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Needle bearings with guide ribs with inner ring

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Needle bearings without inner ring and with inner ring are the roller bearings for high loading with simple spatial construction. Needle rollers guided evenly to the axis in fix cage are made with tolerance diameter of 2 µm. Outer ring with ribs and a cage with needle rollers create the construction unit.

Needle bearings with ribs with inner ring are supplied in following design: NKI, NKIS, NA48, NA49, NA 69.

 

The design with inner ring is used when the raceway cannot be made on the shaft. Outer ring with a cage and inner ring may be assembled independently. The shift values (“s”) specified in the dimension tables cannot be exceeded in view of the manufacturing tolerances and the thermal expansion of connecting elements during operation. If the table values are insufficient, needle bearings may be combined with wider IR and LR rings, as shown in the dimension tables. For lubrication purposes the bearings have a lubrication groove and opening, this does not apply for bearings NKI d ≤ 7 mm.

 

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Dimensions Bearing designation Basic load rating Fatigue load limit Limiting speed for lubrication with Mass
dynamic static
d D B rs Fw s Cr Cor Cu grease oil
mm kN min-1 kg
5 15 12 0.3 8 1.5 NKI5/12TV 4.4 5.0 0.609 19000 32000 0.014
5 15 16 0.3 8 2.0 NKI5/16TV 5.6 6.8 0.829 19000 32000 0.017
6 16 12 0.3 9 1.5 NKI6/12TV 4.1 4.8 0.585 18000 30000 0.015
6 16 16 0.3 9 2.0 NKI6/16TV 5.9 7.7 0.939 18000 30000 0.019
7 17 12 0.3 10 1.5 NKI7/12TV 5.2 6.6 0.804 17000 28000 0.017
7 17 16 0.3 10 2.0 NKI7/16TV 5.6 7.4 0.902 17000 28000 0.021
9 19 12 0.3 12 1.5 NKI9/12TV 6.4 7.7 0.939 16000 26000 0.018
9 19 16 0.3 12 2.0 NKI9/16TV 6.4 9.2 1.121 16000 26000 0.024
10 22 13 0.3 14 0.5 NA4900 8.2 9.2 1.121 16000 26000 0.025
10 22 16 0.3 14 0.5 NKI10/16 11.0 13.7 1.670 16000 26000 0.032
10 22 20 0.3 14 0.5 NKI10/20 13.2 17.3 2.109 16000 26000 0.040
12 24 13 0.3 16 0.5 NA4901 9.0 11.0 1.341 15000 24000 0.028
12 24 16 0.3 16 0.5 NKI12/16 11.4 15.0 1.829 15000 24000 0.036
12 24 20 0.3 16 0.5 NKI12/20 13.7 19.0 2.317 15000 24000 0.046
12 24 22 0.3 16 1.0 NA6901 14.3 20.0 2.439 15000 24000 0.051
15 27 16 0.3 19 0.5 NKI15/16 12.5 17.3 2.109 14000 22000 0.042
15 27 20 0.3 19 0.5 NKI15/20 15.0 22.0 2.682 14000 22000 0.054
15 28 13 0.3 20 0.5 NA4902 10.2 13.7 1.670 13000 20000 0.037
15 28 23 0.3 20 1.0 NA6902 16.6 25.5 3.109 13000 20000 0.067
17 29 16 0.3 21 0.5 NKI17/16 13.4 20.0 2.439 13000 20000 0.047
17 29 20 0.3 21 0.5 NKI17/20 16.3 25.0 3.048 13000 20000 0.059
17 30 13 0.3 22 0.5 NA4903 10.4 14.6 1.780 12000 19000 0.040
17 30 23 0.3 22 1.0 NA6903 18.0 29.0 3.536 12000 19000 0.084
17 37 20 0.3 24 0.5 NKIS17 26.0 31.0 3.780 10000 17000 0.108
20 32 16 0.3 24 0.5 NKI20/16 14.3 22.4 2.731 10000 17000 0.053
20 32 20 0.3 24 0.5 NKI20/20 17.3 28.5 3.475 10000 17000 0.067
20 37 17 0.3 25 0.8 NA4904 19.0 23.6 2.878 10000 17000 0.084
20 37 30 0.3 25 1.0 NA6904 33.5 49.0 5.975 10000 17000 0.133
20 42 20 0.3 28 0.5 NKIS20 27.5 36.5 4.451 9000 15000 0.130
22 34 16 0.3 26 0.5 NKI22/16 14.6 23.6 2.878 9500 16000 0.058
22 34 20 0.3 26 0.5 NKI22/20 17.6 30.0 3.658 9500 16000 0.071
22 39 17 0.3 28 0.8 NA49/22 20.8 27.5 3.353 9000 15000 0.089
22 39 30 0.3 28 0.5 NA69/22 29.0 51.0 6.219 9000 15000 0.163
25 38 20 0.3 29 1.0 NKI25/20 20.8 34.0 4.146 8500 14000 0.086
25 38 30 0.3 29 1.5 NKI25/30 27.0 54.0 6.585 8500 14000 0.130
25 42 17 0.3 30 0.8 NA4905 21.6 30.0 3.658 8500 14000 0.099
25 42 30 0.3 30 1.0 NA6905 36.5 57.0 6.951 8500 14000 0.178
25 47 22 0.6 32 1.0 NKIS25 32.5 44.0 5.365 8000 13000 0.174
28 42 20 0.3 32 1.0 NKI28/20 22.0 37.5 4.573 8000 13000 0.104
28 42 30 0.3 32 1.5 NKI28/30 32.5 62.0 7.560 8000 13000 0.156
28 45 17 0.3 32 0.8 NA49/28 22.4 31.5 3.841 8000 13000 0.108
28 45 30 0.3 32 1.0 NA69/28 40.0 60.0 7.317 8000 13000 0.190
30 45 20 0.3 35 1.0 NKI30/20 23.2 41.5 5.060 7500 12000 0.120
30 45 30 0.3 35 1.5 NKI30/30 34.0 68.0 8.292 7500 12000 0.179
30 47 17 0.3 35 0.8 NA4906 23.2 33.5 4.085 7500 12000 0.114
30 47 30 0.3 35 1.0 NA6906 39.0 65.5 7.987 7500 12000 0.205
30 52 22 0.6 37 1.0 NKIS30 35.5 51.0 6.219 7000 11000 0.198
32 47 20 0.3 37 0.5 NKI32/20 23.6 43.0 5.243 7000 11000 0.127
32 47 30 0.3 37 1.0 NKI32/30 34.5 71.0 8.658 7000 11000 0.192
32 52 20 0.6 40 0.8 NA49/32 28.5 46.5 5.670 6700 10000 0.169
32 52 36 0.6 40 0.5 NA69/32 43.0 78.0 9.512 6700 10000 0.313
35 50 20 0.3 40 0.5 NKI35/20 25.0 47.5 8.320 6700 10000 0.135
35 50 30 0.3 40 1.0 NKI35/30 36.5 76.5 9.329 6700 10000 0.208
35 55 20 0.6 42 0.8 NA4907 29.0 49.0 5.975 6700 10000 0.179
35 55 36 0.6 42 0.5 NA6907 44.0 83.0 10.121 6700 10000 0.340
35 58 22 0.6 43 0.5 NKIS35 37.5 57.0 6.951 6300 9500 0.235
38 53 20 0.3 43 0.5 NKI38/20 26.0 51.0 6.219 6300 9500 0.146
38 53 30 0.3 43 1.0 NKI38/30 38.0 83.0 10.121 6300 9500 0.196
40 55 20 0.3 45 0.5 NKI40/20 26.5 53.0 6.463 6300 9500 0.152
40 55 30 0.3 45 1.0 NKI40/30 39.0 86.5 10.548 6300 9500 0.229
40 62 22 0.6 48 1.0 NA4908 40.0 64.0 7.804 5600 8500 0.248
40 62 40 0.6 48 0.5 NA6908 64.0 118.0 14.390 5600 8500 0.473
40 65 22 1.0 50 0.5 NKIS40 41.5 68.0 8.292 5600 8500 0.292
42 57 20 0.3 47 0.5 NKI42/20 27.0 55.0 6.707 6000 9000 0.159
42 57 30 0.3 47 1.0 NKI42/30 39.0 90.0 10.975 6000 9000 0.241
45 62 25 0.6 50 1.5 NKI45/25 37.5 76.5 9.329 5600 8500 0.244
45 62 35 0.6 50 2.0 NKI45/35 51.0 114.0 13.902 5600 8500 0.345
45 68 22 0.6 52 1.0 NA4909 41.5 69.5 8.475 5300 8000 0.291
45 68 40 0.6 52 0.5 NA6909 65.5 125.0 15.243 5300 8000 0.559
45 72 22 1.0 55 0.5 NKIS45 42.5 72.0 8.780 5300 7500 0.360
50 68 25 0.6 55 1.5 NKI50/25 41.5 81.5 9.939 5000 7500 0.288
50 68 35 0.6 55 2.0 NKI50/35 57.0 122.0 14.352 5000 7500 0.406
50 72 22 0.6 58 1.0 NA4910 43.0 76.5 9.329 4800 7000 0.296
50 72 40 0.6 58 0.5 NA6910 67.0 132.0 16.097 4800 7000 0.577
50 80 28 1.1 60 2.0 NKIS50 60.0 98.0 11.951 4800 7000 0.523
55 72 25 0.6 60 1.5 NKI55/25 40.0 88.0 10.731 4800 7000 0.290
55 72 35 0.6 60 2.0 NKI55/35 55.0 132.0 16.097 4800 7000 0.410
55 80 25 1.0 63 1.5 NA4911 56.0 100.0 12.195 4500 6700 0.426
55 80 45 1.0 63 1.5 NA6911 83.0 160.0 19.512 4500 6700 0.800
55 85 28 1.1 65 2.0 NKIS55 64.0 108.0 13.170 4300 6300 0.569
60 82 25 0.6 68 1.0 NKI60/25 44.0 95.0 11.585 4000 6000 0.440
60 82 35 0.6 68 1.0 NKI60/35 60.0 143.0 17.439 4000 6000 0.520
60 85 25 1.0 68 1.5 NA4912 58.5 108.0 13.170 4000 6000 0.457
60 85 45 1.0 68 1.5 NA6912 71.0 176.0 21.463 4000 6000 0.854
60 90 28 1.1 70 2.0 NKIS60 65.5 114.0 13.902 4000 6000 0.607
65 90 25 0.6 73 1.0 NKI65/25 55.0 112.0 13.658 3800 5600 0.500
65 90 25 1.0 72 1.0 NA4913 58.5 114.0 13.902 4000 6000 0.489
65 90 35 0.6 73 1.5 NKI65/35 75.0 166.0 20.243 3800 5600 0.690
65 90 45 1.0 72 1.5 NA6913 95.0 196.0 23.902 4000 6000 0.945
65 95 28 1.1 75 2.0 NKIS65 69.5 125.0 15.243 3800 5600 0.655
70 95 25 1.0 80 0.8 NKI70/25 58.5 122.0 14.878 3600 5300 0.561
70 95 35 1.0 80 0.8 NKI70/35 72.0 176.0 21.463 3600 5300 0.700
70 100 28 1.1 80 1.5 NKIS70 72.0 137.0 16.707 3400 5000 0.680
70 100 30 1.0 80 1.5 NA4914 78.0 150.0 18.292 3600 5300 0.772
70 100 54 1.0 80 1.0 NA6914 125.0 270.0 32.926 3600 5300 1.450
75 105 25 1.0 85 1.0 NKI75/25 69.5 129.0 15.731 3400 5000 0.640
75 105 30 1.0 85 1.5 NA4915 80.0 156.0 19.024 3400 5000 0.817
75 105 35 1.0 85 1.0 NKI75/35 98.0 208.0 25.365 3400 5000 1.050
75 105 54 1.0 85 1.0 NA6915 129.0 290.0 35.365 3400 5000 1.550
80 110 25 1.0 90 1.0 NKI80/25 72.0 140.0 17.073 3000 4500 0.790
80 110 30 1.0 90 1.5 NA4916 83.0 170.0 20.731 3000 4500 0.862
80 110 35 1.0 90 1.0 NKI80/35 102.0 220.0 26.829 3000 4500 0.980
80 110 54 1.0 90 1.0 NA6916 118.0 320.0 39.024 3000 4500 1.620
85 115 26 1.0 95 1.5 NKI85/26 46.5 116.0 14.146 3000 4500 0.862
85 115 36 1.0 95 1.5 NKI85/36 104.0 228.0 27.804 3000 4500 1.040
85 120 35 1.1 100 1.0 NA4917 100.0 220.0 26.346 2800 4300 1.310
85 120 63 1.1 100 1.0 NA6917 143.0 415.0 49.698 2800 4300 2.430
90 120 26 1.0 100 1.5 NKI90/26 75.0 153.0 18.322 2800 4300 0.780
90 120 36 1.0 100 1.5 NKI90/36 108.0 245.0 29.340 2800 4300 1.080
90 125 35 1.1 105 1.0 NA4918 104.0 236.0 27.888 2600 4000 1.370
90 125 63 1.1 105 1.0 NA6918 160.0 405.0 47.859 2600 4000 2.640
95 125 26 1.0 105 1.5 NKI95/26 50.0 129.0 15.244 2600 4000 0.935
95 125 36 1.0 105 1.5 NKI95/36 69.5 196.0 23.161 2600 4000 1.300
95 130 35 1.1 110 1.0 NA4919 106.0 245.0 28.563 2400 3800 1.430
95 130 63 1.1 110 1.0 NA6919 150.0 455.0 53.046 2400 3800 2.670
100 130 30 1.1 110 1.5 NKI100/30 93.0 208.0 24.249 2400 3800 0.984
100 130 40 1.1 110 2.0 NKI100/40 122.0 290.0 33.809 2400 3800 1.410
100 135 32 1.1 115 1.5 NKIS100 95.0 216.0 24.839 2200 3600 1.340
100 140 40 1.1 115 2.0 NA4920 127.0 285.0 32.705 2200 3600 2.010
110 140 30 1.0 120 2.0 NA4822 81.5 216.0 24.629 2000 3400 1.210
110 150 40 1.1 125 0.8 NA4922 134.0 315.0 35.341 2000 3400 2.190
120 150 30 1.0 130 2.0 NA4824 85.0 236.0 26.305 1900 3200 1.310
120 165 45 1.1 135 0.8 NA4924 160.0 380.0 41.614 1800 3000 3.040
130 165 35 1.1 145 1.5 NA4826 98.0 300.0 32.304 1700 2800 1.990
130 180 50 1.5 150 1.0 NA4926 190.0 490.0 51.987 1700 2800 4.140
140 175 35 1.1 155 1.5 NA4828 102.0 315.0 33.297 1600 2600 2.120
140 190 50 1.5 160 1.0 NA4928 193.0 520.0 54.177 1600 2600 4.410
150 190 40 1.1 165 1.5 NA4830 125.0 375.0 39.210 1600 2600 2.980
160 200 40 1.1 175 1.5 NA4832 139.0 390.0 39.740 1500 2400 3.150
170 215 45 1.1 185 1.5 NA4834 163.0 480.0 48.093 1400 2200 4.250
180 225 45 1.1 195 1.5 NA4836 166.0 510.0 50.315 1400 2200 4.480