單列圓柱滾子軸承
單列圓柱滾子軸承由內(nèi)圈、外圈、圓柱滾子等零件組成，根據(jù)內(nèi)外圈擋邊設(shè)置不同，可細(xì)分為NU、NJ、N、NUP等多種不同設(shè)計(jì)，適用于較高徑向載荷和高轉(zhuǎn)速工況。
單列圓柱滾子軸承由內(nèi)圈、外圈、圓柱滾子等零件組成，根據(jù)內(nèi)外圈擋邊設(shè)置不同，可細(xì)分為NU、NJ、N、NUP等多種不同設(shè)計(jì)，適用于較高徑向載荷和高轉(zhuǎn)速工況。
| 型號(hào) | 主要尺寸及數(shù)據(jù) | 其他數(shù)據(jù) | |||||||||
| 帶標(biāo)準(zhǔn)保持架的軸承 | 備選標(biāo)準(zhǔn)保持架 | 角圈 | d | D | B | r1,2 min | m | Cr | Cor | nB | nG |
| mm | kg | kN | r/min | ||||||||
| NJ204ECP | ML,PHA | – | 20 | 47 | 14 | 1 | 0.11 | 28.5 | 22 | 17000 | 19000 |
| NU204ECP | ML,PHA | – | 20 | 47 | 14 | 1 | 0.11 | 28.5 | 22 | 17000 | 19000 |
| NUP204ECP | ML,PHA | – | 20 | 47 | 14 | 1 | 0.12 | 28.5 | 22 | 17000 | 19000 |
| NJ2204ECP | – | – | 20 | 47 | 18 | 1 | 0.14 | 34.5 | 27.5 | 17000 | 19000 |
| NU2204ECP | – | – | 20 | 47 | 18 | 1 | 0.14 | 34.5 | 27.5 | 17000 | 19000 |
| NU304ECP | – | HJ304EC | 20 | 52 | 15 | 1.1 | 0.14 | 35.5 | 26 | 15000 | 18000 |
| N304ECP | – | – | 20 | 52 | 15 | 1.1 | 0.15 | 35.5 | 26 | 15000 | 18000 |
| NJ304ECP | – | HJ304EC | 20 | 52 | 15 | 1.1 | 0.15 | 35.5 | 26 | 15000 | 18000 |
| NUP304ECP | – | – | 20 | 52 | 15 | 1.1 | 0.16 | 35.5 | 26 | 15000 | 18000 |
| NU2304ECP | – | – | 20 | 52 | 21 | 1.1 | 0.21 | 47.5 | 38 | 15000 | 18000 |
| NJ2304ECP | – | – | 20 | 52 | 21 | 1.1 | 0.22 | 47.5 | 38 | 15000 | 18000 |
| NUP2304ECP | – | – | 20 | 52 | 21 | 1.1 | 0.22 | 47.5 | 38 | 15000 | 18000 |
| NU1040ML | M | HJ 1040 | 200 | 310 | 51 | 2.1 | 14 | 380 | 570 | 2400 | 3600 |
| NU240ECML | M | HJ 240 | 200 | 360 | 58 | 4 | 26.5 | 880 | 1060 | 1900 | 3200 |
| NJ240ECML | M | HJ 240 | 200 | 360 | 58 | 4 | 27 | 880 | 1060 | 1900 | 3200 |
| NJ2240ECML | – | – | 200 | 360 | 98 | 4 | 44 | 1370 | 1800 | 1900 | 3200 |
| NU2240ECML | – | – | 200 | 360 | 98 | 4 | 44 | 1370 | 1800 | 1900 | 3200 |
| NJ340ECML | – | – | 200 | 420 | 80 | 5 | 56.5 | 1230 | 1630 | 1400 | 2800 |
| NU340ECML | – | – | 200 | 420 | 80 | 5 | 57 | 1230 | 1630 | 1400 | 2800 |
| NU2340ECML | – | – | 200 | 420 | 138 | 5 | 92.5 | 1980 | 2800 | 1400 | 2800 |
| NJ2340ECML | – | – | 200 | 420 | 138 | 5 | 94 | 1980 | 2800 | 1400 | 2800 |
| NJ1044ML | M | HJ 1044 | 220 | 340 | 56 | 3 | 18.5 | 495 | 735 | 2200 | 3200 |
| NU1044ML | - | HJ 1044 | 220 | 340 | 56 | 3 | 18.5 | 495 | 735 | 2200 | 3200 |
| NJ244ECML | M | HJ 244 EC | 220 | 400 | 65 | 4 | 37 | 1060 | 1290 | 1700 | 3000 |
| NU244ECML | M | HJ 244 EC | 220 | 400 | 65 | 4 | 37 | 1060 | 1290 | 1700 | 3000 |
| NUP244ECML | M | – | 220 | 400 | 65 | 4 | 37.5 | 1060 | 1290 | 1700 | 3000 |
| NU2244ECML | – | – | 220 | 400 | 108 | 4 | 58 | 1570 | 2280 | 1600 | 3000 |
| NJ2244ECML | – | – | 220 | 400 | 108 | 4 | 60 | 1570 | 2280 | 1600 | 3000 |
| NJ344M | – | – | 220 | 460 | 88 | 5 | 73.5 | 1210 | 1630 | 1500 | 1700 |
| NU344M | – | – | 220 | 460 | 88 | 5 | 75 | 1210 | 1630 | 1500 | 1700 |
| NU2344ECML | – | – | 220 | 460 | 145 | 5 | 118 | 2380 | 3450 | 1300 | 2600 |
| NU1048ML | M | HJ 1048 | 240 | 360 | 56 | 3 | 19.5 | 523 | 800 | 2000 | 3000 |
| NU248MA | – | – | 240 | 440 | 72 | 4 | 51.5 | 952 | 1370 | 1600 | 2200 |
| NJ248MA | – | – | 240 | 440 | 72 | 4 | 53 | 952 | 1370 | 1600 | 2200 |
| NUP248MA | – | – | 240 | 440 | 72 | 4 | 53 | 952 | 1370 | 1600 | 2200 |
| NU2248MA | – | – | 240 | 440 | 120 | 4 | 84 | 1450 | 2360 | 1500 | 2200 |
| NJ2248MA | – | – | 240 | 440 | 120 | 4 | 86 | 1450 | 2360 | 1500 | 2200 |
| NU348MA | – | – | 240 | 500 | 95 | 5 | 94.5 | 1450 | 2000 | 1300 | 2000 |
| NJ348MA | – | – | 240 | 500 | 95 | 5 | 98.5 | 1450 | 2000 | 1300 | 2000 |
| NU2348ECML | – | – | 240 | 500 | 155 | 5 | 137 | 2750 | 4000 | 1200 | 2400 |
| NU1005 | – | 25 | 47 | 12 | 0.6 | 0.082 | 14.2 | 13.2 | 18000 | 18000 | |
| N205ECP | – | – | 25 | 52 | 15 | 1 | 0.13 | 32.5 | 27 | 15000 | 16000 |
| NU205ECP | J,ML,PH,PHA | HJ205EC | 25 | 52 | 15 | 1 | 0.13 | 32.5 | 27 | 15000 | 16000 |
| NJ205ECP | J,ML,PH,PHA | – | 25 | 52 | 15 | 1 | 0.14 | 32.5 | 27 | 15000 | 16000 |
| NUP205ECP | J,ML,PH,PHA | – | 25 | 52 | 15 | 1 | 0.14 | 32.5 | 27 | 15000 | 16000 |
| NU2205ECP | ML,PH | HJ2205EC | 25 | 52 | 18 | 1 | 0.16 | 39 | 34 | 15000 | 16000 |
| NJ2205ECP | ML,PH | HJ2205EC | 25 | 52 | 18 | 1 | 0.17 | 39 | 34 | 15000 | 16000 |
| NUP2205ECP | ML,PH | – | 25 | 52 | 18 | 1 | 0.17 | 39 | 34 | 15000 | 16000 |
| N305ECP | – | – | 25 | 62 | 17 | 1.1 | 0.23 | 46.5 | 36.5 | 12000 | 15000 |
| NU305ECP | J,ML | HJ 305 EC | 25 | 62 | 17 | 1.1 | 0.23 | 46.5 | 36.5 | 12000 | 15000 |
