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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)
220 300 80 2.1 — 279 600 1330 — — NN 4944 NN 4944 K 231 — 234 — 289 283 2 -
220 300 60 2.1 — 279 440 895 — — NN 3944 NN 3944 K 236 — 241 — — 283 2 -
200 310 109 2.1 — 282 890 1730 — — NN 4040 NN 4040 K 216 — 225 — — 293 2 -
200 310 82 2.1 232 — 655 1170 — — NNU 3040 NNU 3040 K 211 216 214 237 299 — 2 -
200 310 82 2.1 — 282 655 1170 1800 2200 NN 3040 NN 3040 K 211 — 214 — 299 285 2 -
200 280 80 2.1 223 — 570 1220 1900 2400 NNU 4940 NNU 4940 K 211 222 214 228 269 — 2 -
200 280 80 2.1 — 259 570 1220 — — NN 4940 NN 4940 K 211 — 214 — 269 263 2 -
200 280 60 2.1 — 259 420 815 — — NN 3940 NN 3940 K 216 — 221 — — 263 2 -
190 290 75 2.1 — 265 595 1080 2000 2400 NN 3038 NN 3038 K 201 — 203 — 279 268 2 -
190 260 69 2 211.5 — 485 1060 2000 2600 NNU 4938 NNU 4938 K 199 211 203 217 251 — 2 -

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