Drawn Cup Needle Roller Bearing HK0408TN
The HK0408TN bearing is a Roller Bearings with an inner diameter of 4 mm , an outer diameter of 8 mm, a width of 8 mm. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Needle roller bearings are essentially cylindrical roller bearings except that their cylindrical rollers have a length 3 to 10 times their diameter (versus less a length less than 3 times their diameter). Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load capacity. Even though they have a low cross section, needle roller bearings have a high radial load capacity and are exceptionally apt for bearing applications where radial space is limited.
| Dimensions (metric) | F | 4 |
Without Inner Race |
| D | 8 | ||
| B | 8 | ||
| Approx. Wgt. lbs |
.010 | ||
| Appropriate Inner Race | - | ||
| Interchange | FAG | HK 0408 | |
| IKO | TLA 48 ZN | ||
| INA | HK 0408 | ||
| SKF | HK 0408 | ||
| SKF (Old No.) | RHNA 040808 | ||
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