Catalog: Needle Roller Bearings | |
| lubrication ntn table 8.2 grease varieties and characteristics ... fiber grease na soap silicone oil 200 250 50 160 mineral oil 150 180 20 130 ... calcium compound base grease ca+na soap ca+li soap mineral oil 150 180 20 120 ... non-soap grease bentone silica gel urea carbon black etc mineral oil 250 or more 10 ... 130 synthetic oil 250 or more 50 200 thickener base oil dropping point °c ... temperature range li soap mineral oil 170 190 30 130 diester oil 170 190 50 130 ° ... c mechanical stability pressure ... good good excellent in low temperature characteristic and anti-friction characteristic good ... poor good good excellent in viscosity characteristic good good good good good good ... | |
| drawn cup needle roller bearings type hk type hk ... type hmk zwd type bk type bk zwd ntn c c d fw d fw type hk type hmk opened end ... type type hk zwd type hmk zwd fw 25 30mm boundary dimensions mm fw d c 0 -0 ... .2 basic load ratings dynamic static ... dynamic static n kgf cr cor cr cor limiting speeds r/min grease oil ... numbers mass kg appropriate1 inner ring c1 max open end design closed end design ... approx as a reference 32 33 25 33 33 33 33 26 34 34 35 35 28 35 35 37 ... 37 29 38 38 37 37 37 37 37 37 30 37 37 37 37 ... 40 40 40 40 38 10 15 20 25 30 16 20 16 16 20 20 20 30 20 30 12 12 16 16 20 ... 20 26 26 38 38 13 15 20 25 2.7 35 000 9 150 15 200 21 800 26 700 32 ... | |
| drawn cup needle roller bearings inch series type ... 6.350 15.875mm boundary dimensions mm 25.4mm fw d c 0 0.2 basic load ratings dynamic ... static dynamic static n kgf cr cor cr cor limiting speeds r/min grease bearing ... 16 6.350 4 11.112 16 11.112 16 12.700 2 7.938 16 12.700 2 12.700 2 12.700 2 14. ... 288 16 9.525 8 14.288 16 14.288 16 14.288 16 11.112 16 15.875 8 17.462 16 17.462 ... 16 12.700 2 6.350 4 7.938 16 11.112 16 7.938 16 9. ... 525 8 11.112 16 14.288 16 7.938 16 9.525 8 12.700 2 15.875 8 ... 12.700 2 7.938 16 9.525 8 1 580 2 160 3 550 2 940 3 900 4 800 6 500 3 100 ... | |
| drawn cup needle roller bearings ntn fw 15.875 25 ... .400mm boundary dimensions mm 25.4mm fw d c 0 0.2 dynamic basic load ratings ... static dynamic static n kgf cor cr cor limiting speeds r/min grease bearing ... inner ring oil approx as a reference cr 15.875 8 20.638 16 22.225 8 22.225 8 22 ... .225 8 22.225 8 25.4001 25.4001 25.4001 25.4001 25.4001 25.4001 26.9881 16 22.225 8 9. ... 525 8 12.700 2 15.875 8 19.050 4 9.525 8 12.700 2 15. ... 875 8 19.050 4 22.225 8 25.4001 9.525 8 14 100 5 700 8 150 10 400 12 ... 600 6 450 9 800 12 900 15 900 19 000 21 700 6 950 10 600 13 900 17 100 20 400 ... | |
| rna49 type rna59 type rna69 type nk ntn crcrcrd fw d fw d fw type nk fw 12mm type rna49 ... 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 ... 12 16 12 16 10 12 16 11 12 16 11 13 16 20 16 20 13 16 20 22 0.15 0.15 0.15 0.15 0 ... 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 2 640 2 720 2 660 3 400 2 670 2 670 3 400 ... 10 300 13 000 10 900 13 800 9 550 12 200 14 600 15 400 2 190 2 250 2 280 3 150 2 ... 350 2 350 3 200 3 000 4 100 5 200 5 000 6 400 3 650 5 100 6 450 3 950 6 ... 100 7 700 4 900 9 200 11 500 15 600 12 700 17 200 10 900 14 ... | |
| roller bearings ntn ra ra da da fw 17 28mm 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 ... +0.016 19 +0.020 +0.033 +0.027 +0.027 25 25 26 26 27 27 28 28 16 20 16 20 16 20 ... 13 16 18 20 23 16 20 16 20 13 18 23 16 20 16 20 17 23 30 16 20 20 30 0.3 0.3 0.3 ... 12 700 16 100 13 300 16 000 10 300 13 200 14 100 16 700 17 600 13 700 18 300 14 ... 200 18 000 11 200 15 200 18 200 15 200 18 600 15 100 19 200 21 300 28 400 36 ... 500 15 600 19 100 22 300 26 700 15 000 20 400 16 200 22 000 17 400 22 200 12 800 ... | |
| 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 ... 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 ... 680 000 945 000 705 000 11 800 18 300 25 000 12 100 11 300 15 600 20 600 30 000 ... | |
| needle roller bearings with inner ring ccrrrrrcr ntn type na49 type na59 type na69 type ... 17mm boundary dimensions dynamic mm d d c rs min 1 basic load ratings static ... dynamic static n kgf cor cr cor limiting speeds r/min grease oil ... bearing numbers f s 2 cr 13 5 15 15 15 6 16 16 17 7 17 17 8 19 ... 19 9 19 20 22 22 22 24 24 24 24 27 27 15 28 28 28 29 17 29 30 30 10 12 16 10 ... 12 16 10 12 16 11 12 16 11 13 16 20 13 16 20 22 16 20 13 18 23 16 20 13 18 ... 10 12 12 12 14 14 14 16 16 16 16 19 19 20 20 20 21 21 22 22 0.5 0.5 0.5 0.5 0.5 0 ... 1 0.5 0.5 0.5 0.5 1 0.5 0.5 0.5 0.5 1.5 2 1.5 2 1.5 2 1.5 2 2 670 4 000 4 850 3 ... | |
| needle roller bearings with inner ring c ntn type na49 type na59 type na69 type ... 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 0.6 22 24 24 25 25 25 26 26 28 28 28 29 29 30 ... 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 ... | |
| needle roller bearings with inner ring ccrrrr ntn type na48 type na49 type na59 type ... 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 ... 140 140 140 150 150 150 150 165 165 165 170 170 180 35 46 63 26 36 35 46 63 26 36 ... 145 145 150 1 1 1.5 1 1 1 1.5 1 1 1 1.5 2 2 2 0.8 2 2 0.8 2 2 1 112 000 169 000 ... 131 000 193 000 99 500 116 000 180 000 245 000 118 000 111 000 153 000 237 000 290 ... 000 400 000 137 000 223 000 252 000 310 000 425 000 147 000 238 000 260 ... 000 335 000 440 000 204 000 292 000 260 000 395 000 210 000 268 000 279 000 440 ... | |
| 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 ... 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 ... 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 ... | |
| boundary dimensions dynamic mm fw d c rs min1 e cr basic load ratings static ... dynamic static n kgf cor cr cor limiting speeds r/min grease +0.041 +0. ... bearing numbers oil 40 55 55 40 17 34 20 40 20 40 20 40 20 25 40 20 40 46 20 40 ... 30 60 30 60 30 60 30 56 30 60 25 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.6 ... 78 83 83 86 88 88 88 93 56 500 102 000 22 300 38 500 36 000 44 500 89 500 59 000 ... 5 750 2 280 3 900 3 650 6 250 2 850 4 900 3 950 6 750 2 940 5 150 5 050 ... 3 950 6 800 7 750 4 100 7 050 6 200 10 400 4 550 9 100 6 000 12 000 6 300 ... 850 13 700 6 750 9 950 13 500 7 100 14 200 17 400 7 650 15 300 13 400 26 800 15 ... 200 30 500 16 100 32 000 16 200 29 000 17 000 34 000 14 900 6 500 6 000 6 ... | |
| needle roller bearings with three-point contact ball bearing type nkib 59 ntn d 15 70mm ... dynamic mm d d b 0 0.3 static n c f rs min1 cr basic load ratings dynamic ... dynamic static kgf n kgf radial axial cor cr cor ca coa ca coa limiting ... dimensions r/min grease oil 15 17 20 22 25 30 35 40 45 50 55 60 65 28 30 37 39 42 ... 47 55 62 68 72 80 85 90 20 20 25 25 25 25 30 34 34 34 38 38 38 45 18 18 23 23 23 ... 23 27 30 30 30 34 34 34 40 20 22 25 28 30 35 42 48 52 58 63 68 72 80 0.3 0.3 0 ... 3 0.3 0.6 0.6 0.6 0.6 1 1 1 1 10 800 11 200 21 300 23 200 24 000 25 500 32 000 43 ... | |
| x type nacv xll ntn type nacv x full complement d 19.050 152.400mm boundary dimentions ... dynamic mm 25.4mm d 0 0.025 basic load ratings static ... dynamic static n kgf cor cr cor b 0 0.250 c 0 0.130 d 0.005 0.010 0.005 0.010 0 ... .002 0.013 0.002 0.013 0.002 0.013 e fw cr 19.050 4 22.225 8 25.4001 28.5751 8 31 ... .7501 4 34.9251 8 38.1001 2 41.2751 8 44.4501 4 47.6251 8 50.8002 57. ... 1502 4 63.5002 2 69.8502 4 76.2003 82.5503 4 88.9003 2 101.6004 127.0005 ... 152.4006 14.288 16 14.288 16 17.462 16 17.462 16 20.638 16 20.638 ... 16 23.812 16 23.812 16 26.9881 16 26.9881 16 33.3381 16 33.3381 16 39.6881 16 ... | |
| cam followers stud type truck rollers multi ... -row cylindrical roller bearings metric series c b3 ntn ... type nukr a r 500 dfnd1 engg1 c1 b1 b2 type nukr d 100mm double row type ... full complement with seal d 30 180mm boundary ... dimensions mm d 0 0.050 c d1 0 0.018 0 0.018 0 0.018 0 0.021 0 0. ... 0 0.030 0 0.030 0 0.030 f b1 b2 g g1 c1 n m b3 a e h 30 35 40 47 52 62 72 80 90 ... 100 120 140 150 160 170 180 14 18 20 24 24 29 29 35 35 43 50 57 60 63 66 72 12 ... 16 18 20 20 24 24 30 30 36 42 48 52 56 60 64 14.5 19 21.5 ... 25.5 30 35 41.5 47.5 47.5 48.5 60.5 65 75.5 ... 52 58 66 66 80 80 100 100 120 140 160 170 180 190 200 25 32.5 36.5 40.5 40.5 49.5 ... | |
| cam followers stud type truck rollers with ... nukrt x ntn type nukrt shielded full-complement roller double -row cylindrical roller ... boundary dimensions dynamic mm d 1 c d1 0 0.018 0 0.018 0 0.018 0 0.021 0 0. ... ratings static dynamic static n kgf cor cr cor f b1 b2 g g1 c1 e m cr 30 35 40 ... 47 52 62 72 80 90 100 120 140 150 160 170 180 14 18 20 24 24 29 29 35 35 43 50 57 ... 60 63 66 72 12 16 18 20 20 24 24 30 30 36 42 48 52 56 60 64 14.5 19 21.5 ... 25.5 30 35 41.5 47.5 47.5 48.5 60.5 65 75.5 ... 52 58 66 66 80 80 100 100 120 140 160 170 180 190 200 25 32.5 36.5 40.5 40.5 49.5 ... | |
| cam followers stud type truck rollers with ... nukru x ntn type nukru shielded full-complement roller double -row cylindrical roller ... g basic load ratings dynamic static n c1 e m e eccentricity cr cor d1 c d1 0 0. ... 47 52 62 72 80 90 100 120 140 150 160 170 180 14 18 20 24 24 29 29 35 35 43 50 57 ... 60 63 66 72 12 16 18 20 20 24 24 30 30 36 42 48 52 56 60 64 14.5 19 21.5 ... 25.5 30 35 41.5 47.5 47.5 48.5 60.5 65 75.5 ... 52 58 66 66 80 80 100 100 120 140 160 170 180 190 200 25 32.5 36.5 40.5 40.5 49.5 ... 113 120 124 m12 m16 1.5 1.5 13 17 19 21 21 25 25 32 32 38 44 52 52 58 58 65 0.6 ... | |
| type fris sb non-separable d 16.5 25mm boundary dimensions dynamic mm d 0 0. ... 010 n e rs min1 l k cr basic load ratings static dynamic ... static kgf cor cr cor d 0 0.020 0 0.025 0 0.025 0 0.025 b ... 0 0.050 c 0 0.120 16.5 19 22 25 28 32 36 42 45 19 20 22 25 25 22 23 25 29 ... 29 23.5 27 29 35 37 0.3 0.3 0.3 0.3 0.3 22.2 22.2 22.2 26.4 26.4 7.7 7.7 9.8 10.2 10 ... .2 10 200 11 800 12 700 19 500 21 300 14 600 18 500 17 600 25 300 29 100 ... 1 040 1 200 1 300 1 980 2 170 1 480 1 880 1 800 2 580 2 970 note 1 ... allowable minimum chamfer dimension r b-261 ... | |
| appendix ntn °c-°f temperature conversion table °c 73 62 51 40 29 23.3 17.7 17.2 ... 6 16.1 15.5 15.0 14.4 13.9 13.3 12.7 12.2 11.6 11.1 10.5 10.0 9.4 8.8 8.3 7.7 7.2 ... 6.6 6.1 5.5 5.0 4.4 3.9 3.3 2.8 2.2 100 80 60 40 20 10 0 1 2 3 4 5 6 7 8 9 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 f 148 112 76 40 4 14 32 ... 33.8 35.6 37.4 39.2 41.0 42.8 44.6 46.4 48.2 50.0 51.8 53.6 ... 55.4 57.2 59.0 61.8 63.6 65.4 67.2 68.0 69.8 71.6 73.4 75.2 77.0 78.8 80.6 ... 82.4 °c 1.6 1.1 0.6 0 0.5 1.1 1.6 2.2 2.7 3.3 3.8 4.4 4.9 5.4 6.0 6.6 7.1 7.7 8.2 ... 8.8 9.3 9.9 10.4 11.1 11.5 12.1 12.6 13.2 13.7 14.3 14.8 15.6 16.1 16.6 17.1 29 ... | |
| appendix ntn continued brinnel hardness 10 mm ball load 3000 ... standard ball hultgren tungsten ball carbite ball a scale load 60 kgf brale identer ... b scale load 100 kgf dia 1/16in ball c-scale load 150 kgf brale indenter d-scale ... 50kgf 370 360 350 340 330 320 310 300 295 290 285 280 275 270 265 260 255 250 245 ... 240 230 220 210 200 190 180 170 160 150 140 130 120 110 100 95 90 85 ... 350 341 331 322 313 303 294 284 280 275 270 265 261 256 252 247 243 238 233 228 219 ... 209 200 190 181 171 162 152 143 133 124 114 105 ... 95 90 86 81 350 341 331 322 313 303 294 284 280 275 270 265 261 256 252 247 243 ... | |
| appendix ntn viscosity conversion table dynamic viscosity mm2/s 2.7 4.3 5 ... .4 8.9 10.4 11.8 13.1 14.5 15.8 17.0 18.2 19.4 20.6 23.0 25.0 27.5 29.8 32.1 34.3 ... 36.5 38.8 41.0 43.2 47.5 51.9 56.5 60.5 64.9 70.3 75.8 81.2 ... 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 220 240 260 280 300 325 350 ... 375 400 425 450 redwood r sec 32.2 36.2 40.6 44.9 49.1 53.5 57.9 62.3 67.6 71.0 ... 75.1 79.6 84.2 88.4 97.1 105.9 114.8 123.6 132.4 141.1 ... 150.0 158.8 167.5 176.4 194.0 212 229 247 265 287 309 331 353 375 397 engler e ... deg 1.18 1.32 1.46 1.60 1.75 1.88 2.02 2.15 2.31 2.42 2.55 2.68 2.81 2.95 3.21 3.49 ... | |
| 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 ... 710 800 900 1 000 1 120 1 250 1 400 6 10 18 30 40 50 65 80 100 120 ... 140 160 180 200 225 250 280 315 355 400 450 500 560 630 710 800 900 ... 1 000 1 120 1 250 1 400 1 600 a13 high 270 280 290 300 310 320 340 360 380 410 460 ... 520 580 660 740 820 920 1 050 1 200 1 350 1 500 1 650 low 450 500 560 630 ... 700 710 800 820 920 950 1 090 1 150 1 210 1 380 1 460 1 540 1 730 1 860 2 090 2 ... 240 2 470 2 620 high 70 80 95 110 120 130 140 150 ... 170 180 200 210 230 240 260 280 300 330 360 400 440 480 c12 low 190 230 ... | |
| 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 ... 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400 450 500 560 630 ... 710 800 900 1 000 1 120 1 250 400 600 800 000 e7 high 32 40 50 61 e10 ... low 20 25 32 40 e11 high 95 115 142 170 e12 high 140 175 212 250 f6 high 18 22 ... 27 33 f7 low 10 13 16 20 f8 low 10 13 16 20 g6 low 10 13 16 20 ... 7 h6 low 4 5 6 7 high 68 83 102 124 low 20 25 32 40 low 20 25 32 40 low 20 25 32 ... 40 high 22 28 34 41 high 28 35 43 53 high 12 14 17 20 high 16 20 24 ... 28 high low 8 9 11 13 0 0 0 0 75 90 107 ... | |
| appendix ntn inch millimeter conversion table inch fraction 1/64 1/32 3/64 1/16 ... 64 7/32 15/64 1 4 17/64 9/32 19/64 5/16 21/64 11/32 23/64 3 8 25/64 13/32 27/64 7/ ... 16 29/64 15/32 31/64 1 2 33/64 17/32 35/64 9/16 37/64 19/32 39/ ... 64 5 8 41/64 21/32 43/64 11/16 45/64 23/32 47/64 3 4 49/64 25/32 51/64 13/16 53 ... /64 27/32 55/64 7 8 57/64 39/32 59/64 15/16 61 ... /64 31/32 63/64 1in 25.4mm decimals 0.015625 0.031250 0.046875 0. ... 0.140625 0.156250 0.171875 0.187500 0.203125 0.218750 0.234375 0.250000 0.265625 0. ... 281250 0.296875 0.312500 0.328125 0.343750 0.359375 0. ... 984375 0 0.397 0.794 1.191 1.588 1.984 2.381 2.778 3.175 3.572 3.969 4.366 4.762 5. ... | |
