Page 166 - Rollingbearings

B.6 Bearing interfaces
Table 16
Shaft tolerances and resultant its

Shaft Bearing Shaft diameter deviations, resultant its 1)
Nominal diameter Bore diameter Tolerance classes
tolerance
d t Δdmp r6+IT6 r7+IT7
Deviations (shaft diameter)
Theoretical interference (–)
over incl low high Probable interference (–)

mm µm µm

315 355 –40 0 +180 +144 +222 +165
–220 –144 –262 –165
–209 –155 –248 –179
355 400 –40 0 +186 +150 +228 +171
–226 –150 –268 –171
–215 –161 –254 –185
400 450 –45 0 +206 +166 +252 +189
–251 –166 –297 –189
–239 –178 –282 –204
450 500 –45 0 +212 +172 +258 +195
–257 –172 –303 –195
–245 –184 –288 –210
500 560 –50 0 +238 +194 +290 +220
–288 –194 –340 –220
–208
–274
–237
–323
Bearing interfaces 560 630 –50 0 +243 +199 +295 +225

–199
–345
–293

–225

–279

–213
–242

–328
0
–75
+335
+255
630
+225
710
+275

–255
–350
–225
–410

+345
+285
+265
+235
B.6 710 800 –75 0 –333 –242 –387 –278
–235
–265

–420

–360

–397

–343
–252
–288
800 900 –100 0 +322 +266 +390 +300
–422 –266 –490 –300
–401 –287 –462 –328
900 1 000 –100 0 +332 +276 +400 +310
–432 –276 –500 –310
–411 –297 –472 –338
1 000 1 120 –125 0 +382 +316 +460 +355
–507 –316 –585 –355
–482 –341 –552 –388
1 120 1 250 –125 0 +392 +326 +470 +365
–517 –326 –595 –365
–492 –351 –562 –398
164