Ball and Roller Bearings - Ntn-snr.com

Deep Groove Ball Bearings
Equivalent bearing load
dynamic
PrXFrYFa
Fa Fa
Fa
e
e Fr Fr e
Cor
X Y X Y
0.010 0.18
0.020 0.20
0.040 0.24
0.070 0.27
0.10 0.29
0.15 0.32
0.20 0.35
0.30 0.38
0.40 0.41
0.50 0.44
static
PorFrFa
When PorFr use PorFr
1 0 0.56
2.46
2.14
1.83
1.61
1.48
1.35
1.25
1.13
1.05
1.00
Abutment and fillet
dimensions
mm
Mass
kg
d a D a r as
min max max approx.
186.5 218.5 1 2.03
189 241 2 4.76
189 271 2 6.49
191 269 2 8.8
196 304 3 15.1
196 364 3 35.6
198 232 1.5 2.62
199 251 2 4.98
199 281 2 6.77
201 279 2 9.18
206 324 3 18.2
210 380 4 41
208 242 1.5 2.73
211 269 2 7.1
209 301 2 8.68
211 299 2 11.9
216 344 3 21.6
220 400 4 46.3
228 262 1.5 3
231 289 2 7.69
231 329 2 11.3
233 327 2.5 15.7
236 384 3 30.2
240 440 4 60.8
249 291 2 4.6
251 309 2 8.28
251 349 2 12.1
253 347 2.5 16.8
269 311 2 5
271 349 2 13.9
273 387 2.5 18.5
276 384 3 25
B-21