Bearing Tube Manufacturer

Precision-engineered bearing tubes for reliable performance.
Flexible customization in size, wall thickness, and material.
High-strength steel for heavy-duty and high-load applications.
Comprehensive testing ensures durability and dimensional accuracy.
Fast and stable delivery for standard and custom orders.

Custom Tube Solution for Bearing

Vulroc is a leading bearing tube manufacturer in China, providing a complete one-stop solution from raw material sourcing to finished tube supply. We offer customizable diameters, wall thicknesses, lengths, and end types to meet diverse load-bearing and mechanical requirements. Our in-house production lines, precision forming equipment, and dedicated inspection team ensure consistent dimensional accuracy, mechanical strength, and surface quality, helping customers overcome challenges such as unstable supply, inconsistent tolerances, and long lead times.

With over 15 years of experience in steel tube fabrication, Vulroc delivers thousands of tons of bearing tubes annually to domestic and international clients. Our products are widely applied in automotive components, industrial machinery, heavy equipment, power transmission systems, and mechanical assemblies. By combining flexible customization, reliable quality, and efficient logistics, Vulroc provides bearing tube solutions that ensure durability, precise fit, and dependable performance across demanding engineering applications.

Explore our Recommended Bearing Tube

Vulroc offers a comprehensive range of bearing tube styles, including Seamless Bearing Tubes, Welded Bearing Tubes, Alloy Steel Bearing Tubes, and Stainless Steel Bearing Tubes. We support both standard specifications and fully customized solutions to meet diverse mechanical and load-bearing requirements. Our tubes are manufactured from high-quality carbon steel, alloy steel, and stainless steel, ensuring excellent strength, wear resistance, and dimensional accuracy. To enhance performance and installation readiness, we provide various processing options such as precision cutting, end beveling, U-bending, shot blasting, and protective coatings. These features make Vulroc bearing tubes ideal for automotive components, industrial machinery, heavy equipment, and other demanding engineering applications.

Vulroc Bearing Tube Features

We can produce according to customers’ requirements to ensure 100% customer satisfaction.

High-Load Capacity

Engineered for heavy-duty applications, our bearing tubes provide superior strength and wear resistance under high rotational and axial loads, making them ideal for automotive, industrial machinery, and transmission systems.

Precision OD and Roundness

We maintain tight tolerances on outer diameter and roundness, ensuring smooth fit into bearings, housings, and assemblies, reducing vibration and operational noise.

Optimized Wall Thickness

Tailored wall thicknesses balance load-bearing capacity and weight, providing durability without unnecessary material usage.

Enhanced Surface Finish

Bearing tubes feature finely polished or precision-machined surfaces to minimize friction, improve lubrication performance, and extend service life in rotating or sliding assemblies.

End Processing & Ready-to-Install Options

Available with beveled, chamfered, or plain ends for easy assembly, welding, or integration into complex machinery.

Bearing Tube Custimization Specification

At Vulroc, we customize bearing tubes to match your exact operating conditions and material needs. From high-pressure use to marine corrosion environments and special alloy options, we deliver precise, performance-focused bearing tube solutions.

Choose the Customized Bearing Tube Sizes

We produce your bearing tube in the exact size you need within the following ranges:

Size Parameter	Sizes / Range
Outer Diameter (OD)	10 mm – 150 mm
Inner Diameter (ID)	8 mm – 145 mm
Wall Thickness (WT)	1 mm – 20 mm
Length	0.2 m – 12 m
Straightness	≤ 0.5 mm per meter
Roundness / Ovality	≤ 0.5% of OD
End Preparation	Plain, beveled, chamfered
Surface Roughness (Ra)	0.8 – 3.2 µm
Coil / Bent Form	Custom bending available

All tubes can be produced according to drawings, industry standards, or special sizes upon request.

Choose the Customized Bearing Tube Shape

Vulroc offers a wide range of bearing tube shapes to meet diverse mechanical, rotational, and load-bearing requirements.

Our bearing tubes can be customized in the following shapes:

Round Tube – standard for most bearing and mechanical assemblies
Square Tube – for structural support and specialized frames
Rectangular Tube – suitable for industrial machinery and heavy equipment
Flat Oval Tube – optimized for compact bearing housings
Elliptical Tube – used in precision machinery and rotational components
Hexagonal Tube – for mechanical fittings and torque applications
Coil Tube Form – for bent or coiled assemblies in specialized equipment
Other engineered profiles – manufactured according to customer drawings

All bearing tubes can be produced according to ASTM, EN, GB, or client-specified standards. Tubes are available in cut-to-length, extended straight lengths, or coil forms, ensuring compatibility with your equipment and assembly requirements.

Choose the Customized Bearing Tube Material

Vulroc provides a variety of steel grades and alloys to meet diverse load-bearing, mechanical, and environmental requirements for automotive, industrial, and heavy machinery applications.

Our bearing tubes are available in the following materials:

Carbon Steel – widely used for general mechanical and structural applications
Alloy Steel – enhanced wear resistance and strength for high-load machinery
Stainless Steel – corrosion-resistant option for harsh or humid environments
High-Strength Steel – suitable for heavy-duty and high-speed rotational components
Custom Engineered Alloys – manufactured according to specific customer requirements

All materials can be supplied according to ASTM, EN, GB, or client-specified standards, ensuring precise mechanical properties, dimensional accuracy, and long-term durability for demanding bearing and industrial applications.

Choose the Customized Bearing Tube Surface Finishing

We offer a variety of surface finishing options for carbon steel, alloy steel, and stainless steel bearing tubes to meet application-specific needs, improve performance, and facilitate assembly.

Polished Surface: Reduces friction in rotating assemblies and supports general industrial applications.
Shot Blasted: Prepares the tube surface for painting or coating, improving adhesion.
Pickled & Passivated: Enhances corrosion resistance in humid or chemical environments.
Heat Treated / Annealed: Improves hardness, fatigue resistance, and machinability.
Cold Drawn / Precision Ground: Achieves tight dimensional tolerances and smooth surfaces for bearings.
Protective Oil Coating: Provides temporary rust prevention during storage and shipping.
Beveled / Chamfered Ends: Delivers ready-to-assemble ends for bearing housings and machinery.
Custom Surface Finish: Tailored solutions for low-friction, high-wear, or other application-specific requirements.

Choose the Customized Bearing Tube End Types

Vulroc offers multiple end type options to ensure smooth integration with bearings, housings, mechanical assemblies, and industrial machinery.

Common end types for bearing tubes include:

Plain End (PE) – standard option for general assembly and cutting
Beveled End (BE) – facilitates welding or secure joint preparation
Chamfered End – reduces assembly friction and eases fitting into bearing housings
Threaded End – compatible with mechanical connections and fixtures
Flared End – ideal for press-fit or sealing applications
Capped End – protects tube interiors from dust, moisture, and transport damage
Custom End Processing – tailored per drawings or project-specific requirements

All end types are compatible with OD, wall thickness, and material selections, ensuring precise fit, assembly readiness, and long-term durability in high-load and rotational applications.

Parameter	Tolerance / Range	Notes / Application
Outer Diameter (OD)	±0.05 mm – ±0.3 mm	Depends on size and material; critical for bearing fit
Inner Diameter (ID)	±0.05 mm – ±0.25 mm	Ensures smooth rotational operation
Wall Thickness (WT)	±0.03 mm – ±0.2 mm	Tailored for load-bearing and weight optimization
Length	±1 mm – ±5 mm	Cut-to-length or standard mill lengths
Roundness / Ovality	≤0.5% of OD	Ensures minimal vibration and proper bearing seating
Straightness	≤0.5 mm per meter	Critical for high-speed rotational applications
End Squareness / Chamfer	≤1° – ≤2°	Precision end preparation for assembly or welding
Surface Roughness (Ra)	0.8 – 3.2 µm	Polished or ground surfaces for reduced friction and wear
Concentricity	≤0.1% of OD	Ensures alignment in housings and mechanical assemblies
Hardness / Heat Treatment	As per material spec (e.g., HB, HRC, HV)	Guarantees load-bearing capacity and fatigue resistance
Straightness after Bending	≤1 mm per meter (if bent/coiled)	Ensures proper fit in bent or coiled forms

All-in-one Solution to Custom Bearing Tube

Low MOQ

Ideal for projects of all sizes, our flexible minimum order quantities let you start small without compromising specifications.

Fast Sampling

Get accurate pre-production samples quickly to verify dimensions, wall thickness, and performance before full-scale manufacturing.

Endless Specifications

Customize outer diameter, wall thickness, length, and surface finish to meet the exact requirements of construction, industrial, and engineering applications.

High Performance

We use premium materials for exceptional strength, wear resistance, and long-term durability in demanding environments.

Reliable Structural Support For Construction & Infrastructure Projects

Construction and infrastructure projects require materials that combine high strength with long-term reliability. Vulroc bearing tubes, made from carbon steel, alloy steel, and stainless steel, deliver exceptional load-bearing performance and wear resistance, ensuring stable operation in demanding structural applications. Available in a wide range of diameters and wall thicknesses, our tubes can be tailored to meet specific design and mechanical requirements.

Precision surface finishing, including shot blasting, polishing, and protective coatings, enhances durability and corrosion resistance, reducing maintenance and extending service life. Ideal for use in bridges, industrial frameworks, high-rise buildings, and heavy machinery supports, Vulroc bearing tubes provide dependable structural reinforcement for a variety of construction and infrastructure projects.

High-Performance Solutions for Energy & Power Projects

In energy and power applications, components must endure high loads, rotational stress, and demanding operational conditions. Vulroc bearing tubes, crafted from carbon steel, alloy steel, and stainless steel, provide superior strength, wear resistance, and dimensional stability, making them ideal for turbines, generators, and high-speed rotating machinery.

Surface treatments such as precision polishing, shot blasting, and protective coatings enhance friction performance, corrosion resistance, and fatigue life, ensuring reliable operation in harsh environments like power plants, wind farms, and industrial energy systems.

Customized Tubes for OEM and Manufacturing

In OEM and manufacturing applications, accuracy and tailored specifications are essential for optimal performance. Vulroc bearing tubes, made from carbon steel, alloy steel, and stainless steel, deliver high strength, wear resistance, and dimensional precision. They are available in a wide range of diameters, wall thicknesses, lengths, and surface finishes to meet the specific requirements of various industries, including automotive, machinery, and heavy equipment.

Whether used in precision machinery, structural reinforcement, or industrial equipment, Vulroc bearing tubes offer dependable, long-lasting solutions for OEMs and manufacturers, ensuring seamless integration into production lines and high-performance applications.