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Low Friction Self-Aligning Bearings 21318 Spherical Roller Bearing for Gearbox

Name: Low Friction Self-Aligning Bearings 21318 Spherical Roller Bearing for Gearbox
Brand: Shandong Shunwei Bearing Co., Ltd.
SKU: 1923856705

Shandong, ChinaShandong Shunwei Bearing Co., Ltd.

US$0.10-0.80

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Product Name

Self-Aligning Roller Bearing

Bore Size

15-300 mm

Model NO.

21318

Lubrication

Grease or Oil

Precision Rating

P0 P6 P5 P4 P2

Clearance

C0 C3 C4

Service

OEM ODM

Rolling Body

Roller Bearings

The Number of Rows

Double

Material

Bearing Steel

Spherical

Aligning Bearings

Load Direction

Radial Bearing

Separated

Unseparated

Outer Dimension

25mm-540mm

Transport Package

Carton Pallet

Specification

90*190*43mm

Trademark

BDL

Origin

China

HS Code

8482300000

Production Capacity

1000000

Key features

High Load Capacity: Features two rows of cylindrical rollers to bear heavy radial and axial loads with vibration resistance.

Self-Aligning Performance: Spherical outer ring raceways compensate for coaxial errors and ensure excellent centering.

OEM/ODM Customization: Accepts customized logos, drawings, and packaging; supports non-standard bearing requirements.

Wide Size Range: Available in bore sizes from 15-300 mm and outer dimensions from 25mm-540mm.

Premium Material: Manufactured from high-quality Bearing Steel (Gcr15) with HRC 61-65 hardness for durability.

Fast Delivery: Standard orders shipped within 3-10 days; just-in-time delivery via streamlined supply chain.

24/7 Technical Support: Online answer service available 24 hours a day with timely replies and customs documentation.

Quality Assurance: 1-year warranty with zero defects goal, supported by advanced testing instruments and QC.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityQuality Assurance100% Finished Products Inspection

Shandong Shunwei Bearing Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2021-06-22Nearest Port: Port of Qingdao, Yiwu Port, Guangzhou PortAverage Response Time: ≤2.15hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryShandong Shunwei Bearing Co., Ltd. is described as a bearing manufacturer integrating research, development, and sales. It produces multiple bearing types and serves heavy industrial sectors. The supplier reports ISO 9001 certification, modern production and testing equipment, two production lines, quality-control staffing, and stated annual bearing output. It offers broad customization options, maintains inventory, and reports standardized inspection and supplier-management procedures. Export sales represent 71%–90% of total sales, with both agency and self-operated export methods, but export experience is stated as three years. Limitations include no overseas agents or branches, overseas warehouse, overseas showroom, or offline trade-show participation; no valid manufacturing-capacity contract with related subcontractors; and no SDK or 3D software design service. Financial, environmental, and fire-drill evidence is incomplete, and no customer cases are explicitly provided.

Supplier typeThe supplier is explicitly identified as a bearing manufacturer integrating research, development, and sales, producing deep-groove ball, tapered roller, cylindrical roller, and self-aligning roller bearings. However, it is also explicitly classified as not being a professional technical supplier.

CertificationsThe supplier reports ISO 9001 certification for its management system. This is explicit evidence of holding a recognized quality-management certification.

After-Sales capabilityThe supplier has in-stock service capability and accepts multiple quotation and payment terms, but it has no overseas agents or branches, no overseas warehouse or showroom, and offers overseas services in zero countries according to the provided data. These limitations indicate a weak documented overseas after-sales network.

R&D capabilityThe company describes itself as conducting bearing research and development and reports modern production equipment, advanced testing instruments, and 6–10 years of total R&D-engineer experience. However, it is not a professional technical supplier, provides no 3D software design service, and has no available SDK, so the evidence supports product-development capability but not advanced technical-software innovation.

Production capacityThe supplier reports modern equipment, advanced testing instruments, two production lines, 41–50 quality-control staff, inventory capability, and stated bearing output of 20,000,000 sets. Peak- and off-season lead times are both within 15 working days, although no valid manufacturing-capacity contract with related subcontractors is reported.

Customization capabilityBoth relevant slices explicitly list customization from samples, designs, full customization, minor customization, and flexible customization. This is direct evidence of broad customization coverage despite the absence of 3D software design services.

Product Q&A

Q:What is the minimum order quantity for this product?

Can be negotiated, we will try our best to meet customer needs. Our company is mainly based on wholesale sales, most customers' orders are more than 1 ton. Standard bearings MOQ is 10 PCS, customized brand bearings MOQ is 1000 PCS.

Q:What is your latest delivery time?

Most orders will be shipped within 7-15 days of payment being received. Standard delivery time is 3-10 days depending on quantity needed.

Q:Does your company have quality assurance?

Yes, for 1 years. We adhere to 'zero defects, zero complaints' as the quality goal and provide genuine products with excellent quality.

Q:What is the competitiveness of your company's products compared to other companies?

High precision, high speed, low noise. We provide world-class quality bearings with genuine intent.

Q:What are the advantages of your company's services compared to other companies?

Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.