machined ring needle roller bearings ntn bearing type applied shaft diameter mm composition of nominal bearing number remarks type nk nk 7 10 t2 tail code 5 12 width inscribed circle diameter type code type nk+ir nk24 16r ir 20 24 16 type code bore diameter outer diameter width [tail code r rib type t2 resin cage 5 9 type nk r type mr inch series nk 14 165 mr 10 18 12 width code outer diameter code bearing with tail code t2 uses a polyamide resin cage and therefore it shall be used at allowable temperature 120°c and under continuous running at 100°c and less mr 15.875 234.95 nk type r+ir type mr+mi inch series inscribed circle dia code type code nk 10 r ir 150 mr101812 type code inscribed circle dia code outer diameter code width code mi 06 10 12 bearing tolerances the dimensional accuracy profile accuracy and running accuracy of machined ring needle roller bearings are specified in jis b 1514 accuracy of rolling bearings refer to section 4 bearing tolerances table 4.3 on page a-26
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machined-ring needle roller bearings without inner ring ccrr ntn type rna49 type rna59 type rna69 type nk d fw d fw type rna49 r type rna59 type rna69 r fw type nk r type rna69 type r fw 35mm 40mm fw 28 40mm boundary dimensions dynamic mm fw d c rs min 1 cr basic load ratings static dynamic static n kgf cor cr cor limiting speeds r/min grease oil bearing numbers abutment dimensions mm da ras max max mass kg approx 39 28 +0.033 39 +0.020 39 29 +0.020 +0.033 17 23 30 20 30 20 30 17 23 30 20 30 17 23 30 20 30 17 23 30 20 30 20 30 20 30 20 27 36 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.6 0.6 23 200 26 400 40 000 22 200 27 500 22 100 33 000 24 000 30 500 41 500 23 500 34 000 24 800 32 000 43 000 24 800 36 000 25 500 32 500 42 500 25 300 36 500 25 900 37 500 26 400 38 500 31 500 38 000 47 500 29 300 37 500 58 500 34 000 50 500 34 000 57 000 31 500 43 000 63 000 37 500 60 500 33 500 45 500 67 000 41 500 66 500 35 500 48 500
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machined-ring needle roller bearings without inner ring type rna48 type rna49 type rna59 type nk d c r ntn fw fw 130 220mm boundary dimensions dynamic mm fw d c rs min 1 cr basic load ratings static dynamic static n kgf cor cr cor limiting speeds r/min grease oil bearing numbers abutment dimensions mm da ras max max mass kg approx 130 +0.068 150 +0.043 135 +0.043 +0.068 40 45 60 35 32 42 50 67 35 32 42 50 67 32 40 42 60 40 60 45 60 45 69 50 69 50 1.1 1.1 1.1 1.1 1.5 1.5 1.5 1.5 1.1 1.5 1.5 1.5 1.5 1.5 1.1 1.5 2 1.1 2 1.1 2 1.1 2 1.5 2 1.5 116 000 180 000 245 000 118 000 111 000 153 000 202 000 294 000 121 000 114 000 156 000 209 000 310 000 117 000 152 000 160 000 261 000 160 000 270 000 185 000 279 000 195 000 375 000 227 000 390 000 231 000 283 000 380 000 525 000 305 000 238 000 360 000 455 000 685 000 315 000 252 000 380 000 485 000 755 000 265 000 390 000 400 000 610 000 425 000 650 000 495 000 690 000 540 000 890 000 680 000 945 000 705 000 11 800 18 300 25 000 12 100 11 300 15
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machined-ring needle roller bearings with inner ring c ntn type na49 type na59 type na69 type nk ir rrsddf type na49 r type na59 type na69 r type nk ir d 30mm d 17 32mm boundary dimensions dynamic mm d d c rs min 1 f s 2 cr basic load ratings static dynamic static n kgf cor cr cor limiting speeds r/min grease oil bearing numbers 17 30 32 32 23 16 20 17 23 30 16 20 17 23 30 20 30 17 23 30 20 30 17 23 30 20 30 17 23 30 20 30 20 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 22 24 24 25 25 25 26 26 28 28 28 29 29 30 30 30 32 32 32 32 32 35 35 35 35 35 37 37 40 1 0.5 0.5 0.8 0.8 1 0.5 0.5 0.8 0.8 0.5 1 1.5 0.8 0.8 1 1 1.5 0.8 0.8 1 0.5 1 0.8 0.8 1 0.5 1 0.8 18 200 15 200 18 600 21 300 28 400 36 500 15 600 19 100 23 200 26 400 40 000 22 200 27 500 24 000 30 500 41 500 23 500 34 000 24 800 32 000 43 000 24 800 36 000 25 500 32 500 42 500 25 300 36 500 31 500 27 200 22 300 28 800 25 500 37 000 50 500 23 600 30 500 29 300 37
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machined-ring needle roller bearings with inner ring ccrrrr ntn type na49 type na59 type na69 type nk ir ddfddf type na49 r type na59 type nk r ir type na69 r d 55 85mm boundary dimensions dynamic mm d d c rs min 1 f s 2 cr basic load ratings static dynamic static n kgf cor cr cor limiting speeds r/min grease oil bearing numbers 55 80 80 82 82 34 45 25 35 25 34 45 25 25 34 35 45 25 35 30 40 54 25 30 35 40 54 25 30 35 40 54 26 36 1 1 1 0.6 1 1 1 0.6 1 1 0.6 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 63 63 68 68 68 68 68 73 72 72 73 72 80 80 80 80 80 85 85 85 85 85 90 90 90 90 90 95 95 1.5 1.5 1 1 1.5 1.5 1.5 1 1.5 1.5 1 1.5 0.8 0.8 1.5 1 1 76 500 94 000 44 500 63 000 61 500 80 500 95 500 54 000 62 500 84 000 76 500 97 000 57 000 79 500 85 500 130 000 70 500 140 000 183 000 89 000 139 000 108 000 153 000 191 000 100 000 112 000 165 000 156 000 198 000 119 000 184 000 156 000 187 000 267 000 123 000 162 000 193 000 205 000 277 000 128 000 174 000 208 000 223 000 298 000 137 000 223 000 7 800 14
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machined-ring needle roller bearings with inner ring type na48 type na49 type na59 type nk ir dcrrs ntn d f d 130 280mm boundary dimensions dynamic mm d d c rs min 1 f s 2 cr basic load ratings static dynamic static n kgf cor cr cor limiting speeds r/min grease oil bearing numbers 130 180 175 180 140 180 190 190 190 190 150 190 210 160 200 220 215 230 225 250 240 260 250 280 270 300 300 320 320 67 35 32 42 50 67 32 40 42 60 40 60 45 60 45 69 50 69 50 80 50 80 60 80 60 1.5 1.1 1.5 1.5 1.5 1.5 1.5 1.1 1.5 2 1.1 2 1.1 2 1.1 2 1.5 2 1.5 2.1 1.5 2.1 2 2.1 2 2.1 2 2.1 150 155 155 155 160 160 165 165 165 170 175 180 185 190 195 205 210 215 220 225 240 245 265 265 285 290 305 310 1.5 294 000 1 121 000 114 000 156 000 1.5 209 000 1.5 310 000 117 000 1.5 152 000 160 000 1.5 261 000 1.5 160 000 1.5 270 000 1.5 185 000 1.5 279 000 1.5 195 000 1.5 375 000 1.5 227 000 1.5 390 000 1.5 231 000 685 000 315 000 252 000 380 000 485 000 755 000 265 000 390 000 400 000 610 000 425 000 650 000 495 000 690 0
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machined-ring needle roller bearings inch series without inner ring type mr ntn fw 15.875 63.500mm boundary dimensions dynamic mm 25.4mm fw d +0.027 +0.016 n c rs min 1 cr basic load ratings static dynamic static kgf cor cr cor limiting speeds r/min grease oil approx 15.875 8 28.5751 8 28.5751 8 31.7501 4 31.7501 4 34.9251 8 34.9251 8 38.1001 2 38.1001 2 41.2751 8 41.2751 8 44.4501 4 44.4501 4 47.6251 8 47.6251 8 52.3882 16 52.3882 16 55.5622 16 55.5622 16 58.7382 16 58.7382 16 61.9122 16 65.0882 16 65.0882 16 76.2003 76.2003 82.5503 4 19.05 4 25.401 19.05 4 25.401 19.05 4 25.401 19.05 4 25.401 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 25.401 31.751 4 31.751 4 25.401 31.751 4 38.101 2 44.451 4 38.101 2 0.6 0.6 1 1 1 1 1 1 1 1 1 1 1 1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 16 700 21 500 19 500 25 000 21 900 28 200 23 000 29 500 32 500 40 500 35 000 43 500 37 000 46 500 41 000 51 000 43 500 54 500 44 500 55
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machined-ring needle roller bearings inch series without inner ring type mr ntn fw 196.850 234.950mm boundary dimensions dynamic mm fw d +0.079 +0.050 +0.079 +0.050 +0.079 +0.050 +0.079 +0.050 n c rs min 1 cr basic load ratings static dynamic static kgf cor cr cor limiting speeds r/min grease oil approx 196.8507 4 209.5508 4 222.2508 4 234.9509 4 244.4759 8 257.17510 8 269.87510 8 282.57511 8 76.203 76.203 76.203 76.203 3 3 4 4 455 000 475 000 495 000 510 000 990 000 1 060 000 1 140 000 1 210 000 46 500 48 500 50 500 52 000 101 000 109 000 116 000 124 000 1 300 1 300 1 200 1 100 2 000 1 900 1 800 1 700 note 1 allowable minimum chamfer dimension r b-84
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machined-ring needle roller bearings inch series with inner ring type mr mi ntn d boundary dimensions dynamic mm 25.4mm ddbc rs min 1 f s 2 cr basic load ratings static dynamic static n kgf cor cr cor 36.5121 16 58.7382 16 58.7382 16 58.7382 16 25.65 32.00 25.65 32.00 32.00 32.00 32.00 25.65 32.00 25.65 32.00 38.35 44.70 38.35 44.70 38.35 44.70 44.70 25.65 38.35 44.70 44.70 38.35 44.70 44.70 51.05 25.401 31.751 4 25.401 31.751 4 31.751 4 31.751 4 31.751 4 25.401 31.751 4 25.401 31.751 4 38.101 2 44.451 4 38.101 2 44.451 4 25.401 44.451 4 44.451 4 25.401 38.101 2 44.451 4 44.451 4 38.101 2 44.451 4 44.451 4 50.802 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 2 2 2 2 2 2 2 2 2 2 2 2 2 44.450 44.450 44.450 44.450 50.800 47.625 50.800 50.800 50.800 50.800 50.800 57.150 57.150 63.500 63.500 63.500 63.500 69.850 69.850 69.850 69.850 76.200 76.200 76.200 82.550 82.550 0.5 0.5 0.5 0.5 0.5 1 0.5 0.5 1 0.5 0.5 3.5 3.5 1.5 2 2.5 3 1.5 0.5 2.5 3 1.5 2.5 3 3 5.5 44 50
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machined-ring needle roller bearings inch series with inner ring type mr mi ntn d 139.700 203.200mm boundary dimensions dynamic mm 25.4mm ddbc rs min 1 f s 2 cr basic load ratings static dynamic static n kgf cor cr cor 139.7005 2 152.4006 165.1006 2 177.8007 190.5007 2 203.2008 203.200 8 203.200 8 231.775 9 8 244.475 9 8 257.17510 8 269.87510 8 282.57511 8 63.88 76.58 76.58 76.58 76.58 76.58 76.58 63.502 2 76.203 76.203 76.203 76.203 76.203 76.203 3 3 3 3 3 4 4 165.100 165.100 184.150 196.850 209.550 222.250 234.950 6 5.5 8.5 8.5 8.5 7 7 325 000 390 000 435 000 455 000 680 000 870 000 915 000 990 000 33 000 39 500 44 500 69 500 88 500 93 000 46 500 101 000 48 500 109 000 50 500 116 000 52 000 124 000 475 000 1 060 000 495 000 1 140 000 510 000 1 210 000 note 1 allowable minimum chamfer dimension r 2 allowable axial stroking value of inner ring against outer ring b-92
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machined-ring needle roller bearings sealed type with inner ring type na49 type na49 l ll ntn type na49 l with single seal type na49 ll with double seal d 10 50mm boundary dimensions mm ddbc rs min 1 f basic load ratings limiting dynamic static dynamic static speeds n kgf r/min grease cr cor cr cor bearing numbers abutment mass dimensions mm kg da da db ras min max max max approx type na49 l type rna49 ll 10 12 15 17 20 25 30 35 40 45 50 22 24 28 30 37 42 47 55 62 68 72 14 14 14 14 18 18 18 21 23 23 23 13 13 13 13 17 17 17 20 22 22 22 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.6 14 16 20 22 25 30 35 42 48 52 58 7 200 7 750 8 300 8 500 15 200 16 000 18 000 22 700 27 800 28 600 30 500 8 500 9 700 11 200 11 900 735 795 845 865 865 990 1 150 1 220 2 030 2 300 2 800 4 000 5 450 5 800 6 500 10 000 10 000 10 000 9 000 8 000 6 500 5 500 4 800 4 200 3 800 3 400 na4900l na4900ll na4901l na4901ll na4902l na4902ll na4903l na4903ll na4904l na4904ll na4905l na4905ll na4906l na4906ll na4907l na4907ll
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