The roller and raceway surface of cylindrical roller bearing is line contact, so the bearing can bear high load capacity and suitable for high-speed working condition. ZWA’s cylindrical roller bearings can be divided into three types, including single-row, double-row and four-row.
Single-row Cylindrical Roller Bearing | |||||||||||||||||||||
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d 320-340mm | |||||||||||||||||||||
Basic Size | Basic load rating | Code | Limiting Speed | Mass | Dimensions | Abutment and chamfer dimensions | |||||||||||||||
d | D | B/B1 | dynamic | static | grease | oil | d1≈ | D1≈ | F,E | r1.2min | r3.4min | S1) | damin | damax | dbmin | Damax | Damin | ramax | rbmax | ||
C | Co | ||||||||||||||||||||
mm | kN | - | r/min | kg | mm | mm | |||||||||||||||
320 | 415 | 43 | 468 | 865 | BC1B246315A(N/CN) | 1300 | 1600 | 16.2 | 352 | - | 392.6 | 4 | 2.1 | 4.3 | 336 | 388 | - | 428 | 394 | 3 | 2 |
320 | 480 | 74 | 880 | 1430 | NU1064MA | 1100 | 1400 | 48.5 | - | 422 | 360 | 4 | 4 | 3.5 | 336 | 355 | 364 | 464 | - | 3 | 3 |
320 | 480 | 74 | 880 | 1430 | NU1064MP | 1100 | 1400 | 48.5 | - | 422 | 360 | 4 | 4 | 3.5 | 336 | 355 | 364 | 464 | - | 3 | 3 |
320 | 480 | 74 | 880 | 1430 | NJ1064MA | 1100 | 1400 | 49.0 | 376 | 422 | 360 | 4 | 4 | 3.5 | 336 | 355 | 380 | 464 | - | 3 | 3 |
320 | 480 | 95 | 1450 | 2650 | NU2064ECMA | 950 | 1200 | 62.5 | - | 428 | 360 | 4 | 4 | 8.1 | 336 | 357 | 364 | 464 | - | 3 | 3 |
320 | 480 | 121 | 1830 | 3200 | NU3064ECM | 950 | 1200 | 75.0 | - | 431 | 351.3 | 4 | 4 | 6.2 | 336 | 344 | 354 | 464 | - | 3 | 3 |
320 | 540 | 176 | 3140 | 5400 | NU3164EMA/VE900 | 850 | 1000 | 175 | - | 476 | 368 | 5 | 5 | 9.6 | 340 | 360 | 372 | 520 | - | 4 | 4 |
320 | 580 | 92 | 1610 | 2450 | NU264MA | 950 | 1200 | 115 | - | 485 | 390 | 5 | 5 | 5.3 | 340 | 383 | 394 | 560 | - | 4 | 4 |
320 | 580 | 150 | 2380 | 4000 | NU2264MA | 900 | 1100 | 180 | - | 485 | 390 | 5 | 5 | 5.9 | 340 | 377 | 394 | 560 | - | 4 | 4 |
320 | 580 | 150 | 2380 | 4000 | N2264MB | 900 | 1100 | 180 | 415 | - | 510 | 5 | 5 | 5.9 | 340 | 505 | - | 560 | 522 | 4 | 4 |
320 | 580 | 190.050 | 4130 | 6550 | TNU9264 | 800 | 950 | 230 | - | 515 | 380 | 5 | 5 | 4.6 | 340 | 373 | 384 | 560 | - | 4 | 4 |
320 | 620 | 165 | 3410 | 5300 | BC1B319915/HA4(NU/CN) | 850 | 1000 | 235 | - | 532 | 396.4 | 6 | 6 | 10 | 346 | 386 | 401 | 594 | - | 5 | 5 |
320 | 620 | 165 | 3410 | 5300 | BC1B319915A/H4(NUP/CN) | 850 | 1000 | 243 | 426 | 532 | 396.4 | 6 | 6 | - | 346 | 430 | - | 594 | - | 5 | 5 |
340 | 420 | 35 | 212 | 400 | 316197(N/C3W33) | 1200 | 1500 | 9.60 | 369 | - | 398 | 2.1 | 2.1 | 3.4 | 352 | 394 | - | 408 | 401 | 2 | 2 |
340 | 420 | 48 | 512 | 1120 | NJ2868ECMA/VE900 | 1200 | 1500 | 15.0 | 368 | 395 | 361 | 2.1 | 2.1 | 1.7 | 352 | 357 | 372 | 408 | - | 2 | 2 |
340 | 460 | 56 | 682 | 1200 | NU1968ECMA | 1100 | 1400 | 27.5 | - | 421 | 370 | 3 | 3 | 1.8 | 353 | 365 | 374 | 447 | - | 2.5 | 2.5 |
340 | 460 | 72 | 809 | 1660 | NU2968M | 1100 | 1400 | 36.0 | - | 417 | 373 | 3 | 3 | 8.5 | 353 | 369 | 377 | 447 | - | 2.5 | 2.5 |
340 | 460 | 72 | 1020 | 2040 | NJ2968ECMA/VE900 | 1100 | 1400 | 37.0 | 377 | 421 | 367 | 3 | 3 | 3.8 | 353 | 363 | 381 | 447 | - | 2.5 | 2.5 |
340 | 460.080 | 56 | 627 | 1120 | 313816(NU/CN) | 1100 | 1400 | 27.5 | - | 421 | 371 | 3 | 3 | 1.8 | 353 | 365 | 374 | 447 | - | 2.5 | 2.5 |
340 | 520 | 82 | 1080 | 1760 | NU1068MA | 1000 | 1300 | 65.0 | - | 455 | 385 | 5 | 5 | 6.5 | 360 | 380 | 389 | 500 | - | 4 | 4 |
340 | 520 | 82 | 1080 | 1760 | NJ1068MA | 1000 | 1300 | 68.0 | 403 | 455 | 385 | 5 | 5 | 6.5 | 360 | 380 | 408 | 500 | - | 4 | 4 |
340 | 520 | 82 | 1080 | 1760 | NU1068MP | 1000 | 1300 | 65.0 | - | 455 | 385 | 5 | 5 | 6.5 | 360 | 380 | 389 | 500 | - | 4 | 4 |
340 | 520 | 133 | 2200 | 4150 | NU3068MA/VE900 | 900 | 1100 | 106 | - | 463 | 385 | 5 | 5 | 10 | 360 | 380 | 389 | 500 | - | 4 | 4 |
340 | 520 | 133 | 1870 | 3550 | N3068K/VA701 | 900 | 1100 | 104 | 404 | - | 478 | 3 | 5 | 13.5 | 360 | 473 | - | 500 | 482 | 3 | 4 |