| 主要尺寸/mm | 中国 | SKF | NSK | FAG | NTN | |
| d*D*B | 轴承代号 | 旧轴承代号 | ||||
| 100*140*40 | NNU4920 | 4482920 | | NNU4920 | | NNU4920 |
| 105*145*40 | NNU4921 | 4482921 | | NNU4921 | | NNU4921 |
| 110*150*40 | NNU4922 | 4482922 | | NNU4922 | | NNU4922 |
| 120*165*45 | NNU4924 | 4482924 | | NNU4924 | | NNU4924 |
| 130*180*50 | NNU4926 | 4482926 | | NNU4926 | | NNU4926 |
| 140*190*50 | NNU4928 | 4482928 | | NNU4928 | | NNU4928 |
| 150*210*60 | NNU4930 | 4482930 | | NNU4930 | | NNU4930 |
| 160*220*60 | NNU4934 | 4482932 | | NNU4932 | | NNU4932 |
| 170*230*60 | NNU4934 | 4482964 | | NNU4934 | | NNU4934 |
| 180*250*69 | NNU4936 | 4482936 | | NNU4936 | | NNU4936 |
| 190*260*69 | NNU4938 | 4482938 | | NNU4938 | | NNU4938 |
| 200*280*80 | NNU4940 | 4482940 | | NNU4940 | | NNU4940 |
| 220*300*80 | NNU4944 | 4482944 | | NNU4944 | | NNU4944 |
| 240*320*80 | NNU4948 | 4482948 | | NNU4948 | | NNU4948 |
| 260*360*100 | NNU4952 | 4482952 | | NNU4952 | | NNU4952 |
| 280*380*100 | NNU4956 | 4482956 | | NNU4956 | | NNU4956 |
| 300*420*118 | NNU4960 | 4482960 | | NNU4960 | | NNU4960 |
| 320*440*118 | NNU4964 | 4482964 | | NNU4964 | | NNU4964 |
| 340*460*118 | NNU4968 | 4482968 | | NNU4968 | | NNU4968 |
| 360*480*118 | NNU4972 | 4482972 | | NNU4972 | | NNU4972 |
| 380*520*140 | NNU4976 | 4482976 | | NNU4976 | | NNU4976 |
| 400*540*140 | NNU4980 | 4480980 | | NNU4980 | | NNU4980 |
| 420*560*140 | NNU4984 | 4482984 | | NNU4984 | | NNU4984 |
| 440*600*160 | NNU4988 | 4482988 | | NNU4988 | | NNU4988 |
| 460*620*160 | NNU4992 | 4482992 | | NNU4992 | | NNU4992 |
| 480*650*170 | NNU4996 | 4482996 | | NNU4996 | | NNU4996 |
| 500*570*170 | NNU49/500 | 44829/500 | | NNU49/500 | | NNU49/500 |
| 530*710*180 | NNU49/530 | 44829/530 | | NNU49/530 | | NNU49/530 |
| 560*450*190 | NNU49/560 | 44829/560 | | NNU49/560 | | NNU49/560 |
| 600*800*200 | NNU49/600 | 44829/600 | | NNU49/600 | | NNU49/600 |
| 主要尺寸/mm | 中国 | SKF | NSK | FAG | NTN | |
| d*D*B | 轴承代号 | 旧轴承代号 | ||||
| 100*140*40 | NNU4920K | 4382920 | | NNU4920K | | NNU4920K |
| 105*145*40 | NNU4921K | 4382921 | | NNU4921K | | NNU4921K |
| 110*150*40 | NNU4922K | 4382922 | | NNU4922K | | NNU4922K |
| 120*165*45 | NNU4924K | 4382924 | | NNU4924K | | NNU4924K |
| 130*180*50 | NNU4926K | 4382926 | | NNU4926K | | NNU4926K |
| 140*190*50 | NNU4928K | 4382928 | | NNU4928K | | NNU4928K |
| 150*210*60 | NNU4930K | 4382930 | | NNU4930K | | NNU4930K |
| 160*220*60 | NNU4932K | 4382932 | | NNU4932K | | NNU4932K |
| 170*230*60 | NNU4934K | 4382934 | | NNU4934K | | NNU4934K |
| 180*250*69 | NNU4936K | 4382936 | | NNU4936K | | NNU4936K NNU4936K |
| 190*260*69 | NNU4938K | 4382938 | | NNU4938K | | NNU4938K |
| 200*280*80 | NNU4940K | 4382940 | | NNU4940K | | NNU4940K |
| 220*300*80 | NNU4944K | 4382944 | | NNU4944K | | NNU4944K |
| 240*320*80 | NNU4948K | 4382948 | | NNU4948K | | NNU4948K |
| 260*360*100 | NNU4952K | 4382952 | | NNU4952K | | NNU4952K |
| 280*380*100 | NNU4956K | 4382956 | | NNU4956K | | NNU4956K |
| 300*420*118 | NNU4960K | 4382960 | | NNU4960K | | NNU4960K |
| 320*440*118 | NNU4964K | 4382964 | | NNU4964K | | NNU4964K |
| 340*460*118 | NNU4968K | 4382968 | | NNU4968K | | NNU4968K |
| 360*480*118 | NNU4972K | 4382972 | | NNU4972K | | NNU4972K |
| 380*520*140 | NNU4976K | 4382976 | | NNU4976K | | NNU4976K |
| 400*540*140 | NNU4980K | 4382980 | | NNU4980K | | NNU4980K |
| 420*560*140 | NNU4984K | 4382984 | | NNU4984K | | NNU4984K |
| 440*600*160 | NNU4988K | 4382988 | | NNU4988K | | NNU4988K |
| 460*620*160 | NNU4992K | 4382992 | | | | NNU4992K |
| 480*650*170 | NNU4996K | 4382996 | | | | NNU4996K |
| 500*670*170 | NNU49/500K | 43829/500 | | | | NNU49/500K |
| 530*710*180 | NNU49/530K | 43829/530 | | | | |
| 560*750*190 | NNU49/560K | 43829/560 | | | | |
| 600*800*200 | NNU49/600K | 43829/600 | | | | |
| 主要尺寸/mm | 中国 | SKF | NSK | FAG | NTN | |
| d*D*B | 轴承代号 | 旧轴承代号 | ||||
| 25*47*16 | NN3005K/W33 | 3182105K | | | | |
| 30*55*19 | NN3006K/W33 | 3182106K | | | NN3006ASK | |
| 35*62*20 | NN3007K/W33 | 3182107K | | | NN3007ASK | |
| 40*68*213 | NN3008K/W33 | 3182108K | | | NN3008ASK | |
| 45*75*23 | NN3009K/W33 | 3182109K | | | NN3009ASK | |
| 50*80*23 | NN3010K/W33 | 3182110K | | | NN3010ASK | |
| 55*90*26 | NN3011K/W33 | 3182111K | | | NN3011ASK | |
| 60*95*26 | NN3012K/W33 | 3182112K | | | NN3012ASK | |
| 65*100*26 | NN3013K/W33 | 3182113K | | | NN3013ASK | |
| 70*110*30 | NN3014K/W33 | 3182114K | | | NN3014ASK | |
| 75*115*30 | NN3015K/W33 | 3182115K | | | NN3015ASK | |
| 80*125*34 | NN3016K/W33 | 3182116K | | | NN3016ASK | |
| 85*130*34 | NN3017K/W33 | 3182117K | | | NN3017ASK | |
| 90*140*37 | NN3018K/W33 | 3182118K | | | NN3018ASK | |
| 95*37 | NN3019K/W33 | 3182119K | | | NN3019ASK | |
| 100*150*37 | NN3020K/W33 | 3182120K | NN3020K/W33 | | NN3020ASK | |
| 105*160*41 | NN3021K/W33 | 3182121K | | | NN3021ASK | |
| 110*170*45 | NN3022K/W33 | 3182122K | NN3022K/W33 | | NN3022ASK | |
| 120*180*46 | NN3024K/W33 | 3282124K | NN3024K/W33 | | NN3024ASK | |
| 130*200*52 | NN3026K/W33 | 3282126K | NN3026K/W33 | | NN3026ASK | |
| 140*210*53 | NN3028K/W33 | 3182128K | NN3028K/W33 | | NN3028ASK | |
| 150*225*56 | NN3030K/W33 | 3182130K | NN3030K/W33 | | NN3030ASK | |
| 160*240*60 | NN3032K/W33 | 3182132K | NN3032K/W33 | | NN3032ASK | |
| 170*260*67 | NN3034K/W33 | 3182134K | NN3034K/W33 | | NN3034ASK | |
| 180*280*74 | NN3036K/W33 | 3182136K | NN3036K/W33 | | NN3036ASK | |
| 190*290*75 | NN3038K/W33 | 3182138K | NN3038K/W33 | | NN3038ASK | |
| 200*310*82 | NN3040K/W33 | 3182140K | NN3040K/W33 | | NN3040ASK | |
| 220*340*90 | NN3044K/W33 | 3182144K | NN3044K/W33 | | NN3044ASK | |
| 240*360*92 | NN3048K/W33 | 3182148K | NN3048K/W33 | | NN3048ASK | |
| 260*400*104 | NN3052K/W33 | 3182152K | NN3052K/W33 | | NN3052ASK | |
| 280*420*106 | NN3056K/W33 | 3182156K | NN3056K/W33 | | NN3056ASK | |
| 300*460*118 | NN3060K/W33 | 3182160K | NN3060K/W33 | | NN3060ASK | |
| 320*480*121 | NN3064K/W33 | 3182164K | NN3064K/W33 | | NN3064ASK | |
| 340*520*133 | NN3068K/W33 | 3182168K | NN3068K/W33 | | NN3068ASK | |
| 360*540*134 | NN3072K/W33 | 3182172K | NN3072K/W33 | | NN3072ASK | |
| 380*560*135 | NN3076K/W33 | 3182176K | NN3076K/W33 | | NN3076ASK | |
| 400*600*148 | NN3080K/W33 | 3182180K | | | NN3080ASK | |
| 420*620*150 | NN3084K/W33 | 3182184K | | | NN3084ASK | |
| 440*650*157 | NN3088K/W33 | 3182188K | NN3088K/W33 | | NN3088ASK | |
| 460*680*163 | NN3092K/W33 | 3182192K | NN3092K/W33 | | NN3092ASK | |
| 480*700*165 | NN3096K/W33 | 3182196K | NN3096K/W33 | | NN3096ASK | |
| 主要尺寸/mm | 中国 | SKF | NSK | FAG | NTN | |
| d*D*B | 轴承代号 | 旧轴承代号 | ||||
| 100*140*40 | NNU4920/W33 | 4382920K | NNU4920B/W33 | | NNU4920S | |
| 105*145*40 | NNU4921/W33 | 4382921K | | | NNU4921S | |
| 100*150*40 | NNU4922/W33 | 4382922K | NNU4922B/W33 | | NNU4922S | |
| 120*165*45 | NNU4924/W33 | 4382924K | NNU4924B/W33 | | NNU4924S | |
| 130*180*52 | NNU4926/W33 | 4382926K | NNU4926B/W33 | | NNU4926S | |
| 140*190*52 | NNU4928/W33 | 1382928K | NNU4928B/W33 | | NNU4928S | |
| 150*210*60 | NNU4930/W33 | 4382930K | NNU4930B/W33 | | NNU4930S | |
| 160*220*60 | NNU4932/W33 | 4382932K | NNU4932B/W33 | | NNU4932S | |
| 170*230*60 | NNU4934/W33 | 4382934K | NNU4934B/W33 | | NNU4934S | |
| 180*250*69 | NNU4936/W33 | 4382936K | NNU4936B/W33 | | NNU4936S | |
| 190*260*69 | NNU4938/W33 | 4382938K | NNU4938B/W33 | | NNU4938S | |
| 200*280*80 | NNU4940/W33 | 4382940K | NNU4940B/W33 | | NNU4940S | |
| 220*300*80 | NNU4944/W33 | 4382944K | NNU4944B/W33 | | NNU4944S | |
| 240*320*80 | NNU4948/W33 | 4382948K | NNU4948B/W33 | | NNU4948S | |
| 260*360*100 | NNU4952/W33 | 4382952K | NNU4952B/W33 | | NNU4952S | |
| 280*380*100 | NNU4956/W33 | 4382956K | NNU4956B/W33 | | NNU4956S | |
| 300*420*118 | NNU4960/W33 | 4382960K | NNU4960B/W33 | | NNU4960S | |
| 320*440*118 | NNU4964/W33 | 4382964K | NNU4964B/W33 | | NNU4964S | |
| 340*460*118 | NNU4968/W33 | 4382968K | NNU4968B/W33 | | | |
| 360*480*118 | NNU4972/W33 | 4382972K | NNU4972B/W33 | | | |
| 380*520*140 | NNU4976/W33 | 4382976K | NNU4976B/W33 | | | |
| 400*540*140 | NNU4980/W33 | 4382980K | NNU4980B/W33 | | | |
| 420*560*140 | NNU4984/W33 | 4382984K | NNU4984B/W33 | | | |
| 440*600*160 | NNU4988/W33 | 4382988K | NNU4988B/W33 | | | |
| 460*620*160 | NNU4992/W33 | 4382992K | | | | |
| 480*650*170 | NNU4996/W33 | 4382996K | NNU4996B/W33 | | | |
| 500*670*170 | NNU49/500/W33 | 43829/500K | NNU49/500B/W33 | | | |
| 530*710*180 | NNU49/530/W33 | 43829/530K | NNU49/530B/W33 | | | |
| 560*750*190 | NNU49/560/W33 | 43829/560K | NNU49/560B/W33 | | | |
| 600*800*200 | NNU49/600/W33 | 43829/600K | NNU49/600B/W33 | | | |
| 主要尺寸/mm | 中国 | SKF | NSK | FAG | NTN | |
| d*D*B | 轴承代号 | 旧轴承代号 | ||||
| 100*140*40 | NNU4920K/W33 | 4382920K | NNU4920BK/W33 | | NNU4920SK | |
| 105*145*40 | NNU4921K/W33 | 4382921K | | | NNU4921SK | |
| 110*150*40 | NNU4922K/W33 | 4382922K | NNU4922BK/W33 | | NNU4922SK | |
| 120*165*45 | NNU4924K/W33 | 4382924K | NNU4924BK/W33 | | NNU4924SK | |
| 130*180*50 | NNU4926K/W33 | 4382926K | NNU4926BK/W33 | | NNU4926SK | |
| 140*190*50 | NNU4928K/W33 | 4382928K | NNU4928BK/W33 | | NNU4928SK | |
| 150*210*60 | NNU4930K/W33 | 4382930K | NNU4930BK/W33 | | NNU4930SK | |
| 160*220*60 | NNU4932K/W33 | 4382932K | NNU4932BK/W33 | | NNU4932SK | |
| 170*230*60 | NNU4934K/W33 | 4382934K | NNU4934BK/W33 | | NNU4934SK | |
| 180*250*69 | NNU4936K/W33 | 4382936K | NNU4936BK/W33 | | NNU4936SK | |
| 190*260*69 | NNU4938K/W33 | 4382938K | NNU4938BK/W33 | | NNU4938SK | |
| 200*280*80 | NNU4940K/W33 | 4382940K | NNU4940BK/W33 | | NNU4940SK | |
| 220*300*80 | NNU4944K/W33 | 4382944K | NNU4944BK/W33 | | NNU4944SK | |
| 240*320*80 | NNU4948K/W33 | 4382948K | NNU4948BK/W33 | | NNU4948SK | |
| 260*360*100 | NNU4952K/W33 | 4382952K | NNU4952BK/W33 | | NNU4952SK | |
| 280*380*100 | NNU4956K/W33 | 4382956K | NNU4956BK/W33 | | NNU4956SK | |
| 300*420*118 | NNU4960K/W33 | 4382960K | NNU4960BK/W33 | | NNU4960SK | |
| 320*440*118 | NNU4964K/W33 | 4382964K | NNU4964BK/W33 | | NNU4964SK | |
| 340*460*118 | NNU4968K/W33 | 4382968K | NNU4968BK/W33 | | | |
| 360*480*118 | NNU4972K/W33 | 4382972K | NNU4972BK/W33 | | | |
| 380*520*140 | NNU4976K/W33 | 4382976K | NNU4976BK/W33 | | | |
| 400*540*140 | NNU4980K/W33 | 4382980K | NNU4980BK/W33 | | | |
| 420*560*140 | NNU4984K/W33 | 4382984K | NNU4984BK/W33 | | | |
| 440*600*160 | NNU4988K/W33 | 4382988K | NNU4988BK/W33 | | | |
| 460*620*160 | NNU4992K/W33 | 4382992K | | | | |
| 480*650*170 | NNU4996K/W33 | 4382986K | NNU4996BK/W33 | | | |
| 500*670*170 | NNU49/500K/W33 | 43829/500K | | | | |
| 530*710*180 | NNU49/530K/W33 | 43829/530K | | | | |
| 560*750*190 | NNU49/560K/W33 | 43829/560K | | | | |