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NTN Ball Bearing 6303 NTN Bearing
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NTN Ball Bearing 6303 NTN Bearing

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  • Guangzhou, China

  • 500000-1000000PCS/Month

  • L/C, T/T, D/P, Western Union, Paypal, Money Gram

  • 6303

  • NTN

  • Carton /Pallet

  • 17*47*14

  • Japan

  • 8482102000

  • 0

  • Non-Aligning Bearing

  • Unseparated

  • Single

  • Radial Bearing

  • Bearing Steel

Product Description:

NTN Bearing Description:

Single row radial ball bearings are the most widely used bearings and utilize an uninterrupted raceway, which makes these bearings suitable for radial loads, or a combination of thrust and radial loads. This design permits precision tolerances even at high speed operation. Shielded bearings are protected on one, or both sides (suffixes Z and ZZ, respectively) by metal shields fastened to the outer ring. This close clearance labyrinth seal retains the lubricant and prevents the entrance of foreign matter. Sealed bearings incorporate steel reinforced rubber seals securely fastened to a groove on the outer ring. Contact with the inner ring is by sealing lip (Contact Suffix LLU). Or, non-contact with the inner ring is by labyrinth seal (Non-contact Suffix LLB) to provide positive sealing at all times.

NTN is one of the three largest bearing companies in the world with more than ninety years of manufacturing expertise in ball bearings.

size:

Model d/mm D/mm B/mm Weight/KG
6000LLU/ZZ 10 26 8 0.042
6001LLU/ZZ 12 28 8 0.049
6002LLU/ZZ 15 32 9 0.066
6003LLU/ZZ 17 35 10 0.086
6004LLU/ZZ 20 42 12 0.152
6005LLU/ZZ 25 47 12 0.216
6006LLU/ZZ 30 55 13 0.256
6007LLU/ZZ 35 62 14 0.342
6008LLU/ZZ 40 68 15 0.423
6009LLU/ZZ 45 75 16 0.54
6010LLU/ZZ 50 80 16 0.575
6200LLU/ZZ 10 30 9 0.071
6201LLU/ZZ 12 32 10 0.082
6202LLU/ZZ 15 35 11 0.099
6203LLU/ZZ 17 40 12 0.143
6204LLU/ZZ 20 47 14 0.234
6205LLU/ZZ 25 52 15 0.282
6206LLU/ZZ 30 62 16 0.439
6207LLU/ZZ 35 72 17 0.635
6208LLU/ZZ 40 80 18 0.807
6209LLU/ZZ 45 85 19 0.897
6210LLU/ZZ 50 90 20 1.02
6300LLU/ZZ 10 35 11 0.117
6301LLU/ZZ 12 37 12 0.132
6302LLU/ZZ 15 42 13 0.181
6303LLU/ZZ 17 47 14 0.254
6304LLU/ZZ 20 52 15 0.317
6305LLU/ZZ 25 62 17 0.511
6306LLU/ZZ 30 72 19 0.763
6307LLU/ZZ 35 80 21 1.01
6308LLU/ZZ 40 90 23 1.4
6309LLU/ZZ 45 100 25 1.84
6310LLU/ZZ 50 110 27 2.36



NTN Ball Bearing 6303 NTN Bearing

More details of deep groove ball bearing
Boundary dimensions
(mm)		 Basic load ratings
(kN)		 Limiting speeds
(r/min)		 Bearing No. (Refer.) Mass (kg)
d D B Cr C0r Grease Oil
20 42 12 9.40 5.05 17 000 21 000 6004 0.069
42 12 11.5 5.85 18 000 21 000 6004R 0.073
47 14 12.8 6.65 15 000 17 000 6204 0.106
47 14 15.6 7.60 15 000 18 000 6204R 0.114
52 15 15.9 7.85 14 000 17 000 6304 0.144
52 15 18.1 8.95 14 000 16 000 6304R 0.151
72 19 31.0 15.2 11 000 13 000 6404 0.400
22 44 12 9.40 5.15 17 000 20 000 60/22 0.073
50 14 12.8 6.65 15 000 17 000 62/22 0.118
56 16 18.5 9.40 13 000 15 000 63/22 0.201
25 37 7 4.30 2.95 18 000 21 000 6805 0.022
42 9 7.00 4.55 16 000 19 000 6905 0.041
47 8 8.85 5.60 15 000 18 000 16005 0.060
47 12 10.1 5.85 15 000 18 000 6005 0.080
52 15 14.0 7.85 13 000 15 000 6205 0.128
52 15 17.6 9.30 13 000 16 000 6205R 0.138
62 17 20.6 11.3 11 000 13 000 6305 0.232
62 17 26.2 13.4 11 000 14 000 6305R 0.255
80 21 36.1 19.4 9 100 11 000 6405 0.530
28 52 12 12.4 7.40 14 000 16 000 60/28 0.097
58 16 17.9 9.75 12 000 14 000 62/28 0.173
68 18 23.5 13.1 10 000 12 000 63/28 0.328
30 42 7 4.55 3.40 15 000 18 000 6806 0.026
47 9 7.25 5.00 14 000 17 000 6906 0.045
55 9 11.2 7.35 13 000 15 000 16006 0.085
55 13 13.2 8.25 13 000 15 000 6006 0.116
62 16 19.5 11.3 11 000 13 000 6206 0.199
62 16 23.4 12.8 11 000 13 000 6206R 0.212
10 19 5 1.70 0.84 37 000 43 000 6800 0.005
22 6 2.70 1.25 34 000 41 000 6900 0.010
26 8 4.55 1.95 31 000 36 000 6000 0.019
30 9 5.10 2.40 24 000 29 000 6200 0.032
35 11 8.10 3.45 22 000 27 000 6300 0.053
12 21 5 1.90 1.05 33 000 39 000 6801 0.006
24 6 2.90 1.45 31 000 36 000 6901 0.011
28 7 5.10 2.40 27 000 32 000 16001 0.024
28 8 5.10 2.40 27 000 32 000 6001 0.022
32 10 6.80 3.05 22 000 27 000 6201 0.037
37 12 9.70 4.20 20 000 25 000 6301 0.060
15 24 5 2.10 1.25 28 000 33 000 6802 0.007
28 7 4.30 2.25 26 000 30 000 6902 0.017
32 8 5.60 2.85 23 000 28 000 16002 0.025
32 9 5.60 2.85 23 000 27 000 6002 0.030
35 11 7.65 3.75 20 000 24 000 6202 0.045
42 13 11.4 5.45 17 000 20 000 6302 0.082
17 26 5 2.60 1.55 26 000 30 000 6803 0.008
30 7 4.60 2.55 23 000 28 000 6903 0.018
35 8 6.00 3.25 21 000 25 000 16003 0.032
35 10 6.00 3.25 21 000 25 000 6003 0.039
40 12 9.55 4.80 17 000 21 000 6203 0.065
47 14 13.6 6.65 15 000 18 000 6303 0.115
47 14 15.6 7.60 15 000 18 000 6303R 0.121
62 17 20.7 9.85 13 000 15 000 6403 0.270
20 32 7 4.00 2.45 21 000 25 000 6804 0.018
37 9 6.35 3.70 19 000 23 000 6904 0.036
42 8 7.95 4.50 17 000 21 000 16004 0.050
45 120 29 77.2 45.1 6 000 7 200 6409 1.53
50 65 7 6.60 6.10 9 600 11 000 6810 0.052
72 12 14.5 11.7 9 000 11 000 6910 0.133
80 10 16.0 13.3 8 200 9 700 16010 0.180
80 16 21.8 16.6 8 400 9 900 6010 0.261
90 20 35.1 23.3 7 100 8 500 6210 0.463
90 20 40.4 25.5 7 100 8 600 6210R 0.487
110 27 62.0 38.3 6 100 7 300 6310 1.07
130 31 83.0 49.5 5 500 6 600 6410 1.88
55 72 9 8.80 8.10 8 700 10 000 6811 0.083
80 13 16.6 14.1 8 100 9 600 6911 0.185
90 11 19.3 16.3 7 400 8 800 16011 0.260
90 18 28.3 21.2 7 600 8 900 6011 0.385
100 21 43.4 29.4 6 300 7 600 6211 0.607
120 29 71.6 45.0 5 600 6 700 6311 1.37
140 33 100 62.3 5 000 6 000 6411 2.29
60 78 10 11.5 10.6 8 000 9 400 6812 0.104
85 13 20.2 17.3 7 500 8 900 6912 0.192
95 11 19.8 17.6 6 900 8 100 16012 0.280
95 18 29.4 23.2 7 100 8 400 6012 0.415
110 22 52.4 36.2 5 700 6 900 6212 0.783
130 31 81.9 52.2 5 200 6 200 6312 1.70
150 35 110 70.8 4 600 5 500 6412 2.77
65 85 10 11.9 11.5 7 300 8 600 6813 0.126
90 13 17.4 16.1 7 100 8 400 6913 0.211
100 11 17.1 16.0 6 600 7 800 16013 0.300
100 18 30.5 25.2 6 600 7 800 6013 0.435
30 72 19 26.7 15.0 9 600 12 000 6306 0.346
72 19 33.4 17.7 9 800 12 000 6306R 0.379
90 23 43.4 23.9 8 100 9 700 6406 0.735
32 58 13 15.0 9.15 12 000 14 000 60/32 0.127
65 17 23.5 13.1 10 000 12 000 62/32 0.228
75 20 30.1 16.2 9 300 11 000 63/32 0.437
35 47 7 4.75 3.85 13 000 16 000 6807 0.030
55 10 10.9 7.75 12 000 14 000 6907 0.073
62 9 12.2 8.85 11 000 13 000 16007 0.110
62 14 15.9 10.3 11 000 13 000 6007 0.155
72 17 25.7 15.4 9 200 11 000 6207 0.288
72 17 31.0 17.5 9 300 11 000 6207R 0.309
80 21 33.4 19.3 8 500 10 000 6307 0.457
80 21 40.0 21.7 8 700 10 000 6307R 0.494
100 25 55.0 31.0 7 200 8 600 6407 0.952
40 52 7 4.95 4.20 12 000 14 000 6808 0.033
62 12 13.7 9.95 11 000 13 000 6908 0.112
68 9 12.6 9.65 9 800 12 000 16008 0.125
68 15 16.7 11.5 10 000 12 000 6008 0.192
80 18 29.1 17.8 8 300 10 000 6208 0.366
90 23 40.7 24.0 7 700 9 200 6308 0.633
110 27 63.7 36.6 6 600 7 900 6408 1.23
45 58 7 6.20 5.40 11 000 13 000 6809 0.040
68 12 14.1 10.9 9 700 11 000 6909 0.132
75 10 15.5 12.3 8 900 10 000 16009 0.170
75 16 21.0 15.1 9 200 11 000 6009 0.245
85 19 32.7 20.3 7 700 9 200 6209 0.407
100 25 48.9 29.5 6 800 8 100 6309 0.833
85 130 22 49.5 43.1 5 000 5 900 6017 0.890
150 28 84.0 61.9 4 200 5 000 6217 1.79
180 41 133 96.8 3 700 4 400 6317 4.23
210 52 173 136 3 300 3 900 6417 8.07
90 115 13 19.0 19.7 5 300 6 300 6818 0.279
125 18 32.8 31.6 5 100 6 000 6918 0.565
140 16 39.9 37.0 4 700 5 600 16018 0.848
140 24 58.2 49.7 4 700 5 600 6018 1.16
160 30 96.1 71.5 3 900 4 700 6218 2.15
190 43 143 107 3 500 4 200 6318 4.91
225 54 184 149 3 100 3 700 6418 9.78
95 130 18 33.7 33.5 4 800 5 700 6919 0.705
145 16 41.2 39.6 4 500 5 300 16019 0.885
145 24 60.4 53.9 4 400 5 200 6019 1.21
170 32 109 81.9 3 700 4 400 6219 2.62
200 45 153 119 3 300 4 000 6319 5.67
100 125 13 19.6 21.2 4 800 5 700 6820 0.309
140 20 45.0 41.9 4 500 5 300 6920 0.960
150 16 42.4 42.1 4 300 5 100 16020 0.910
150 24 60.2 54.2 4 300 5 100 6020 1.25
180 34 122 93.1 3 500 4 200 6220 3.14
215 47 173 141 3 000 3 600 6320 7.00
105 145 20 46.5 44.8 4 300 5 100 6921 1.00
160 18 41.9 42.2 4 100 4 800 16021 1.20
160 26 72.3 65.8 4 000 4 700 6021 1.59
190 36 133 105 3 300 3 900 6221 3.70
225 49 184 153 2 900 3 500 6321 8.05
65 120 23 57.2 40.1 5 400 6 400 6213 0.990
140 33 92.7 59.9 4 800 5 800 6313 2.08
160 37 118 79.2 4 300 5 200 6413 3.30
70 90 10 12.1 11.9 6 800 8 100 6814 0.134
100 16 23.7 21.2 6 400 7 600 6914 0.342
110 13 30.1 25.6 6 100 7 200 16014 0.433
110 20 38.1 30.9 6 100 7 200 6014 0.602
125 24 62.2 44.1 5 100 6 100 6214 1.07
150 35 104 68.2 4 500 5 400 6314 2.52
180 42 144 104 3 900 4 600 6414 4.83
75 95 10 12.5 12.9 6 400 7 600 6815 0.142
105 16 24.4 22.6 6 100 7 200 6915 0.363
115 13 27.5 25.3 5 700 6 700 16015 0.457
115 20 39.6 33.5 5 700 6 800 6015 0.638
130 25 67.4 48.3 4 800 5 800 6215 1.18
160 37 113 77.2 4 200 5 000 6315 3.02
190 45 154 115 3 600 4 400 6415 5.87
80 100 10 12.7 13.3 6 100 7 200 6816 0.150
110 16 25.0 24.0 5 700 6 800 6916 0.382
125 14 31.7 29.7 5 200 6 100 16016 0.597
125 22 47.6 39.8 5 300 6 300 6016 0.850
140 26 72.7 53.0 4 500 5 400 6216 1.40
170 39 123 86.7 3 900 4 700 6316 3.59
200 48 164 125 3 400 4 100 6416 6.84
85 110 13 18.7 19.0 5 600 6 600 6817 0.266
120 18 31.9 29.6 5 300 6 300 6917 0.535
130 14 32.6 31.7 4 900 5 800 16017 0.626
150 270 45 176 168 2 200 2 700 6230 9.41
320 65 275 284 1 900 2 300 6330 26.2
160 200 20 48.4 56.9 2 900 3 400 6832 1.45
220 28 96.1 101 2 700 3 200 6932 3.20
240 25 98.8 108 2 600 3 100 16032 4.25
240 38 136 135 2 600 3 000 6032 5.22
290 48 185 186 2 100 2 500 6232 14.3
340 68 278 286 1 800 2 200 6332 29.0
170 215 22 59.8 70.5 2 700 3 200 6834 1.90
230 28 98.8 108 2 600 3 100 6934 3.35
260 28 114 127 2 300 2 700 16034 5.75
260 42 161 161 2 400 2 800 6034 6.80
310 52 212 223 1 900 2 300 6234 17.5
360 72 326 355 1 700 2 000 6334 38.6
180 225 22 60.7 73.1 2 600 3 000 6836 2.00
250 33 123 129 2 400 2 800 6936 4.90
280 31 135 148 2 100 2 500 16036 7.55
280 46 182 194 2 200 2 600 6036 10.3
320 52 227 241 1 800 2 200 6236 18.3
380 75 354 407 1 600 1 900 6336 44.7
190 240 24 73.1 88.1 2 400 2 800 6838 2.60
260 33 126 138 2 300 2 700 6938 5.20
290 31 139 158 2 000 2 400 16038 7.85
290 46 188 201 2 100 2 500 6038 10.8
340 55 255 281 1 700 2 000 6238 23.0
400 78 355 415 1 500 1 800 6338 51.5
200 250 24 78.0 93.6 2 300 2 700 6840 2.70
110 140 16 28.1 30.7 4 300 5 100 6822 0.606
150 20 47.9 47.8 4 100 4 900 6922 1.04
170 19 57.5 56.7 3 800 4 500 16022 1.46
170 28 82.0 73.0 3 800 4 500 6022 1.96
200 38 144 117 3 100 3 700 6222 4.36
240 50 205 180 2 700 3 200 6322 9.54
120 150 16 29.0 33.0 4 000 4 700 6824 0.655
165 22 57.2 56.9 3 800 4 400 6924 1.41
180 19 63.2 63.3 3 600 4 200 16024 1.80
180 28 85.0 79.3 3 600 4 200 6024 2.07
215 40 155 131 2 900 3 400 6224 5.15
260 55 207 185 2 500 3 000 6324 12.5
130 165 18 36.9 41.2 3 600 4 300 6826 0.939
180 24 65.2 67.4 3 400 4 100 6926 1.86
200 22 71.3 74.8 3 000 3 600 16026 2.69
200 33 106 101 3 200 3 800 6026 3.16
230 40 167 146 2 700 3 200 6226 5.82
280 58 229 214 2 300 2 700 6326 15.1
140 175 18 38.2 44.4 3 400 4 000 6828 1.00
190 24 71.3 74.8 3 200 3 800 6928 1.98
210 22 65.8 71.1 2 900 3 400 16028 2.86
210 33 110 109 3 000 3 600 6028 3.55
250 42 166 150 2 400 2 900 6228 7.45
300 62 253 246 2 100 2 500 6328 19.4
150 190 20 47.8 54.9 3 100 3 700 6830 1.40
210 28 93.4 94.3 2 900 3 400 6930 3.05
225 24 91.2 99.3 2 700 3 100 16030 3.58
225 35 125 126 2 800 3 300 6030 4.22
280 580 108 568 14.5 880 1 100 6356 145
300 380 38 179 16.2 1 400 1 600 6860 10.5
420 56 276 16.2 1 300 1 500 6960 24.1
460 50 284 16.4 1 100 1 400 16060 32.2
460 74 355 15.6 1 200 1 400 6060 44.0
540 85 441 15.6 880 1 100 6260 89.5
620 109 593 14.4 810 970 6360 169
320 400 38 182 16.1 1 300 1 500 6864 11.0
440 56 285 16.4 1 200 1 400 6964 25.5
480 50 292 16.5 1 100 1 300 16064 33.9
480 74 352 15.7 1 100 1 300 6064 46.0
580 92 489 15.4 840 1 000 6264 113
670 112 634 14.8 720 870 6364 207
340 420 38 185 16.1 1 200 1 400 6868 11.5
460 56 282 16.5 1 100 1 300 6968 26.8
520 57 335 16.4 980 1 200 16068 46.8
520 82 441 15.6 980 1 200 6068 61.8
620 92 511 15.6 760 910 6268 131
710 118 704 14.7 660 790 6368 238
360 440 38 192 16.0 1 100 1 300 6872 12.0
480 56 289 16.5 1 000 1 200 6972 28.2
540 57 345 16.5 900 1 100 16072 49.0
540 82 438 15.7 920 1 100 6072 64.7
650 95 557 15.4 700 840 6272 144
380 480 46 244 16.2 980 1 200 6876 20.0
520 65 352 16.4 920 1 100 6976 40.8
560 82 457 15.9 860 1 000 6076 67.6
200 280 38 157 16.2 2 100 2 500 6940 7.30
310 34 161 16.4 1 900 2 300 16040 10.1
310 51 217 15.6 1 900 2 300 6040 14.0
360 58 269 15.2 1 600 1 900 6240 28.2
420 80 411 14.0 1 300 1 600 6340 58.0
220 270 24 80.7 16.0 2 000 2 400 6844 3.00
300 38 160 16.4 1 900 2 200 6944 7.90
340 37 180 16.5 1 700 2 000 16044 13.2
340 56 235 15.6 1 700 2 000 6044 18.3
400 65 311 15.1 1 400 1 700 6244 37.0
460 88 433 13.8 1 200 1 500 6344 71.6
240 300 28 108 16.1 1 800 2 100 6848 4.50
320 38 164 16.5 1 700 2 000 6948 8.50
360 37 184 16.5 1 600 1 800 16048 14.1
360 56 244 15.9 1 600 1 900 6048 19.7
440 72 340 15.2 1 200 1 500 6248 51.0
500 95 470 14.2 1 100 1 300 6348 93.3
260 320 28 112 16.0 1 700 2 000 6852 4.80
360 46 213 16.3 1 500 1 800 6952 14.4
400 44 236 16.4 1 400 1 600 16052 21.6
400 65 291 15.8 1 400 1 700 6052 29.3
480 80 402 15.1 1 100 1 300 6252 68.2
540 102 531 14.2 990 1 200 6352 116
280 350 33 143 16.1 1 500 1 800 6856 7.40
380 46 219 16.5 1 400 1 700 6956 15.1
420 44 242 14.7 1 300 1 500 16056 22.9
420 65 302 16.0 1 300 1 500 6056 31.0
500 80 423 15.3 1 000 1 200 6256 71.8
380 680 95 584 15.6 650 780 6276 162
400 500 46 249 16.1 920 1 100 6880 20.5
540 65 362 16.5 860 1 000 6980 42.7
600 63 358 16.5 780 920 16080 65.0
600 90 508 15.7 780 920 6080 87.7
720 103 628 15.5 590 710 6280 197
420 520 46 253 16.1 860 1 000 6884 21.5
560 65 359 16.5 810 950 6984 43.5
620 63 367 16.4 740 870 16084 69.9
620 90 530 15.8 740 870 6084 91.2
440 540 46 257 16.0 810 950 6888 22.5
600 74 396 16.4 740 870 6988 61.3
650 67 407 16.5 680 810 16088 81.7
460 580 56 314 16.2 740 870 6892 35.0
620 74 407 16.5 690 820 6992 61.7
680 71 431 16.5 630 750 16092 91.2
480 600 56 321 16.1 690 820 6896 36.5
650 78 432 16.5 640 760 6996 72.5
700 71 444 16.5 600 710 16096 98.5
500 620 56 327 16.1 650 770 68/500 37.5
670 78 444 16.5 610 720 69/500 75.2
720 71 455 16.4 560 660 160/500 102
720 100 600 16.0 570 670 60/500 128

NTN Ball Bearing 6303 NTN Bearing


NTN Ball Bearing 6303 NTN Bearing
NTN Ball Bearing 6303 NTN Bearing

1.Q:Do you know the Detail Size for the Bearing ?
A:Of Couse.We have a database for all kinds of Bearing.


2.Q: This Size of Bearing is common parts?
A:These are standard size bearing.


3.Q:Are you a factory or a Trade Company for Bearing ?
A:We are the factory.


4.Q:How many the MOQ of the Bearing?
A:1pcs accept for the standard size.
If you purchase the Non-Standard for BearingThe MOQ is 50pcs.


5.Q:Could you supply free sample of bearing for our test?
A:Yes,Free sample can be offer.


6.Q:Could you accept OEM and customize?
A:Yes, OEM is accepted and we can customize for you according to sample or drawing.


7.Q:Do you have stocks?
A:Yes, most of the bearings showing on alibaba are in stock,especialy big bearings.





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Shandong Xuanye Precision Machinery Co. , Ltd. is located in the beautiful city of Jinan, Shandong. With a history of 20 years, the registered capital of the company is 20 million yuan,
is a large bearing enterprise.

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    Room A2-1715, Ouyadaguan, No.73,   Yangguangxin Road, Shizhong District, Jinan,   Shandong, China.

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