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High-Precision Long-Life 21311 Spherical Roller Bearing Is Suitable for Mining Machinery
US$0.15-2.30
1 Piece
Product profile
Customization
AvailableMaterial
Gcr15Precision
P0/P5/P6Model NO.
21311The Number of Rows
DoubleBrand
JsfbzOEM Service
AcceptableHardness
59-63HRCPackage
Standard Export PackageTransport Package
Standard Export PackageSpecification
90*160*52.4Trademark
JSFBZOrigin
ChinaHS Code
8482300000Production Capacity
500000Key features
High-Precision Material: Made from Gcr15 steel with hardness 59-63HRC for durability.
Multiple Precision Grades: Available in P0, P5, and P6 precision levels.
OEM/ODM Service: Customization available based on customer requirements or drawings.
Fast Delivery: Delivery within 15 days for stock items.
Free Samples: Free samples are available upon request.
Door-to-Door Service: Shipping via air or express services like DHL, FEDEX, EMS.
Low Noise Performance: Designed for high-speed performance with low noise.
Extended Service Life: Rigorous quality inspection ensures long-lasting operation.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.69h
AI-Powered supplier vetting
SummaryShandong FirstMaster Bearing Co., Ltd, a trading company based in Shandong, China, focuses on gears, transmission components, and mechanical parts. Despite strong technical expertise and advanced production equipment, it lacks a structured approach to after-sales service and has no new product developments in the past year. Financial data suggests stability, yet no explicit certifications are noted. The company offers extensive customization services and has a significant export percentage but lacks overseas infrastructure and presence.
Supplier typeThe supplier is a trading company based in Shandong, China, specializing in gears, transmission components, and mechanical parts.
After-Sales capabilityThe company lacks written procedures or records for handling customer complaints and service capability assessment.
R&D capabilityDespite strong technical expertise, the supplier has not launched any new products in the past year, suggesting limited innovation activity.
Production capacityThe supplier has advanced production equipment and testing instruments, supporting stable and reliable product quality.
Customization capabilityThe supplier offers extensive customization services from designs and samples, highlighting strong customization capabilities.
Product Q&A
Q:Are you trading company or manufacturer?
A:
We are a manufacturer and trading company specializing in producing and exporting bearings.
Q:How long is your delivery time?
A:
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q:Do you provide samples? is it free or extra?
A:
Yes, we could offer the sample for free charge
Q:You provide free consultation service?
A:
Yes, before, during and after order, anytime.
Q:Can you accept OEM/ODM?
A:
Yes, we can.Customizing according to your requirements or drawing.
Send Inquiry
*To:
Shandong FirstMaster Bearing Co., Ltd
Shandong FirstMaster Bearing Co., Ltd*Content:
Supplier replies will be sent to your registered email
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