Ball and Roller Bearings - Ntn-snr.com

Double Row Angular Contact Thrust Ball Bearings
r1a
ra
Da
da
Wo
Equivalent bearing load
dynamic
PaFa
static
PoaFa
do
Oil inlet, oil groove dimensions
Units mm
Dimensions Abutment and fillet dimensions Mass approx.
mm mm kg
d a D a r as r 1as
2
small dia. large dia.
J E W min max max max type type
163 168 150 173.5 1.5 1 4.11 3.7
177 182 155 192 2 1 8.58 7.6
173 178 160 183.5 1.5 1 4.38 3.94
187 192 165 202 2 1 9.1 8.1
190 196.5 174 202 2 1 6.88 6.2
200 206 178 215 2 1 11.2 10
Nominal outer Oil groove width Wo Oil inlet do
diameter
D
Bearing series Bearing series
5629 5620 5629 5620
80 150 8 8 4 4
150 200 8 12 4 6
200 210 12 12 6 6
210 260 12 14 6 6
260 320 14 16 6 8
320 400 16 23 8 12
400 480 22 22 12 12
200 206.5 184 212 2 1 7.26 6.53
212 219 189 230 2 1 13.6 11.9
210 216.5 194 222 2 1 7.64 6.88
230 236 203 250 2 1 18.5 16.5
227 234 207 242 2 1 11.2 10
248 255 219 270 2 1 24.7 21.8
237 244 217 252 2 1 11.7 10.5
258 265 229 280 2 1 25.5 23
252 261 231 270 2 1 16.3 14.7
274 282 243 300 2 1 32.7 29.7
272 281 251 290 2 1 17.7 16
304 310 267 330 2.5 1 42.8 38.5
292 301 271 310 2 1 19 17
322 330 287 350 2.5 1 45.8 41.2
328 336 299 350 2 1 32.9 29.6
354 364 315 388 3 1.5 67 60.3
348 356 319 370 2 1 35 31.5
374 384 335 408 3 1.5 71.1 64
384 391 349 410 2.5 1 55 49.5
406 418 364 448 3 1.5 102 91.8
404 411 369 430 2.5 1 58.1 52.3
426 438 384 468 3 1.5 108 97.2
Note: 2. The following bearing series can be assembled and used together: 5629 (M) and NNU49 (K) and NN49 (K); 5620 (M) and NN30 (K).
3. These are high precision bearings manufactured at NTN standard Class 5 or higher.
B-277