2pcs PHSB4 Rod End Bearing with 1/4 Inch Bore and 1/4-28 Right Hand Female Thread, Pre Lubricated Heim Joint with Jam Nuts for CNC, Hydraulic, Automation and Precision Motion Control

PHSB4 Rod End Bearing with 1/4 Inch Bore and Female Thread
✔️ 2 pcs Pre-Lubricated 1/4-28 RH Female Heim Joints with Jam Nuts

This compact rod end bearing set is used for smooth motion transfer and alignment control in small mechanical and automation systems. It’s commonly installed in CNC machines, hydraulic cylinders, power tools, and light-duty linkages where quiet operation and consistent movement are needed.

✅ Pack size: 2 pieces with matching jam nuts
✅ 1/4 inch bore with 1/4-28 right hand female thread
✅ Pre-lubricated design ready for immediate use
✅ Forged #45 steel body for solid strength and durability
✅ Hardened bearing steel ball for wear and corrosion resistance
✅ Self-aligning spherical design with up to 9 degrees of angular movement
✅ Low-noise operation with secure internal retention
✅ Handy for automation equipment, CNC systems, and precision machinery

Dimensions and Specifications

Rod End
Thread Type 1/4-28 RH female
Bore Diameter 0.250 in
Maximum Misalignment 9 degrees

Load Ratings
Static Load Capacity 7.7 kN
Dynamic Load Capacity 4.5 kN

Material and Finish
Body #45 steel
Ball Hardened bearing steel
Lubrication Pre-lubricated with oil valve

💡 What are pre-lubricated female rod end bearings used for in precision machinery?
Pre-lubricated female rod end bearings are used when smooth motion, alignment flexibility, and low maintenance are critical in compact systems.

• Spherical design allows angular movement without binding

• Pre-lubrication reduces startup wear and operating noise

• Forged steel construction handles repeated loads and vibration

• Female thread format fits cleanly into tight mechanical assemblies

This rod end bearing set is a handy choice when you need reliable motion control, quiet performance, and long service life in small mechanical or automation applications.