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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)
190 260 69 2 — 243 485 1060 — — NN 4938 NN 4938 K 199 — 203 — 251 245 2 -
190 260 52 2 — 243 345 680 — — NN 3938 NN 3938 K 203 — 208 — — 245 2 -
180 280 74 2.1 — 255 565 995 2000 2400 NN 3036 NN 3036 K 191 — 193 — 269 258 2 -
180 250 69 2 200 — 480 1020 2200 2600 NNU 4936 NNU 4936 K 189 199 193 205 241 — 2 -
180 250 69 2 — 232 480 1020 — — NN 4936 NN 4936 K 189 — 193 — 241 236 2 -
180 250 52 2 — 232 340 655 — — NN 3936 NN 3936 K 193 — 198 — — 236 2 -
170 260 67 2.1 196 — 450 805 — — NNU 3034 NNU 3034 K 181 185 183 201 249 — 2 -
170 260 67 2.1 — 236 450 805 2200 2600 NN 3034 NN 3034 K 181 — 183 — 249 239 2 -
170 230 60 2 187 — 375 805 2400 2800 NNU 4934 NNU 4934 K 179 186 182 192 221 — 2 -
170 230 60 2 — 215 375 805 — — NN 4934 NN 4934 K 179 — 182 — 221 216 2 -

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