Bearings bpk-4 Shaft Grounding Kit

Product Description

The BEARINGS bpk-4 is an OEM shaft grounding kit manufactured by PEMS. Shaft grounding kits are used to safely dissipate electrical current that builds up on rotating motor shafts, protecting bearings from electrochemical damage caused by stray voltage discharge. This type of component is installed by electricians and motor service technicians working on variable frequency drive (VFD) applications where shaft currents are a known failure mode. The bpk-4 provides a dedicated low-resistance path to ground, reducing premature bearing wear and extending motor service life.

Shaft grounding kits are commonly installed in commercial and industrial motor applications where VFD-driven motors are in service. They are particularly relevant in HVAC fan and pump motor assemblies, as well as other rotating equipment where inverter-induced shaft voltage is a concern. Installation is typically performed during motor commissioning or as a corrective measure when bearing failures are traced to electrical fluting damage.

Key Features

• OEM shaft grounding kit manufactured by PEMS
• Designed to dissipate VFD-induced shaft currents away from motor bearings
• Helps prevent electrochemical bearing damage caused by stray voltage discharge
• Suitable for use in commercial and industrial motor applications

Compatibility

Designed as an OEM-style shaft grounding kit for use with compatible motor shafts in VFD-driven applications. No specific model compatibility data was provided in the product input.

Installation Notes

Installation should be performed by a qualified electrician or motor service technician. Disconnect and lock out all power to the motor before beginning installation, following applicable NFPA 70 (NEC) lockout/tagout procedures. Ensure the grounding kit makes solid contact with the motor shaft and that the ground path is continuous to the motor frame or system ground. Do not energize the equipment until all connections have been verified.

Technical Specifications

• Type: Shaft Grounding Kit

Standard Information

• Brand: BEARINGS
• Manufacturer Part Number: bpk-4