WBM is a professional bearing supplier established in 1988, mainly providing bearing cold heading dies, tapered rollers, grinding tools and testing equipment, as well as consulting/trading services in the supply chain of the bearing industry. Our rolling elements are mainly divided into taper rollers and steel ball. There are many categories, wide applications and complete products. Welcome to contact us if you are interested - Email:Info@w-bm.com /alvin@w-bm.com
Why Choose Us
Strong Strength
The company is situated in the Lilu Industrial Park, Luolong District, Luoyang City, China. The manufacturing facility spans an area of 36,300 square meters and holds 80 invention patents.
One-stop Servic
The WBM company has a quality management system integrating design, production, sales, service and research.
Rich Experience
Henan Weichuang Bearing Precision Technology Co.,Ltd. (WBM) was founded in 1988, through strict quality management and control, it has continuously enhanced its brand influence.
Introduction to Rolling Elements
Rolling elements are the components that connect the moving and stationary parts of a rolling bearing, also known as a rolling-element bearing or antifriction bearing. They are primarily used to support a load while allowing relative motion between two elements of a machine.
Specifications of Rolling Elements
|
Type |
Needle |
|
Bore Size |
1 - 30 mm |
|
Brand Name |
WBM |
|
Model Number |
K30x35x13 |
|
Precision Rating |
P0 P6 P5 P4 P2 |
|
Seals Type |
Open |
|
Number of Row |
Single Row |
|
Material |
Chrome Steel |
|
Application |
Engineering Machinery |
|
Feature |
High Speed Low Noise |
|
Certification |
ISO9001:2008 |
|
Package |
Plastic Bag+cox+carton |
|
Service |
OEM Customized Services |
|
Cage |
Steel Cage.Brass Cage.Nylon Cage |
|
Weight |
0.0229kg |
|
Sample |
Availble |
Functions of Rolling Elements

High load capacity
Spherical roller can withstand a massive amount of radial and axial loads, making it suitable for heavy-duty applications. Thanks to its high load capacity, it can ensure smooth and reliable operation even under challenging conditions.
Self-adjusting
Spherical roller has a self-aligning capability, which means it can compensate for any misalignment between the shaft and the housing. This feature reduces the risk of premature failure, improving the overall service life of the product.


High-speed capabilities
Spherical roller is designed to operate at high speeds without compromising performance. Its high running speed makes it ideal for applications that require fast and precise rotation.
Reduced vibration and noise
Spherical roller is engineered to produce minimal vibration and noise during operation, providing a more comfortable and quieter working environment.

Types of Rolling Elements
Taper Rollers
Taper rollers are the rolling elements in tapered roller bearings, which are used to support radial and axial loads. Taper rollers are typically used in bearing solutions where there is a need to increase performance, reduce friction or increase power density in applications.
Steel Ball
Steel balls are spherical components used as rolling mechanisms in rotary motion components such as bearings, tooling, wheels, but there are other use for steel balls such as grinding or burnishing media, toys and more. There are many sizes and gauges used in a variety of applications.
Heat and Surface Treatment
Rolling elements must:
Be hard enough to cope with fatigue and plastic deformations.
Be tough enough to cope with applied loads.
Be sufficiently stable to experience only limited changes of dimensions over time.
Hardware and heavy machinery industry
Cylindrical rollers are ideal for use in heavy machinery, including cranes, excavators, and mining equipment. They can handle heavy loads, making them suitable for use in these applications. Additionally, it can be used in locking mechanisms, hinges, and other hardware products.
Automotive and aerospace industries
In cars, metal ball is utilized in wheel bearings, steering systems, transmissions, and suspension systems. In the aerospace industry, metal balls are necessary parts of the guidance and control systems of missile and rocket propulsion mechanisms.
Toy industry
The metal ball is also relevant in the toy industry, usually as bearings for metal toy cars or other toys that require rolling ball function. Customers can choose from different sizes to fit their specific use cases.
Medical industry
In the medical industry, precision is paramount. The metal ball is used in surgical instruments, temporary implants, and in other applications requiring high precision and consistency.

Other Services

Quality Control
Our products adopt CR-Steel and advanced technology.
We carry out strict supervision during production and make sure every finished product with high quality.
Payment Methods
T/T, L/C and Western Union are common for us.
Warranty Period
We will provide corresponding warranty according to the product.
Delivery
If have in stock, the product will be about 3-5 days after your deposit, which also will be on basis of your order.
Shipping
- Sample order: We suggest DHL/UPS/TNT/FEDEX or by air.
- Bulk order: We recommend using road or sea transportation.
Certificate






FAQ
We are professional rolling elements manufacturers and suppliers in China, with bulk high quality products in stock. If you are going to buy customized rolling elements at competitive price, welcome to get quotation from our factory.
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