C3900-series
Model list for the C3900-series carb toroidal roller bearings: bore, outer diameter and width with seal and clearance options. Open a model for full specs and verified equivalents.
24 models 360–1700 mm bore range Full / partial / verify match grading
| Model | d (mm) | D (mm) | B (mm) | Seal | Clearance | Cross refs |
|---|---|---|---|---|---|---|
| C3972-M | 360 | 480 | 90 | open | CN | 3 |
| C3972-KM | 360 | 480 | 90 | open | CN | 3 |
| C3980-KM | 400 | 540 | 106 | open | CN | 2 |
| C3984-M | 420 | 560 | 106 | open | CN | 3 |
| C3984-KM | 420 | 560 | 106 | open | CN | 3 |
| C3996-M | 480 | 650 | 128 | open | CN | 2 |
| C39-500-M | 500 | 670 | 128 | open | CN | 1 |
| C39-500-KM | 500 | 670 | 128 | open | CN | 1 |
| C39-560-M | 560 | 750 | 140 | open | CN | 1 |
| C39-560-KM | 560 | 750 | 140 | open | CN | 1 |
| C39-630-M | 630 | 850 | 165 | open | CN | 1 |
| C39-630-KM | 630 | 850 | 165 | open | CN | 1 |
| C39-710-M | 710 | 950 | 180 | open | CN | 1 |
| C39-710-KM | 710 | 950 | 180 | open | CN | 1 |
| C39-750-M | 750 | 1000 | 185 | open | CN | 1 |
| C39-750-KM | 750 | 1000 | 185 | open | CN | 1 |
| C39-800-M | 800 | 1060 | 195 | open | CN | 0 |
| C39-850-M | 850 | 1120 | 200 | open | CN | 1 |
| C39-850-KM | 850 | 1120 | 200 | open | CN | 1 |
| C39-1060-MB | 1060 | 1400 | 250 | open | CN | 1 |
| C39-1060-KMB | 1060 | 1400 | 250 | open | CN | 1 |
| C39-1180-MB | 1180 | 1540 | 272 | open | CN | 0 |
| C39-1500-MB | 1500 | 1950 | 335 | open | CN | 0 |
| C39-1700-MB | 1700 | 2180 | 355 | open | CN | 0 |