Consult NTN Engineering about the fitting and bearing internal clearance when the bearing is used for the preparing roll of a rolling mill NN3972 − 480 118 3 1290 3250 131000 330000 NNU4972 NNU4972K − − 540 134 5 1650 3300 169000 340000 NNU3072 − NN3072 NN3072K 540 180 5 2470
Title NTN Large Bearings 2250 Author NTN Bearing Corporation of America Name NTN Large Bearings 2250 Length 337 pages Page 1 Published 20141205 NN3972 − NN3072 − − − NN3072K − 140 135 4 5 1630 1690 4050 3450 167000 172000 415000 355000 NNU4976 NNU3076 NNU4976K −
NN 3956 NNU 4968 NN 3144 NN 4956 NN 3068K NNU 3144 NNU 4956 NN 3068 NN 4848 NN 3056K NNU3068 NNU4848 NN 3056 NNU 4068 NN 3948 NNU3056 NN 3972 NN 4948 NN 3156 NNU 4972 NNU 4948 NNU 4860 NN 3072 NN 3048 NN 4960 NN 3072K NNU 3048 NNU 4960 NNU 3072
We edited this LargeSize Rolling Bearing Catalog to reflect the growing number of We hope this catalog will allow you to select the optimum bearing for your NN3972 — 480 118 3 396 — 1 390 3 550 142 000 365 000 NNU4972 — 540 134 5 — 493 1 700 3 450 173 000 350 000 NN3072 NN3072K
CAT No E125f 2008 E9 Printed in Japan ©NSK Ltd1989 がり（） H200904 Technical Information Deep Groove Ball B
(mm) (kg) Mass (rpm) Basie Load Ratings Bearing Numbers Abutment and Fillet Dimensions () 930 1120 1720 2130 2800 3450 1700 1700 1500 NN3972 NNU4972 NN3072 NNU4972K NN3072K 381 395 457 466 520 25 25 4 25 25 4
The advantages of the doublerow cylindrical roller bearings are high stiffness and high precision so they are usually used as main shaft bearings of precision machine NN 3972 3282972 448 373 453 467 25 449 480 118 3 1390 3550 NNU 4972 4482972 399 374 395 466 403 25 606 540 134 5
Ntn Large Bearings Catalog Ebook download as PDF File (pdf) Text File (txt) or read book online
4080 found find VBN 4078 order order NN 4051 paper paper NN 4039 changes change NNS 4004 age age NN 3982 months month NNS 3982 health health NN 3980 together together RB 3977 sense sense NN 3972 m m NNP 3968 response response NN 3966 cases case NNS 3966 single single JJ 3960 model model
Double row cylindrical roller bearings have two structures of cylindrical and tapered bore They mainly have 2 These two types of bearings allow axial displacements between shaft and housing and can be used as nonlocating bearings Double row 360 480 90 3 448 930 2130 NN 3972 3282972 449 480 118 3 399
Bearing Catalog Recently operating requirements for machines and other equipment that use rolling bearings have become increasingly severe and diversified NN3972 — 480 118 3 396 — 1 390 3 550 142 000 365 000 NNU4972 — 540 134 5 — 493 1 700 3 450 173 000 350 000 NN3072 NN3072K
11 Bearing life Even in bearings operating under normal conditions the surfaces of the raceway and rolling elements are constantly being subjected to repeated NN3972 − 480 118 3 1290 3250 131000 330000 NNU4972 NNU4972K − − 540 134 5 1650 3300 169000 340000 NNU3072 − NN3072
N 303 ECP N 304 ECP N 305 ECP N 306 ECP N 307 ECP N 308 ECP N 309 ECP N 310 ECP N 311 ECP N 312 ECP N 313 ECP N 314 ECP N 315 ECP N 316 ECP N 317 ECP N 318 ECP N 319 ECP N 320 ECP N 321 ECP N 322 ECP N 324 ECP N 326 ECP N1005 N1005 N1006 N1007
