ZWA Chinese bearing manufacturer

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ZWA Single-row Cylindrical Roller Bearing

Single-row Cylindrical Roller Bearing

BORE 280-300mm

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.

The products include

Single-row Cylindrical Roller Bearing
d 280-300mm
Basic Size Basic load rating Code Limiting Speed Mass Dimensions Abutment and chamfer dimensions
d D B 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
280 420 65 660 1060 NU1056MA 1400 1700 31.5 - 369 316 4 4 8.8 296 311 320 404 - 3 3
280 420 65/82 660 1060 312961(NUBZ/CN) 1400 1700 - 369 316 4 4 26 296 316 320 404 - 3 3
280 420 82 1230 2160 NU2056ECMA 1100 1400 40.0 - 377 314 4 4 3.4 296 310 318 404 - 3 3
280 500 80 1140 1700 NU256MA 1100 1400 71.5 - 417 340 5 5 3.8 300 333 344 480 - 4 4
280 500 80 1140 1700 NJ256MA 1100 1400 73.0 - 417 340 5 5 3.8 300 333 364 480 - 4 4
280 500 130 2200 3250 NU2256ECMA/VE900 950 1200 115 - 433 327 5 5 10.2 300 320 331 480 - 4 4
280 580 175 2700 4300 NU2356MA 850 1000 230 - 467 362 6 6 6.6 306 347 366 554 - 5 5
284.900 474.900 152.400 2240 4400 475620(NU/C3) 950 1200 120 - 413 331.8 4 4 5 301 327 336 459 - 3 3
287.600 474.900 152.400 2240 4400 475620(NU/C3) 950 1200 120 - 413 331.8 4 4 5 301 327 336 459 - 3 3
300 440 72 1080 1730 BC1B463551(NF/C5) 1000 1300 42.0 339 396 410 6.4 6.4 3.2 313 392 - 414 419 6 6
300 380 38 358 680 NU1860ECMA/VE900 1400 1700 10.5 - 354 321 2.1 1.5 4.6 308 317 325 369 - 2 1.5
300 380 48 473 980 NU2860ECM/VE900 1400 1700 13.5 - 356 321 2.1 1.5 8.5 308 318 325 369 - 2 1.5
300 380 48 473 980 NJ2860ECM/VE900 1400 1700 14.0 326 356 321 2.1 1.5 8.5 308 318 332 369 - 2 1.5
300 460 74 858 1370 NU1060MA 1200 1500 44.0 - 402 340 4 4 6 316 335 344 444 - 3 3
300 460 74 858 1370 NJ1060MA 1200 1500 44.0 356 402 340 4 4 6 316 335 344 444 - 3 3
300 460 95 1510 2750 NU2060ECMA 1000 1300 59.5 - 410 341 4 4 4.1 316 336 345 444 - 3 3
300 460 118 1650 3050 N3060K/VA701 1000 1300 72.0 356 - 425 1.5 4 10.7 316 420 - 444 429 1.5 4
300 540 85 1420 2120 NU260MA 1000 1300 89.5 - 451 364 5 5 4.8 320 358 368 520 - 4 4
300 540 85 1420 2120 NUP260MA 1000 1300 90.0 386 451 364 5 5 - 320 - - 520 - 4 4
300 540 140 2090 3450 NU2260MP 950 1200 145 - 451 364 5 5 5.6 320 352 368 520 - 4 4
300 540 140 2090 3450 NU2260MA 950 1200 145 - 451 364 5 5 5.6 320 352 368 520 - 4 4
300 620 185 4020 5850 NU2360ECMA 800 950 270 - 535 371 7.5 7.5 11 336 365 375 584 - 6 6

Targeting at producing high-end Bearings.