NNU Cylindrical Bore

Model

Cylindrical Roller Bearings > Double-Row Cylindrical Roller Bearings > NNU Cylindrical Bore

product

ORDER
Bearing No.
ⁿ/ₐ		 SD
Inside Diameter
[mm]		 D
Outside Diameter
[mm]		 B
Width
[mm]		 R
Chamfer Dimension
[mm]		 FW
Boundary Dimension
[mm]		 CR1
Basic Dynamic Load Ratings
[N]		 COR1
Basic Static Load Ratings
[N]		 CR2
Basic Dynamic Load Ratings
[kgf]		 COR2
Basic Static Load Ratings
[kgf]		 LG
Limiting Speed Grease
[rpm]		 LO
Limiting Speed Oil
[rpm]		 DA1
Abutment and Fillet Dimensions min.
[mm]		 DA2
Abutment and Fillet Dimensions max.
[mm]		 DC
Abutment and Fillet Dimensions min.
[mm]		 D3A
Abutment and Fillet Dimensions min.
[mm]		 RA
Abutment and Fillet Dimensions max.
[mm]		 MASS
Mass
[kg]
NNU4920 100 140 40 1.1 112 155000 295000 15800 30000 4000 5000 106.5 111 115 133.5 1 1.9
NNU4921 105 145 40 1.1 117 161000 315000 16400 32000 3800 4800 111.5 116 120 138.5 1 1.99
NNU4922 110 150 40 1.1 122 167000 335000 17000 34000 3600 4500 116.5 121 125 143.5 1 2.07
NNU4924 120 165 45 1.1 133.5 183000 360000 18700 37000 3200 4000 126.5 133 137 158.5 1 2.85
NNU4926 130 180 50 1.5 144 274000 545000 27900 56000 3000 3800 138 143 148 172 1.5 3.85
NNU4928 140 190 50 1.5 154 283000 585000 28800 59500 2800 3600 148 153 158 182 1.5 4.09
NNU4930 150 210 60 2 167 350000 715000 36000 72500 2600 3200 159 166 171 201 2 6.39
NNU4932 160 220 60 2 177 365000 760000 37000 77500 2400 3000 169 176 182 211 2 6.76
NNU4934 170 230 60 2 187 375000 805000 38500 82000 2400 2800 179 186 192 221 2 7.12
NNU4936 180 250 69 2 200 480000 1020000 49000 104000 2200 2600 189 199 205 241 2 10.4
NNU4938 190 260 69 2 211.5 485000 1060000 49500 108000 2000 2600 199 211 217 251 2 10.9
NNU4940 200 280 80 2.1 223 570000 1220000 58000 124000 1900 2400 211 222 228 269 2 15.3
NNU4944 220 300 80 2.1 243 600000 1330000 61000 136000 1700 2200 231 242 248 289 2 16.6
NNU4948 240 320 80 2.1 263 625000 1450000 63500 148000 1600 2000 251 262 269 309 2 18
NNU4952 260 360 100 2.1 289 935000 2100000 95000 214000 1400 1800 271 288 295 349 2 31.1
NNU4956 280 380 100 2.1 309 960000 2230000 98000 227000 1300 1700 291 308 315 369 2 33
NNU4960 300 420 118 3 336 1230000 2870000 125000 293000 1200 1500 313 335 343 407 2.5 51.8
NNU4964 320 440 118 3 356 1260000 3050000 129000 310000 1100 1400 333 355 363 427 2.5 54.9

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