NSK CYLINDRICAL ROLLER BEARINGS NU 3848

Single-Row

Cylindrical Roller Bearings Bore Diameter 100 – 1 320mm

Double-Row

Cylindrical Roller Bearings Bore Diameter 100 – 850mm

Types NU, N, NNU, and NN are suitable as free-end bearings. Types NJ and NF can

sustain limited axial loads in one direction. Types NH and NUP can be used as fixed

end bearings. Loose rib for NUP inner ring should be mounted so that its marked side

faces outward.

If high load capacity is required, Series E cylindrical roller bearings, which have larger

rollers and more rollers than usual, are also available.

For standard cylindrical roller bearings, either pressed, machined or pintype cages

are used.

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NSK BEARINGS various selection , welcome inquiry online or email me directly to : info@cmtgbearing.com.

Bearing Numbers  

 

a

Abutment and Fillet Dimensions (mm)  

ra    max .

 

rb    max .

Mass

(kg)

approx .

pb (1) pc

min .

pd

min .

Da                    Db
NU 3848 254 252 285 287 2 1 7.43
NU 1948 253 302 2 1.5 8.68
NU 2948 257 253 302 305 2 1.5 10.7
NU 1048 253 266 275 347 333 2.5 2.5 19.5
NU 3048 259 340 2.5 2.5 34.5
N     248 256 392 3 3 49.6
NU  248 256 289 298 316 424 3 3 50.4
NU 2248 289 298 316 424 3 3 84.9
NU 3248 262 262 415 415 3 3 110
N     348 260 438 4 4 92.3
NU  348 260 304 313 333 480 4 4 94.6
NU 1952 277 277 342 342 2 2 14.4
NU 2952 277 277 342 342 2 2 18.6
NU 1052 276 292 300 384 367 3 3 29.1
N     252 280 428 4 4 66.2
NU  252 280 314 323 343 460 4 4 67.1
NU 2252 280 314 323 343 460 4 4 111
NU 3252 286 450 4 4 147
NU  352 286 330 339 359 514 5 5 118
NU 3352 292 503 5 5 240
NU 2856 295 334 2 2 9.16
NU 3856 293 334 2 1 11.6
NU 1956 297 361 2 2 15.2
NU 2956 297 361 2 2 20.2
NU 1056 296 312 320 404 387 3 3 30.8
NU 3056 302 302 395 395 3 3 52
N     256 300 448 4 4 69.6
NU  256 300 334 344 364 480 4 4 70.7
NU 3356 313 313 542 542 5 5 300

CMTG BEARING CO.,LIMITED.  has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearingSKF bearing,NSK bearing,Nachi bearing, TIMKEN bearing, THK Linear Guide and Linear Block …ect.

Bearing typies including standard bearing and non-standard bearings, linear bearings, automotive bearings, large bearings, railway bearings,spherical plain bearings, high temperature,super-precision bearings, as well as some rare types customized to your need.

Contact us if any bearing in demand . we will check and revert ASAP.

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