| 基本尺寸 | 重量 | 轴 承 型 号 | |||
| Principal Dimensions | Wt | Bearing Number | |||
| d | D | B | 新型号 | 老型号 | |
| mm | kg | New | Old | ||
| 100 | 150 | 24 | 1.5 | NU1020 | 32120 |
| 180 | 34 | 3.45 | N220 | 2220 | |
| 180 | 34 | 3.55 | NF220 | 12220 | |
| 180 | 34 | 3.52 | NU220 | 32220 | |
| 180 | 34 | 3.61 | NJ220 | 42220 | |
| 180 | 46 | 5.2 | NU2220 | 32520 | |
| 180 | 46 | 5.6 | NJ2220 | 42520 | |
| 215 | 73 | 13.1 | N2320 | 2620 | |
| 215 | 73 | 13.2 | NU2320 | 32620 | |
| 215 | 73 | 13.5 | NJ2320 | 42620 | |
| 250 | 58 | 15.4 | N420 | 2420 | |
| 250 | 58 | 15.5 | NU420 | 32420 | |
| 250 | 58 | 15.9 | NJ420 | 42420 | |
| 105 | 160 | 26 | I.85 | N1021 | 2121 |
| 160 | 26 | 1.9 | NF1021 | 12121 | |
| 160 | 26 | 1.9 | NU1021 | 32121 | |
| 190 | 36 | 4.33 | N221 | 2221 | |
| 190 | 36 | 4.5 | NJ221 | 4222l | |
| 190 | 36 | 3.95 | N221E | 2221E | |
| 190 | 36 | 4 | NU221E | 32221E | |
| 190 | 36 | 4l | NJ221E | 42221E | |
| 190 | 36 | 42 | NUP221E | 92221E | |
| 225 | 49 | 10.5 | N321E | 2321E | |
| 225 | 49 | 10.6 | NU321E | 32321E | |
| 225 | 49 | 10.7 | NJ321E | 42321E | |
| 260 | 60 | 17.2 | N421 | 2421 | |
| 260 | 60 | 18 | NU421 | 3242l | |
| 110 | 170 | 28 | 2.31 | N1022 | 2122 |
| 170 | 28 | 2.32 | NU1022 | 32122 | |
| 200 | 38 | 5.02 | N222 | 2222 | |
| 200 | 38 | 5.05 | NU222 | 32222 | |
| 200 | 38 | 5.1 | NJ222 | 42222 | |
| 200 | 38 | 5.27 | N222E | 2222E | |
| 200 | 38 | 5.3 | NU222E | 32222E | |
| 200 | 38 | 5.32 | NJ222E | 42222E | |
| 200 | 38 | 5.5 | NUP222E | 92222E | |
| 200 | 53 | 7.63 | NU2222 | 32522 | |
| 200 | 53 | 7.83 | NJ2222 | 42522 | |
| 200 | 53 | 6.7 | NU2222E | 32522E | |
| 200 | 53 | 6.85 | NJ2222E | 42522E | |
| 200 | 53 | 7 | NUP2222E | 92522E | |
| 240 | 50 | 11.4 | N322 | 2322 | |
| 240 | 50 | 11.6 | NU322 | 32322 | |
| 240 | 50 | 11.8 | NJ322 | 42322 | |
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