 |
| NA 4902A | 15 | 28 | 13 | 0.034 |
| NA 4902-RS | 15 | 28 | 13 | 0.034 |
| NA 4902-2RS | 15 | 28 | 14 | 0.035 |
| NA 4903 | 17 | 30 | 13 | 0.037 |
| NA 4903A | 17 | 30 | 13 | 0.037 |
| NA 4903-RS | 17 | 30 | 13 | 0.037 |
| NA 4903-2RS | 17 | 30 | 14 | 0.038 |
| NA 4904 | 20 | 37 | 17 | 0.0798 |
| NA 4904A | 20 | 37 | 17 | 0.061 |
| NA 4904A/YA2 | 20 | 37 | 17 | 0.085 |
| NA 4904-RS | 20 | 37 | 17 | 0.085 |
| NA 4904-2RS | 20 | 37 | 18 | 0.091 |
| NA 49/22 | 22 | 39 | 17 | 0.0815 |
| NA 49/22/P6 | 22 | 39 | 17 | 0.082 |
| NA 4905 | 25 | 42 | 17 | 0.096 |
| NA 4905A | 25 | 42 | 17 | 0.096 |
| NA 4905V | 25 | 42 | 17 | 0.096 |
| NA 4905-RS | 25 | 42 | 17 | 0.096 |
| NA 4905-2RS | 25 | 42 | 18 | 0.097 |
| NA 49/28 | 28 | 45 | 17 | 0.098 |
| NA 49/28/P6 | 28 | 45 | 17 | 0.098 |
| NA 4906 | 30 | 47 | 17 | 0.115 |
| NA 4906A | 30 | 47 | 17 | 0.109 |
| NA 4906/I'6 | 30 | 47 | 17 | 0.109 |
| NA 4906-RS | 30 | 47 | 17 | 0.109 |
| NA 4906-2RS | 30 | 47 | 18 | 0.11 |
| NA 49/32 | 32 | 52 | 20 | 0.179 |
| NA 4907 | 35 | 55 | 20 | 0.179 |
| NA 4907-RS | 35 | 55 | 20 | 0.179 |
| NA 4907-2RS | 35 | 55 | 21 | 0.19 |
| NA 4907A | 35 | 55 | 20 | 0.179 |
| NA 4907A/P6 | 35 | 55 | 20 | 0.179 |
| NA 4908 | 40 | 62 | 22 | 0.24 |
| NA 4908A | 40 | 62 | 22 | 0.266 |
| NA 4908-RS | 40 | 62 | 22 | 0.266 |
| NA 4908-2RS | 40 | 62 | 23 | 0.28 |
| NA 4909 | 45 | 68 | 22 | 0.298 |
| NA 4909A | 45 | 68 | 22 | 0.298 |
| NA 4909-RS | 45 | 68 | 22 | 0.298 |
| NA 4909-2RS | 45 | 68 | 23 | 0.31 |
| NA 4910 | 50 | 72 | 22 | 0.274 |
| NA 4910A | 50 | 72 | 22 | 0.319 |
| NA 4910-RS | 50 | 72 | 22 | 0.319 |
| NA 4910-2RS | 50 | 72 | 23 | 0.32 |
| NA 4911 | 55 | 80 | 25 | 0.393 |
| NA 4911A | 55 | 80 | 25 | 0.393 |
| NA 4911A/C2 | 55 | 80 | 25 | 0.393 |
| NA 4911-2RS | 55 | 80 | 25 | 0.393 |
| NA 4912 | 60 | 85 | 25 | 0.477 |
| NA 4912A | 60 | 85 | 25 | 0.477 |
| NA 4912-2RS | 60 | 85 | 26 | 0.48 |
| NA 4913 | 65 | 90 | 25 | 0.521 |
| NA 4913A | 65 | 90 | 25 | 0.521 |
| NA 4913/P52 | 65 | 90 | 25 | 0.521 |
| NA 4914 | 70 | 100 | 30 | 0.825 |
| NA 4914A | 70 | 100 | 30 | 0.825 |
| NA 4914A/C2 | 70 | 100 | 30 | 0.825 |
| NA 4914R | 70 | 100 | 30 | 0.825 |
| NA 4914-2RS | 70 | 100 | 32 | 0.84 |
| NA 4915 | 75 | 105 | 30 | 0.9 |
| NA 4916 | 80 | 110 | 30 | 0.91 |
| NA 4916A/P6 | 80 | 110 | 30 | 0.91 |
| NA 4917 | 85 | 120 | 35 | 1.39 |
| NA 4917A | 85 | 120 | 35 | 1.39 |
| NA 4918 | 90 | 125 | 35 | 1.43 |
| NA 4918A/C9 | 90 | 125 | 35 | 1.43 |
| NA 4919 | 95 | 130 | 35 | 1.52 |
| NA 4920 | 100 | 140 | 40 | 1.93 |
| NA 4920A | 100 | 140 | 40 | 1.93 |
| NA 4922 | 110 | 150 | 40 | 2.28 |
| NA 4922A | 110 | 150 | 40 | 2.28 |
| NA 4924 | 120 | 165 | 45 | 2.35 |
| NA 4926 | 130 | 180 | 50 | 2.46 |
| NA 4928 | 140 | 190 | 50 | 3.12 |
