High precision
High speed
Low noise
long-life
custom made
Hot Products
Focus on the production and research and development of precision bearings.
BNR10/19 Ultra-high-speed Series
BTR10/19 Ultra-high-speed Series
spindle bearings
BER10/19 Ultra-high-speed Series
BGR10/19 Ultra-high-speed Series
HC719-CDLR-P4S Series
70C/ACP4 Standard Series
H719C/ACP4 Ultra High Speed Series
Customization Process of Non-standard Bearings
The company can provide customized solutions for the special needs of customers,
Serve you sincerely, welcome to consult.
The company has established a standard production management system in accordance with the requirements of the ISO9001-2015 international quality management system.
Every production process is strictly controlled in accordance with the management system to ensure product quality.
About Rockewell
Luoyang Rockewell Precision Bearing Production Co., Ltd. is a high-speed and precision manufacturer specializing in design, deformation, P4 and P2 precision machine tools.
The main products are: P4, P2 level angular contact bearings, screw bearing bearings, engraving machine bearing bearings, P4, P2 level angular contact ball bearings with double seals, ultra-high-speed ceramic ball open seals and angular contact ball bearings, medium, small and shaft Large bearings, central axis angular contact ball bearings, precision bearings, ultra-high-speed bearings.
The company was established in 1993
Products are sold to 60+ countries and regions
The inner diameter of the product is from 2mm~820mm
News Center
The company releases company information in real time, controls in dustry trends in real time, and understands product knowledge in real time.
Service & Support
“Every single Procurement for us to show the integrity” has always be our company’s service essentials. We sincerely appreciate your inquiry and looking forward to achieving a win-win cooperation.
Cylindrical roller bearing size summary
Cylindrical roller bearings are designed to handle heavy radial loads and operate at high speeds. They come in various sizes and configurations to suit different applications. Here’s a summary of the typical sizes and dimensions for cylindrical roller bearings: Basic Designations Cylindrical roller bearings are typically categorized by their design, denoted by specific series designations. Common series include: N Series: Single row, inner ring has two flanges, outer ring has no flanges. NU Series: Single row, outer ring has two flanges, inner ring has no flanges. NJ Series: Single row, outer ring has two flanges, inner ring has one flange. NUP Series: Single row, outer ring has two flanges, inner ring has one flange and a loose flange ring. NF Series: Single row, outer ring has one flange, inner ring has two flanges. NN Series: Double row, used for applications requiring high radial load capacity. NNU Series: Double row, used […]
What are the properties of precision bearings?
Precision bearings are specialized bearings designed to meet exacting performance requirements, particularly in applications where high accuracy, reliability, and efficiency are essential. These bearings are engineered with tight tolerances, advanced materials, and precise manufacturing processes to deliver superior performance in demanding environments. The key aspects of precision bearings High Accuracy: Precision bearings are manufactured to extremely tight tolerances, ensuring consistent and accurate operation under varying loads, speeds, and conditions. This high level of accuracy minimizes runout, backlash, and other sources of error, resulting in smooth and precise motion control. Reduced Friction: Precision bearings are designed to minimize friction and wear, optimizing efficiency and extending service life. They typically feature advanced lubrication systems, specialized coatings, and optimized contact geometries to reduce energy consumption and heat generation during operation. Enhanced Rigidity: Precision bearings are engineered for high stiffness and rigidity to maintain positional accuracy and stability under load. They are often used […]