KOYO Catalog

NNU type

KOYO - NNU type

Product number d D B r(min.) Fw Ew Basic load ratings : Cr Basic load ratings : C0r Fatigue load limit : Cu Limiting speeds(Grease lub.) Limiting speeds(Oil lub.) da(min.) da(max.) db(min.) Da(max.) da(min.) ra(max.) (Refer.)Mass
NNU4920 100 mm 140 mm 40 mm 1.1 mm 113 mm - mm 173 kN 258 kN 32.9 kN 4000 min-1 4800 min-1 106.5 mm 111 mm 115 mm 133.5 mm - mm 1 mm 1.95 kg
NNU4921 105 mm 145 mm 40 mm 1.1 mm 118 mm - mm 196 kN 306 kN 40.2 kN 3900 min-1 4600 min-1 111.5 mm 116 mm 120 mm 138.5 mm - mm 1 mm 2.00 kg
NNU4922 110 mm 150 mm 40 mm 1.1 mm 123 mm - mm 204 kN 326 kN 42.4 kN 3700 min-1 4500 min-1 116.5 mm 121 mm 125 mm 143.5 mm - mm 1 mm 2.10 kg
NNU4924 120 mm 165 mm 45 mm 1.1 mm 134.5 mm - mm 234 kN 373 kN 47.6 kN 3400 min-1 4000 min-1 126.5 mm 132 mm 137 mm 158.5 mm - mm 1 mm 2.90 kg
NNU4926 130 mm 180 mm 50 mm 1.5 mm 146 mm - mm 269 kN 428 kN 50.2 kN 3100 min-1 3700 min-1 138 mm 143.5 mm 148 mm 172 mm - mm 1.5 mm 3.90 kg
NNU4928 140 mm 190 mm 50 mm 1.5 mm 156 mm - mm 277 kN 456 kN 52.5 kN 2900 min-1 3500 min-1 148 mm 153.5 mm 158 mm 182 mm - mm 1.5 mm 4.15 kg
NNU4930 150 mm 210 mm 60 mm 2 mm 168.5 mm - mm 430 kN 692 kN 80.7 kN 2600 min-1 3100 min-1 159 mm 166 mm 171 mm 201 mm - mm 2 mm 6.50 kg
NNU4932 160 mm 220 mm 60 mm 2 mm 178.5 mm - mm 425 kN 695 kN 79.8 kN 2500 min-1 3000 min-1 169 mm 176 mm 182 mm 211 mm - mm 2 mm 6.95 kg
NNU4934 170 mm 230 mm 60 mm 2 mm 188.5 mm - mm 451 kN 763 kN 86.4 kN 2300 min-1 2800 min-1 179 mm 186 mm 192 mm 221 mm - mm 2 mm 7.20 kg
NNU4936 180 mm 250 mm 69 mm 2 mm 202 mm - mm 572 kN 964 kN 117 kN 2100 min-1 2600 min-1 189 mm 199.5 mm 205 mm 241 mm - mm 2 mm 10.5 kg
NNU4938 190 mm 260 mm 69 mm 2 mm 210 mm - mm 581 kN 996 kN 119 kN 2000 min-1 2400 min-1 199 mm 207 mm 215 mm 251 mm - mm 2 mm 11.0 kg
NNU4940 200 mm 280 mm 80 mm 2.1 mm 223 mm - mm 636 kN 1050 kN 125 kN 1900 min-1 2300 min-1 211 mm 219.5 mm 228 mm 269 mm - mm 2 mm 15.4 kg
NNU4944 220 mm 300 mm 80 mm 2.1 mm 244 mm - mm 701 kN 1220 kN 145 kN 1700 min-1 2000 min-1 231 mm 241 mm 248 mm 289 mm - mm 2 mm 16.7 kg
NNU4948 240 mm 320 mm 80 mm 2.1 mm 263 mm - mm 736 kN 1340 kN 155 kN 1600 min-1 1900 min-1 251 mm 260 mm 269 mm 309 mm - mm 2 mm 18.0 kg
NNU4952 260 mm 360 mm 100 mm 2.1 mm 287 mm - mm 1180 kN 2050 kN 228 kN 1400 min-1 1700 min-1 271 mm 284 mm 296 mm 349 mm - mm 2 mm 31.4 kg
NNU4956 280 mm 380 mm 100 mm 2.1 mm 308 mm - mm 1220 kN 2200 kN 239 kN 1300 min-1 1500 min-1 291 mm 305 mm 316 mm 369 mm - mm 2 mm 33.1 kg
NNU4960 300 mm 420 mm 118 mm 3 mm 339 mm - mm 1470 kN 2720 kN 285 kN 1100 min-1 1300 min-1 313 mm 335 mm 343 mm 407 mm - mm 2.5 mm 51.9 kg
NNU4964 320 mm 440 mm 118 mm 3 mm 352 mm - mm 1530 kN 2750 kN 286 kN 1100 min-1 1300 min-1 333 mm 348 mm 363 mm 427 mm - mm 2.5 mm 53.7 kg
NNU4968 340 mm 460 mm 118 mm 3 mm 372 mm - mm 1580 kN 2930 kN 301 kN 990 min-1 1200 min-1 353 mm 368 mm 383 mm 447 mm - mm 2.5 mm 56.8 kg
NNU4972 360 mm 480 mm 118 mm 3 mm 390 mm - mm 1340 kN 3050 kN 314 kN 920 min-1 1100 min-1 373 mm 387 mm 394 mm 467 mm - mm 2.5 mm 58.2 kg
NNU4984 420 mm 560 mm 140 mm 4 mm 460 mm - mm 1670 kN 4290 kN 413 kN 730 min-1 880 min-1 436 mm 457 mm 465 mm 544 mm - mm 3 mm 96.7 kg
NNU4988 440 mm 600 mm 160 mm 4 mm 487 mm - mm 2060 kN 5000 kN 477 kN 660 min-1 800 min-1 456 mm 483 mm 492 mm 584 mm - mm 3 mm 133 kg
NNU4992 460 mm 620 mm 160 mm 4 mm 502 mm - mm 2250 kN 5440 kN 516 kN 630 min-1 760 min-1 476 mm 498 mm 507 mm 604 mm - mm 3 mm 136 kg
NNU49/560 560 mm 750 mm 190 mm 5 mm 613 mm - mm 3190 kN 7940 kN 714 kN 450 min-1 540 min-1 580 mm 608 mm 619 mm 730 mm - mm 4 mm 233 kg
NNU49/600 600 mm 800 mm 200 mm 5 mm 652 mm - mm 3500 kN 8630 kN 762 kN 400 min-1 480 min-1 620 mm 647 mm 658 mm 780 mm - mm 4 mm 272 kg
NNU49/670 670 mm 900 mm 230 mm 6 mm 732 mm - mm 5270 kN 14100 kN 1190 kN 320 min-1 390 min-1 694 mm 726 mm 740 mm 876 mm - mm 5 mm 420 kg
NNU49/710 710 mm 950 mm 243 mm 6 mm 775 mm - mm 5890 kN 16200 kN 1350 kN 290 min-1 350 min-1 734 mm 769 mm 783 mm 926 mm - mm 5 mm 491 kg