KOYO BEARING
| Bearing No. 1) |
Design |
Mounting dimensions
(mm) da              Da            Sa           ra            rb min.       min.     min.    max.   max. |
Constant
e |
Axial load factors
Y2Â Â Â Â Â Â Â Â Â Â Â Y3Â Â Â Â Â Â Â Â Â Â Â Y0 |
Mass (kg) | ||||||
| NA67790/67720D
NA87700//87112D NA94700//94114D |
2
1 1 |
196
196 206 |
237
266 269 |
9.5
14.3 15.9 |
3.6
3.6 5.6 |
0.8
1.6 1.6 |
0.44
0.42 0.47 |
1.54Â 1.62Â 1.44 | 2.29Â 2.42
2.15 |
1.50Â 1.59Â 1.41 | 14.2
23.5 33.3 |
| H239649NA/H239612D | 2 | 216 | 300 | 23.8 | 5.6 | 1.6 | 0.32 | 2.12 | 3.15 | 2.07 | 52.7 |
| NA67885SW//20D | 1 | 209 | 257 | 12.7 | 3.6 | 0.8 | 0.48 | 1.42 | 2.11 | 1.38 | 17.5 |
| NA132083//132126D
NA93800/93127D |
1
2 |
232
232 |
292
294 |
15.9
17.5 |
6.4
5.6 |
1.6
1.6 |
0.31
0.52 |
2.15Â 1.29 | 3.21Â 1.92 | 2.11
1.26 |
30.6
39.3 |
| NA130902/131401D | 2 | 257 | 330 | 17.5 | 6.4 | 1.6 | 0.33 | 2.04 | 3.04 | 2.00 | 49.4 |
| NA170950//171451D | 1 | 270 | 335 | 17.5 | 6.4 | 1.6 | 0.36 | 1.86 | 2.77 | 1.82 | 41.8 |
| NA127096/127136D | 2 | 273 | 329 | 15.9 | 6.4 | 1.6 | 0.35 | 1.91 | 2.84 | 1.86 | 36.3 |
| HM252343NA/HM252311D
HM252344NA/HM252315D NA551002/551701D |
2
2 2 |
282
282 282 |
397
397 388 |
22.2
22.2 22.2 |
6.4
6.4 6.4 |
1.6
1.6 1.6 |
0.33
0.33 0.33 |
2.03Â 2.03Â 2.03 | 3.02Â 3.02Â 3.02 | 1.98Â 1.98Â 1.98 | 87.2
93.5 93.0 |
| NA221026/221576D
HM252349NA/HM252311D HM252349NA/HM252315D |
2
2 2 |
289
289 289 |
371
397 397 |
19.1
22.2 22.2 |
6.4
1.6 1.6 |
1.6
1.6 1.6 |
0.39
0.33 0.33 |
1.71Â 2.03Â 2.03 | 2.54Â 3.02Â 3.02 | 1.67Â 1.98Â 1.98 | 56.7
87.3 93.6 |
| NA291201//291751D | 1 | 333 | 413 | 20.6 | 6.4 | 1.6 | 0.38 | 1.79 | 2.66 | 1.75 | 63.8 |
| NA231400//231976D | 1 | 384 | 480 | 19.1 | 6.4 | 1.6 | 0.44 | 1.53 | 2.28 | 1.50 | 82.2 |
| 46T8059NA-1 | 1 | 428 | 558 | 31 | 5 | 1.5 | 0.32 | 2.12 | 3.15 | 2.07 | 148 |
| NA285160//285228D | 1 | 435 | 535 | 25.4 | 6.4 | 1.6 | 0.50 | 1.35 | 2.01 | 1.32 | 112 |
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.
