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Double Row Cylindrical Roller Bearings

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selectInquiryBearing NO. Boundary dimensions(mm) Basic load ratings(kN) Limiting speed(rpm) Abutment and fillet dimensions(mm) Weight (kg)
Cylindrical boreTapered boredDB/Cr 1.2minr3.4minCrCorSpeed Ratingsda maxDa maxra maxrb maxRefer
NN3040 NN3040K 200 310 82 2.1 2.1 644 1140 2000 - 299 2 2 22
NNU3040 NNU3040K 200 310 82 2.1 2.1 644 1140 2000 216 293 2 2 22.9
NN4040 NN4040K 200 310 109 2.1 2.1 890 1730 2000 216 293 2 2 30.4
NNU4040X2 - 200 310 115 2.1 2.1 1010 1860 2000 225 299 2 2 31.5
NNU4140 NNU4140K30 200 340 140 3 3 1470 2550 1700 231 327 2.5 2.5 51
NN3944 NN3944K 220 300 60 2.1 2.1 440 895 2800 236 283 2 2 11.4
NNU4944 NNU4944K 220 300 80 2.1 2.1 512 1140 2800 242 289 2 2 16.5
NN4944 NN4944K 220 300 80 2.1 2.1 512 1140 2800 236 283 2 2 16.6
NNU5944X2 - 220 300 100 2.1 2.1 897 1930 2200 236.5 289 2 2 20.5
NN3044 NN3044K 220 340 90 3 3 809 1460 2600 - 327 2.5 2.5 28.5
NNU3044 - 220 340 90 3 3 809 1460 2600 238 320 2.5 2.5 30
NN4044 NN4044K 220 340 118 3 3 1190 2400 2600 238 320 2.5 2.5 39.8
NN3144 - 220 370 120 4 4 1050 1810 1500 241 346 3 3 51.9
NNU3144 - 220 370 120 4 4 1050 1810 1500 241 346 3 3 52.3
NNU4144 NNU4144K30 220 370 150 4 4 1650 2900 1500 254 354 3 3 65
NNU4848 NNU4848K 240 300 60 2 2 358 930 2200 255 290 2 2 9.9
NN4848 - 240 300 60 1.1 1.1 358 930 2200 252 287 1 1 9.77
NN3948 NN3948K 240 320 60 2.1 2.1 460 975 2600 257 302 2 2 12.2
NNU4948 NNU4948K 240 320 80 2.1 2.1 528 1220 2600 262 309 2 2 17.5
NN4948 NN4948K 240 320 80 2.1 2.1 528 1220 2600 257 302 2 2 17.9
NNU5948X2 - 240 320 100 2.1 2.1 880 1960 1400 255 293 2 2 22.5
NN3048 NN3048K 240 360 92 3 3 842 1560 2400 - 347 2.5 2.5 32
NNU3048 NNU3048K 240 360 92 3 3 842 1560 2400 259 340 2.5 2.5 30.8
NN4048 NN4048K 240 360 118 3 3 1240 2600 2400 259 340 2.5 2.5 39.3
NNU4048 - 240 360 118 3 3 1240 2600 2400 259 340 2.5 2.5 42.7
NN3148 NN3148K 240 400 128 4 4 1170 2040 1400 262 376 3 3 64.2
NNU4148 NNU4148K30 240 400 160 4 4 1980 3650 1400 278 384 3 3 85
NN3952 NN3952K 260 360 75 2.1 2.1 670 1380 2400 277 342 2 2 21.4
NNU4952 NNU4952K 260 360 100 2.1 2.1 748 1700 2400 288 349 2 2 30.5
NN4952 NN4952K 260 360 100 2.1 2.1 748 1700 2400 277 342 2 2 28.3
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