NN Cylindrical Bore

Model

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

product

ORDER
Bearing No.
ⁿ/ₐ		 SD
Inside Diameter
[mm]		 D
Outside Diameter
[mm]		 B
Width
[mm]		 R
Chamfer Dimension
[mm]		 EW
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]		 D1A
Abutment and Fillet Dimensions min.
[mm]		 DA3
Abutment and Fillet Dimensions min.
[mm]		 DA4
Abutment and Fillet Dimensions max.
[mm]		 RA
Abutment and Fillet Dimensions max.
[mm]		 MASS
Mass
[kg]
NN3038 190 290 75 2.1 265 595000 1080000 60500 110000 2000 2400 201 203 279 268 2 17.8
NN3040 200 310 82 2.1 282 655000 1170000 66500 119000 1800 2200 211 214 299 285 2 22.7
NN3044 220 340 90 3 310 815000 1480000 83000 151000 1700 2000 233 236 327 313 2.5 29.6
NN3048 240 360 92 3 330 855000 1600000 87000 163000 1500 1800 253 256 347 334 2.5 32.7
NN3052 260 400 104 4 364 1030000 1920000 105000 196000 1400 1700 276 278 384 368 3 47.7
NN3056 280 420 106 4 384 1080000 2080000 110000 212000 1300 1500 296 298 404 388 3 51.1
NN3060 300 460 118 4 418 1290000 2460000 132000 251000 1200 1400 316 319 444 422 3 70.7
NN3064 320 480 121 4 438 1350000 2670000 138000 272000 1100 1300 336 340 464 442 3 76.6
NN3068 340 520 133 5 473 1670000 3300000 170000 340000 1000 1200 360 365 500 477 4 102
NN3072 360 540 134 5 493 1700000 3450000 173000 350000 950 1200 380 385 520 497 4 107

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