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雙列圓柱滾子軸承
后退外形尺寸(mm) | 基本負(fù)荷(KN) | 極限轉(zhuǎn)速(r/min) | 重量(KG) | ||||||||
型號(hào) | 原代號(hào) | d | D | B | rsmin | r2smin | 動(dòng) | 靜 | 脂潤(rùn)滑 | 油潤(rùn)滑 | |
NNU4138 | - | 190 | 320 | 128 | 3 | 3 | 1200 | 2000 | 1400 | 1800 | 41.5 |
NNU4138K | - | 190 | 320 | 128 | 3 | 3 | 1200 | 2000 | 1400 | 1800 | 41 |
NNU4840 | - | 200 | 250 | 50 | 1.1 | 1.1 | 240 | 540 | 1900 | 2400 | 5.8 |
NNU4840K | - | 200 | 250 | 50 | 1.1 | 1.1 | 240 | 540 | 1900 | 2400 | 5.75 |
NNU4940 | 4482940 | 200 | 280 | 80 | 2.1 | 2.1 | 480 | 950 | 1800 | 2300 | 15 |
NNU4940K | 4382940 | 200 | 280 | 80 | 2.1 | 2.1 | 480 | 950 | 1800 | 2300 | 14.5 |
NN3040 | 3282140 | 200 | 310 | 82 | 2.1 | 2.1 | 640 | 1100 | 1600 | 2000 | 22.5 |
NN3040K | 3182140 | 200 | 310 | 82 | 2.1 | 2.1 | 640 | 1100 | 1600 | 2000 | 22 |
NNU4140 | - | 200 | 340 | 140 | 3 | 3 | 1350 | 2300 | 1400 | 1700 | 52 |
NNU4140K | - | 200 | 340 | 140 | 3 | 3 | 1350 | 2300 | 1400 | 1700 | 50 |
NNU4944 | 4482944 | 220 | 300 | 80 | 2.1 | 2.1 | 480 | 1050 | 1600 | 2000 | 17 |
NNU4944K | 4382944 | 220 | 300 | 80 | 2.1 | 2.1 | 480 | 1050 | 1600 | 2000 | 16.5 |
NN3044 | 3282144 | 220 | 340 | 90 | 3 | 3 | 790 | 1400 | 1400 | 1800 | 31 |
NN3044K | 3182144 | 220 | 340 | 90 | 3 | 3 | 790 | 1400 | 1400 | 1800 | 30.5 |
NNU4144 | - | 220 | 370 | 150 | 4 | 4 | 150 | 2650 | 1200 | 1500 | 66 |
NNU4144K | - | 220 | 370 | 150 | 4 | 4 | 1500 | 2650 | 1200 | 1500 | 65 |
NNU4848 | - | 240 | 300 | 60 | 1.1 | 1.1 | 350 | 850 | 1800 | 2200 | 10 |
NNU4848K | - | 240 | 300 | 60 | 1.1 | 1.1 | 350 | 850 | 1800 | 2200 | 9.8 |
NNU4948 | 4482948 | 240 | 320 | 80 | 2.1 | 2.1 | 500 | 1100 | 1600 | 2000 | 18 |
NNU4948K | 4382948 | 240 | 320 | 80 | 2.1 | 2.1 | 500 | 1100 | 1600 | 2000 | 17.5 |
NN3048 | 3282148 | 240 | 360 | 92 | 3 | 3 | 810 | 1550 | 1400 | 1800 | 32 |
NN3048K | 3182148 | 240 | 360 | 92 | 3 | 3 | 810 | 1550 | 1400 | 1800 | 31.5 |
NNU4148 | - | 240 | 400 | 160 | 4 | 4 | 1800 | 3300 | 1100 | 1400 | 86 |
NNU4148K | - | 240 | 400 | 160 | 4 | 4 | 1800 | 3300 | 1100 | 1400 | 85 |
NNU4952 | 4482952 | 260 | 360 | 100 | 2.1 | 2.1 | 710 | 1500 | 1400 | 1800 | 30 |
NNU4952K | 4382952 | 260 | 360 | 100 | 2.1 | 2.1 | 710 | 1500 | 1400 | 1800 | 29 |
NN3052 | 3282152 | 260 | 400 | 104 | 4 | 4 | 960 | 1800 | 1300 | 1600 | 48 |
NN3052K | 3182152 | 260 | 400 | 104 | 4 | 4 | 960 | 1800 | 1300 | 1600 | 47 |
NNU4052 | - | 260 | 400 | 140 | 4 | 4 | 1500 | 2850 | 1200 | 1500 | 64 |
NNU4052K | - | 260 | 400 | 140 | 4 | 4 | 1500 | 2850 | 1200 | 1500 | 63.5 |