KOYO BEARING
Boundary dimensions
d                           D                       T                     B                     C              r mm         1/25.4           mm       1/25.4         mm     1/25.4        mm     1/25.4        mm     1/25.4    min. |
r1 Â Â Â min. |
Bearing No. 1) |
De-   sign | Basic load ratings
(kN) Cr              C0r |
Fatigue   load limit
(kN) Cu |
Load
center (mm) a |
da min. |
db    max. |
Mounting dimensions
(mm) Da                       Db           Sa max.      min.       min.     min. |
Sb    min. |
ra     max. |
rb     max. |
Con-
stant e |
Axial load factors
Y1Â Â Â Â Â Â Â Â Â Â Â Â Y0 |
(Refer.)
Mass (kg) |
||||||||||||
203.200Â Â Â 8.0000 | 317.500 | 12.5000 | 53.975Â 2.1250 | 53.975Â 2.1250 | 34.925Â 1.3750 | 4 | 3.2 | EE132083/132125 | 1 | 550 | 724 | 83.2 | 48.4 | 218 | 238 | 305 | 285 | 292 | 7 | 19.1 | 4 | 3.2 | 0.31 | 1.91 | 1.05 | 13.9 | |
8.0000 | 317.500 | 12.5000 | 63.500Â 2.5000 | 63.500Â 2.5000 | 46.038Â 1.8125 | 4.3 | 3.2 | 93800/93125 | 1 | 757 | 1Â 130 | 122 | 71.4 | 218 | 227 | 305 | 278 | 294 | 7 | 17.5 | 4.3 | 3.2 | 0.52 | 1.15 | 0.63 | 17.4 | |
8.0000 | 317.500 | 12.5000 | 63.500Â 2.5000 | 63.500Â 2.5000 | 46.038Â 1.8125 | 7.9 | 3.2 | 93800A/93125 | 1 | 757 | 1Â 130 | 122 | 71.4 | 225 | 227 | 305 | 278 | 294 | 7 | 17.5 | 7.9 | 3.2 | 0.52 | 1.15 | 0.63 | 17.3 | |
8.0000 | 360.000 | 14.1732 | 92.075Â 3.6250 | 88.897Â 3.4999 | 63.500Â 2.5000 | 3.2 | 3.2 | EE420801/421417 | 1 | 1Â 180 | 1Â 460 | 159 | 75.6 | 216 | 243 | 347 | 317 | 334 | 6 | 28.6 | 3.2 | 3.2 | 0.40 | 1.49 | 0.82 | 35.4 | |
8.0000 | 368.300 | 14.5000 | 92.075Â 3.6250 | 88.897Â 3.4999 | 63.500Â 2.5000 | 3.2 | 3.2 | EE420801/421450 | 1 | 1Â 180 | 1Â 460 | 159 | 75.6 | 216 | 243 | 355 | 317 | 334 | 6 | 28.6 | 3.2 | 3.2 | 0.40 | 1.49 | 0.82 | 37.8 | |
8.0000 | 406.400 | 16.0000 | 92.075Â 3.6250 | 85.725Â 3.3750 | 57.150Â 2.2500 | 6.4 | 6.4 | EE114080/114160 | 1 | 1Â 190 | 1Â 460 | 152 | 119.8 | 222 | 253 | 387 | 337 | 367 | 6 | 34.9 | 6.4 | 6.4 | 0.79 | 0.76 | 0.42 | 48.5 | |
8.0000 | 482.600 | 19.0000 | 117.475Â 4.6250 | 95.250Â 3.7500 | 73.025Â 2.8750 | 6.4 | 6.4 | EE380080/380190 | 1-P | 1Â 810 | 2Â 060 | 209 | 152.8 | 222 | 273 | 463 | 385 | 427 | 1 | 44.5 | 6.4 | 6.4 | 0.87 | 0.69 | 0.38 | 93.5 | |
203.987Â Â Â 8.0310 | 276.225 | 10.8750 | 42.863Â 1.6875 | 46.038Â 1.8125 | 34.132Â 1.3438 | 3.6 | 3.2 | LM241148/LM241111 | 1 | 469 | 715 | 89.7 | 46.3 | 218 | 222 | 263 | 257 | 264 | 4 | 8.7 | 3.6 | 3.2 | 0.32 | 1.88 | 1.04 | 7.12 | |
204.788Â Â Â 8.0625 | 292.100 | 11.5000 | 57.945Â 2.2813 | 57.945Â 2.2813 | 46.038Â 1.8125 | 3.6 | 3.2 | M241549/M241510 | 1 | 683 | 1Â 030 | 115 | 52.6 | 218 | 223 | 279 | 267 | 277 | 7 | 11.9 | 3.6 | 3.2 | 0.33 | 1.80 | 0.99 | 11.5 | |
206.375Â Â Â 8.1250 | 282.575 | 11.1250 | 46.038Â 1.8125 | 46.038Â 1.8125 | 36.513Â 1.4375 | 3.6 | 3.2 | 67985/67920 | 1 | 437 | 707 | 77.6 | 61.6 | 220 | 222 | 270 | 259 | 271 | 7 | 9.5 | 3.6 | 3.2 | 0.51 | 1.18 | 0.65 | 8.07 | |
8.1250 | 317.500 | 12.5000 | 53.975Â 2.1250 | 53.975Â 2.1250 | 34.925Â 1.3750 | 4 | 3.2 | EE132084/132125 | 1 | 550 | 724 | 83.2 | 48.4 | 221 | 238 | 305 | 285 | 292 | 7 | 19.1 | 4 | 3.2 | 0.31 | 1.91 | 1.05 | 13.4 | |
8.1250 | 319.088 | 12.5625 | 53.975Â 2.1250 | 53.975Â 2.1250 | 34.925Â 1.3750 | 4 | 3.2 | EE132084/132127 | 1 | 550 | 724 | 83.2 | 48.4 | 221 | 238 | 306 | 285 | 292 | 7 | 19.1 | 4 | 3.2 | 0.31 | 1.91 | 1.05 | 13.6 | |
8.1250 | 336.550 | 13.2500 | 98.425Â 3.8750 | 100.013Â 3.9375 | 77.788Â 3.0625 | 3.2 | 3.2 | H242649/H242610 | 1 | 1Â 300 | 1Â 900 | 200 | 73.8 | 219 | 236 | 324 | 300 | 317 | 9 | 20.6 | 3.2 | 3.2 | 0.33 | 1.80 | 0.99 | 33.1 | |
209.550Â Â Â 8.2500 | 317.500 | 12.5000 | 63.500Â 2.5000 | 63.500Â 2.5000 | 46.038Â 1.8125 | 4.3 | 3.2 | 93825/93125 | 1 | 757 | 1Â 130 | 122 | 71.4 | 225 | 227 | 305 | 278 | 294 | 7 | 17.5 | 4.3 | 3.2 | 0.52 | 1.15 | 0.63 | 16.4 | |
8.2500 | 317.500 | 12.5000 | 63.500Â 2.5000 | 63.500Â 2.5000 | 46.038Â 1.8125 | 12.7 | 3.2 | 93825A/93125 | 1 | 757 | 1Â 130 | 122 | 71.4 | 241 | 227 | 305 | 278 | 294 | 7 | 17.5 | 12.7 | 3.2 | 0.52 | 1.15 | 0.63 | 16.2 | |
8.2500 | 333.375 | 13.1250 | 69.850Â 2.7500 | 69.850Â 2.7500 | 52.388Â 2.0625 | 6.4 | 6.4 | HM743345/HM743310 | 1 | 942 | 1Â 330 | 144 | 71.9 | 229 | 243 | 314 | 301 | 316 | 7 | 17.5 | 6.4 | 6.4 | 0.44 | 1.37 | 0.75 | 22.2 | |
8.2500 | 355.600 | 14.0000 | 68.263Â 2.6875 | 66.675Â 2.6250 | 47.625Â 1.8750 | 7.1 | 3.2 | 96825/96140 | 1 | 823 | 1Â 320 | 139 | 84.9 | 230 | 259 | 343 | 312 | 331 | 8 | 20.6 | 7.1 | 3.2 | 0.59 | 1.02 | 0.56 | 26.9 | |
215.900Â Â Â 8.5000 | 288.925 | 11.3750 | 46.038Â 1.8125 | 46.038Â 1.8125 | 34.925Â 1.3750 | 3.6 | 3.2 | LM742749/LM742714 | 1 | 447 | 781 | 95.2 | 60.7 | 230 | 232 | 276 | 265 | 276 | 6 | 11.1 | 3.6 | 3.2 | 0.48 | 1.25 | 0.69 | 7.94 | |
8.5000 | 360.000 | 14.1732 | 82.550Â 3.2500 | 79.372Â 3.1249 | 63.500Â 2.5000 | 1.6 | 3.2 | EE420850/421417 | 1 | 1Â 180 | 1Â 460 | 159 | 75.7 | 226 | 243 | 347 | 317 | 334 | 6 | 19.1 | 1.6 | 3.2 | 0.40 | 1.49 | 0.82 | 30.9 | |
220 | 300 | 51          — | 51          — | 39          — | 3 | 2.5 | 32944JR | 1 | 621 | 1 010 | 112 | 58.6 | 234 | 234 | 288 | 275 | 290 | 9 | 12 | 2.5 | 2 | 0.43 | 1.41 | 0.78 | 10.1 | ||
— | 340 | — | 76          — | 76          — | 57          — | 4 | 3 | 32044JR | 1 | 1 120 | 1 620 | 175 | 72.8 | 238 | 243 | 326 | 300 | 326 | 12 | 19 | 3 | 2.5 | 0.43 | 1.39 | 0.77 | 25.2 | |
— | 400 | 72          — | 65          — | 54          — | 5 | 4 | 30244JR | 1 | 1 260 | 1 440 | 160 | 76.5 | 242 | 263 | 382 | 344 | 371 | 14 | 17 | 4 | 3 | 0.44 | 1.43 | 0.79 | 35.9 | ||
220.663Â Â Â 8.6875 | 314.325 | 12.3750 | 61.913Â 2.4375 | 61.913Â 2.4375 | 49.213Â 1.9375 | 6.4 | 3.2 | M244249/M244210 | 1 | 768 | 1Â 220 | 135 | 58.0 | 240 | 243 | 301 | 288 | 299 | 5 | 12.7 | 6.4 | 3.2 | 0.33 | 1.80 | 0.99 | 14.5 |
CMTG BEARING CO.,LIMITED.  has been engaged in bearing industry for many years, we provide a wide selections of brands, including FAG bearing, SKF 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.