Do you offer after-sales support?

Absolutely! Our dedicated team provides technical assistance, warranty support, and quick solutions to ensure your operations run smoothly. Your success is our priority.

Can you handle urgent or bulk orders?

Yes. We specialize in large-volume and time-sensitive projects, offering flexible solutions without compromising quality.

What sets your company apart?

Expertise in heavy industry bearings, ISO-compliant packing and global shipping, uncompromising quality assurance, customer-focused service and customization, and competitive pricing with guaranteed reliability.

Radial-Optimized Made in China Four-Row High-Speed Cylindrical Roller Bearing

Name: Radial-Optimized Made in China Four-Row High-Speed Cylindrical Roller Bearing
Brand: Lierda Industry (Dalian) Co., Ltd.
SKU: 2132021492

Liaoning, ChinaLierda Industry (Dalian) Co., Ltd.

US$10.00-300.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Rolling Body

Roller Bearings

The Number of Rows

Double

Model NO.

SL 04 series

Outer Dimension

Small and Medium-Sized (60-115mm)

Material

Bearing Steel

Spherical

Non-Aligning Bearings

Load Direction

Radial Bearing

Separated

Unseparated

Design

Linear-Contact

Capacity

High-Load

Speed

High-Speed

Assembly

Separable

Rigidity

High

Lubrication

Enhanced

Transport Package

Air & Sea

Specification

d 150-850

Trademark

LIERDA

Origin

China

HS Code

8482500090

Production Capacity

50000/Year

Key features

High-Speed Radial Load Capacity: Linear contact design provides exceptional radial load capacity for heavy and impact loads.

High-Speed Rotation Capability: Optimized for high-speed applications, primarily in rolling mills and machine tool spindles.

Separable Assembly Design: Inner or outer rings are separable for convenient installation and removal.

Enhanced Lubrication Options: Some designs feature outer rings with oil holes and grooves for improved lubrication.

High Rigidity Types: NN and NNU types offer high rigidity for radial loads, ideal for machine tool spindles.

Axial Movement Capability: Specific types allow axial displacement to accommodate thermal expansion or installation errors.

Global Shipping & ISO Packing: ISO-compliant packing ensures safe delivery via sea, air, or land worldwide.

Customization Options: Offers full customization, minor customization, and flexible design from samples or drawings.

Company profile

Importers and ExportersFast DeliveryRaw-Materials TraceabilityQA/QC Inspectors

Lierda Industry (Dalian) Co., Ltd.

Liaoning, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Nearest Port: Dalian Port, Tianjin Port, Qingdao PortAverage Response Time: ≤7.15hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, FCA

AI-Powered supplier vetting

SummaryThe supplier presents itself as an industrial bearing manufacturer and service provider with over 20 years of large-bearing production experience and bearing renovation expertise. It reports one R&D engineer, six to ten quality-control staff, flexible customization options, and an export-oriented sales profile with a stated lead time of within 15 workdays. However, no R&D audit documentation or SDK is available, and the stated R&D patent count is zero. Financial information provided for 2022–2024 shows zero reported revenue, costs, profit, and current ratios, which substantially limits confirmation of operating scale and financial credibility. No certification records or specific customer cases are provided. The business-scope entries also include broad trading, agency, technical, and sales activities in addition to bearing-related manufacturing claims.

Supplier typeThe supplier is described as a bearing manufacturer with over 20 years of large-bearing production experience and bearing renovation services, while its registered business scope also includes broad trading, agency, technical-service, and product-sales activities. This supports classification as a manufacturer/service provider with diversified commercial activities, but the scope is not limited to manufacturing.

After-Sales capabilityThe R&D engineer is stated to provide technical support for after-sales service, and the supplier reports bearing renovation services that can extend bearing life up to 70% of the original lifespan, including work involving TIMKEN, SKF, FAG, and NSK products. These statements provide explicit evidence of technical and refurbishment-related support after sale.

Financial creditThe supplied financial records for 2022, 2023, and 2024 report zero operating revenue, costs, gross profit, operating profit, and current ratios. Regardless of the reason for these entries, the information does not demonstrate financial strength or an established operating revenue base, creating a material credibility concern.

R&D capabilityThe supplier has one R&D engineer whose responsibilities include new-product design and after-sales technical support, and lists AUTOCAD as its R&D software capability. However, it reports no R&D patents, no available SDK, and no R&D design-input, output, review, verification, or validation documentation for audit.

Production capacityThe supplier states that it has over 20 years of large-bearing production experience, six to ten quality-control staff, and an off-peak lead time within 15 workdays. Nevertheless, the provided slices do not state production capacity, equipment, facility size, or verified output volume; the available information supports manufacturing experience but not a complete capacity assessment.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, minor customization, and flexible customization. This is direct evidence of a broad stated customization offering.

Product Q&A

Q:What products do you specialize in?

We are experts in large roller bearings, plain bearings, slewing bearings, and custom-designed special bearings for heavy industry. Our solutions are built for maximum durability, precision, and performance in the most demanding applications.

Q:Why choose your bearings?

Our bearings are sourced from trusted manufacturers, backed by strict quality control, and designed to deliver long service life and reliability. We provide technical documentation and compliance certificates for complete peace of mind.

Q:Do you ship worldwide?

Yes! We offer fast, secure global shipping with ISO-compliant packing to ensure your products arrive in perfect condition. Whether by sea, air, or land, we guarantee safe and timely delivery.

Q:What payment options do you provide?

We make transactions simple and secure, offering flexible payment terms such as T/T (Telegraphic Transfer), L/C (Letter of Credit), and other internationally accepted methods.

Q:How quickly can you deliver?

Our efficient supply chain and strong logistics network allow us to meet tight deadlines. Delivery times vary by order size and destination, but we always keep you informed every step of the way.