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Hybrid Ceramic Bearings for Dirt Bikes 6903
US$0.20
1,000 Pieces
Product profile
Customization
AvailableGrease
SRL, Sb-M, Et-K, Super N or CustomizedTransport Package
Standard Exporting PackingModel NO.
S6903Specification
ISO9001: 2008Trademark
NBVO or neutralOrigin
CnHS Code
8482102000Production Capacity
500, 000PCS/MonthKey features
Extended Service Life: Service life can be up to 10 times that of standard steel bearings.
Superior Speed Capability: Silicon nitride balls enable higher speed capability than all-steel bearings.
Electrical Insulation: Prevents electrical arcing due to excellent electric insulating properties.
Reduced Maintenance Costs: Lower maintenance costs and extended grease life compared to steel bearings.
Vibration Resistance: Reduces wear caused by vibration and contamination.
Customized Grease Options: Available with SRL, Sb-M, Et-K, Super N, or customized grease.
OEM/ODM Services: Full OEM and ODM services available for custom designs.
High Precision Standards: Available in ABEC-1, ABEC-3, and ABEC-5 accuracy classes.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤1.77h
AI-Powered supplier vetting
SummaryNingbo NBVO Seiko Bearing Co., Ltd. is presented as a professional manufacturer of high-precision, low-noise deep groove ball bearings for automotive, motor, mechanical, fishing, household appliance, motorcycle, and power-tool applications. Its documented strengths include more than 10 production lines, 15 manufacturing lines, stated output of 6,000,000 deep groove ball-bearing sets, 100% finished-product inspection, 28 quality inspectors, written service-assessment procedures, corrective and preventive action records, complaint-handling procedures, OEM/ODM and design customization services, and broad export-market coverage. The supplier has 12 years of international trade experience and cooperation with Fortune 500 companies. However, the provided information does not establish formal certifications, financial strength, or a recent product-development record. It also lacks overseas warehouses, showrooms, agents, branches, and an available SDK.
Supplier typeThe supplier is explicitly identified as a professional technical supplier and as a company specializing in designing and producing high-precision, low-noise deep groove ball bearings. Its stated applications span automotive, motors, mechanical devices, household appliances, motorcycles, fishing tackle, and power tools.
After-Sales capabilityThe supplier has documented corrective and preventive action procedures, complaint-handling procedures, written service-capability assessment procedures, and in-stock service capacity. Its after-sales infrastructure is limited by the stated absence of overseas warehouses, showrooms, agents, and branches, although it reports overseas service offerings in Europe and participation in Hannover Messe.
Production capacityProduction capacity is supported by more than 10 production lines, a stated 15-line manufacturing figure, output of 6,000,000 deep groove ball-bearing sets, valid manufacturing contracts with associated subcontractors, inventory capacity, and 100% finished-product inspection. Off-season lead time is within 15 workdays, while the peak-season lead-time entry is inconsistent and cannot be interpreted reliably.
Customization capabilityThe supplier explicitly provides customization from designs, 3D software design services, and ODM services. These entries directly support the ability to develop or manufacture customized products based on customer designs.
Client casesThe supplier reports cooperation with Fortune 500 companies and OEM service for popular brands, while also documenting 12 years of international trade experience. These are positive customer-experience indicators, although no customer names, project descriptions, or verifiable case details are provided.
Product Q&A
Q:What materials are used for the rings and balls?
A:
The rings are made of Stainless steel (SUS440) or Chrome (GCr15), while the balls are made of silicon nitride (Si3N4).
Q:What is the lead time for standard and customized orders?
A:
Standard specifications take 10-15 working days, while customized designs require 30-40 days.
Q:What are the available accuracy classes?
A:
We offer ABEC-1 (P0), ABEC-3 (P6), and ABEC-5 (P5) accuracy classes.
Q:What are the main applications for these bearings?
A:
They are suitable for medical apparatus, marine, cryogenic engineering, optical instruments, high-speed machinery, and food equipment.
Q:Can the grease be customized?
A:
Yes, grease options include SRL, Sb-M, Et-K, Super N, or fully customized formulations.
Send Inquiry
*To:
Ningbo NBVO Seiko Bearing Co., Ltd.
Ningbo NBVO Seiko Bearing Co., Ltd.*Content:
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