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Qj Series Four-Point Contact Ball Bearing for Machine Tool Spindle
US$1.00-100.00
10 Pieces
Sample price:US$10.00/piece.Request sample
Product profile
Customization
AvailableContact Angle
The Angle Is Typically 35°, But 30° Under LighterAligning
Non-Aligning BearingModel NO.
QJ210/QJF215Separated
SeparatedRows Number
It Is Usually a Single Column, But a Double-Row StLoad Direction
It Can Withstand Bidirectional Axial Loads and ALSMaterial
Steel/Stainless Steel/MixedCage
Glass Fiber Reinforced Nylon 66 (Suffix Tvp), Brasin Stock
PartCustom Made
AcceptableAccuracy Level
P0\P6\P4\P5\P2Transport Package
ConventionalSpecification
conventionalTrademark
OEM/NeutralOrigin
ChinaHS Code
8482102000Production Capacity
1, 000, 000 PCS/YearKey features
Bidirectional Axial Load: Unique four-point contact design withstands axial loads from both sides without additional mating.
High Precision Grades: Available in P0 to P2 precision grades to meet stringent requirements of machine tool spindles.
Excellent Wear Resistance: Made from premium 100Cr6 steel with HRC 60-64 hardness for long fatigue life.
High Limiting Speed: Oil-lubricated bearings reach 12000 rpm; grease-lubricated reach 8000 rpm.
Customizable Accuracy: Accuracy levels P0, P6, P4, P5, and P2 are acceptable for customization.
Custom Cage Options: Cages can be customized to Glass Fiber Reinforced Nylon 66 (Suffix TVP) or Brass.
Versatile Material Choice: Options include Steel, Stainless Steel, and Mixed materials for corrosion resistance.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyNearest Port: Shanghai, Wuhan, NingboAverage Response Time: ≤0.09hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, Others
AI-Powered supplier vetting
SummaryHubei Lianmao Technology Co., Ltd is a trading company based in Wuhan, Hubei, China, established in July 2024. The company specializes primarily in bearings, offering competitive prices, fast delivery, and reliable after-sales support. Despite a broad business scope, the company lacks ODM and OEM capabilities and does not participate in offline trade shows or have overseas showrooms. Financial data is available, but specific proficiency in financial credibility is unclear. The company has minimal R&D innovation with only one R&D engineer, and no SDK is available for development. The supplier is not audited favorably, indicating potential deficiencies in quality assurance. Customization is available from samples or designs, but lacks a formal customer case study or documented service procedures.
CertificationsAn audit was conducted by TUVRHEINLAND, but the result of the supplier audit evaluation was zero, indicating no certification advantage.
After-Sales capabilityThe company emphasizes fast delivery time and reliable after-sales support as part of its offerings.
R&D capabilityThe company has one R&D engineer and does not offer ODM services or SDK, indicating limited innovation capability.
Production capacityAnnual productivity information is available for various types of bearings, suggesting a focus on production.
Customization capabilityCustomization is available from samples or designs, but lacks formalized or documented processes.
Client casesThere are no written procedures or records for handling customer complaints, indicating a lack of documented customer cases.
Product Q&A
Q:What is the maximum speed rating for oil-lubricated bearings?
A:
Oil-lubricated bearings can reach a limiting speed of 12000 rpm.
Q:What precision grades are available?
A:
We offer precision grades from P0 (standard) to P2 (ultra-precision), including P6, P4, and P5.
Q:Can the bearing cages be customized?
A:
Yes, cages can be customized to Glass Fiber Reinforced Nylon 66 (Suffix TVP) or Brass.
Q:What materials are used for these bearings?
A:
Standard material is 100Cr6 (GCr15) bearing steel. Stainless steel (440C) is also available for corrosion resistance.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 10 pieces.
Send Inquiry
*To:
Hubei Lianmao Technology Co., Ltd
Hubei Lianmao Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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