Plummer Block Structure
Plummer block unit
Designed for greater mechanical strength, and manufactured under strict quality control program. To suit the intended application, it can be made of either spheroidal graphite cast iron (ductile cast iron) or cast steel.
Tightening bolt
The bolt protects the plummer block against loosening due to vibration and impact.
Oil fill plug
For relubrication.
Seal
Excellent sealing performance.
Self-aligning rolling bearing
Self-aligning ball or roller bearing is built into plummer block.
Adapter
Simplifies installation of the bearing.
Oil drain plug
For draining old lubricant.
Mounting bolt holes
Allow easy positioning and installation.
Knock ball
The upper and lower housings can be assembled together at higher accuracy thanks to ball-knock system using steel balls. Also, the upper cover can be installed or removed easily.
| NTN Bearing Corporation | |
|---|---|
| Product Category | Pillow Block Bearings |
| Product Name | Plummer Blocks |
| Bearing Type | Cylindrical Roller; Spherical Roller; Tapered Roller |
| Bearing / Housing Features | Plummer Block; Self-aligning |
| Shaft Diameter | 0.9843 to 17.72 inch (25 to 450 mm) |
| Housing | Cast Iron |
