Protect Electric Motor Bearings with Shaft Grounding Rings

Protect Electric Motor Bearings with Shaft Grounding Rings from Volsun’s Electric motors are essential components in many machines and industrial applications. They keep things running smoothly and efficiently. However, one common problem that can damage motors and reduce their lifespan is electrical damage to the motor bearings. This happens when stray electric currents flow through the bearings, causing pitting, fluting, and early failure. To avoid these issues, Volsun offers high-quality Shaft Grounding Rings that protect electric motor bearings effectively.

Volsun Shaft Grounding Rings are designed to safeguard your motor bearings by safely diverting electrical currents away from the bearings. These rings provide a low-resistance path for electrical discharge currents, preventing the current from passing through the bearings themselves. By doing this, Volsun’s grounding rings help to reduce bearing failures, extend motor life, and reduce maintenance costs.

One of the best features of Volsun’s Shaft Grounding Rings is their easy installation. They fit snugly around the motor shaft without requiring major modifications or complicated steps. The rings use multiple carbon brushes that maintain constant contact with the shaft, ensuring reliable grounding and continuous protection. This simple design helps minimize downtime and keeps motors running efficiently.

Volsun’s grounding rings are suitable for a wide range of motors, including AC and DC motors, large industrial motors, and small electric motors used in various equipment. Whether you are working in manufacturing, mining, HVAC, or other industries, these rings can protect your investment by preventing bearing damage caused by electrical currents.

Durability is another key advantage of Volsun’s grounding rings. Made from strong and wear-resistant materials, these rings are built to last even in harsh environments. They resist dust, moisture, and vibration, ensuring long-term reliable performance. This means fewer replacements and less hassle for your maintenance team.

In addition to protecting bearings, using Volsun’s Shaft Grounding Rings can improve overall motor performance. Bearings that remain in good condition help motors run more smoothly and quietly, reduce energy loss, and lower the risk of unexpected failures.

Volsun’s Shaft Grounding Rings provide an effective, easy-to-install, and durable solution to protect electric motor bearings from electrical damage. By investing in these grounding rings, you ensure your motors run longer, perform better, and require less maintenance, saving time and costs in the long run. Protect your motors and keep your operations running smoothly with Volsun’s Shaft Grounding Rings

Product Overview

Volsun VS-RD Series Shaft Grounding Rings

Description
VS-RD series shaft grounding rings are composed of conductive fibers and metal bodies and are used for electric corrosion protection of variable frequency motors and their coupling equipment. VS-RD series conductive rings can reduce the potential induction between the bearing and the grounded chassis, effectively solve the phenomenon of electrical corrosion caused by shaft current, and protect the bearing from damage

Features

* Low resistance

* High temperature resistance

* Durable and wear-resistant

* Unique structure

* Environmentally friendly and non-toxic

* Size can be customized

Support customization, ODM & OEM available

Click to contact us for free samples

VR

PRODUCT SPECIFICATIONS

Item	Test Data	Test Standard
Static resistance	＜1Ω	/
Dynamic resistance	≤10Ω	/
Fiber pull-off force	≥100·30s	/
Salt spray test	No fiber damage	/
Durability test	A3	/
High temperature test	≥120h	/
Low temperature test	≥15times	/

Structure

Dimensions

OD - mm	ID - mm	Height - mm	Applicable shaft diameter - mm
30	15	7	10
38	19	7	13
38	22	7	18
40	24	7	18
47	31	7	25
49	32	7	26
50	30	7	24
50	31	7	25
53	30	7	25
53	36	7	30
55	39	7	35
57	36	7	30
60	44	7	38
62	41	7	35
70	46	7	40
72	49	7	43
75	58	7	52
78	58	7	52

Note：Special size and packing are available as request

Application Pictures

Company Show

Suzhou Volsun Electronics Technology Co., Ltd. was founded in 2006. We keep focusing on the R&D, production and sales in insulation, sealing & protection solutions

Volsun has a modern quality management system, which has passed a series of quality system certification such as IATF16949, ISO9001 etc

Up to now, Volsun cooperated with customers from 88 countries, we offer suitable sealing, waterproof solutions for some well-know enterprises in communication, Automobile, Power industry etc

Certifications

Abroad Exhibition

Las Vagas AAPEX

Moscow Expo

Hannover Messe

Packaging and Shipping

FAQ

Q 1. How long is the payment term
A: We accept T/T 50% deposit and 50% balance against B/L or L/C copy at sight, also accept Western Union, VISA and Paypal

Q 2. What is the normal lead time for product orders
A: The average lead time for prototype/first piece is 7~10 days, if tooling is involved, the lead time for production tooling is 10 days, and the average production time after sample approval is 2-3 weeks

Q 3. What is your standard packaging
A: All goods will be packed in cartons and loaded on pallets. Special packing methods are acceptable when needed

Q 4. Can you tell us the monthly production capacity of your products
A: It depends on the model, we produce more than 1500 tons of rubber materials per month

Q 5. What kind of certificates do you have
A1: We have ISO9001:2015, IATF16949:2016, ISO14001:2015, ISO45001:2018 certified
A2: We have various rubber compounds approved by UL, ROHS and REACH

Q6: How to check the quality of bulk order
A1: We provide pre-production samples to all customers before mass production if needed
A3: We accept third-party inspection, such as SGS, TUV, INTERTEK, BV, etc

Q 7: Can you provide customized service
A: Yes, we accept customization and can produce products in different sizes, packaging, colors according to requirements.