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Cylindrical roller bearing > Double row cylindrical roller bearings > Double column cylinder (standard) 25-850 millimeters

Double column cylinder (standard) 25-850 millimeters

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Product drawing

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drawing

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Product parameters

External dimensions（mm)Rated load(KN)Rated speed min-1Bearing codeInstallation size(mm)weight(kg)
dDBγ(minimum)FWEWCrCorgreaseoilCylindrical holeconical boreDa
(minimum）		da
(maximum）		d1a
(minimum)		dc
(minimum)		da
(maximum）		Da
(minimum）		γa
(maximum)		(refer to)
320 480 121 4 366 — 1350 2670 — — NNU 3064 NNU 3064 K 336 343 340 373 464 — 3 -
320 480 121 4 — 438 1350 2670 1100 1300 NN 3064 NN 3064 K 336 — 340 — 464 442 3 -
320 440 118 3 356 — 1260 3050 1100 1400 NNU 4964 NNU 4964 K 333 355 338 363 427 — 2.5 -
320 440 118 3 — 408 1260 3050 — — NN 4964 NN 4964 K 333 — 338 — 427 418 2.5 -
300 500 160 5 — 448 1760 3150 — — NN 3160 NN 3160 K 327 — 340 — — 470 4 -
300 460 160 4 — 418 1920 4100 — — NN 4060 NN 4060 K 323 — 336 — — 435 3 -
300 460 118 4 — 418 1290 2460 1200 1400 NN 3060 NN 3060 K 316 — 319 — 444 422 3 -
300 420 118 3 336 — 1230 2870 1200 1500 NNU 4960 NNU 4960 K 313 335 318 343 407 — 2.5 -
300 420 118 3 — 388 1230 2870 — — NN 4960 NN 4960 K 313 — 318 — 407 398 2.5 -
280 460 146 5 — 413 1520 2790 — — NN 3156 NN 3156 K 306 — 319 — — 431 4 -

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