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Nnu4921s. M. P53 Cylindrical Roller Bearings Use for Connecting Rod Type Bracket Tracking Slewing Drive
Negotiable
1 Piece
Sample price:US$1000.00/piece.Request sample
Product profile
Customization
AvailableRolling Body
Roller BearingsThe Number of Rows
SingleModel NO.
NNU4921S. M. P53Outer Dimension
Medium and Large(120-190mm)Material
Bearing SteelSpherical
Non-Aligning BearingsLoad Direction
Radial BearingSeparated
UnseparatedID
105mmOd
145mmB
40mmWeight
1.96kgTransport Package
Single BoxSpecification
NNU4921S. M. P53Trademark
MONTONOrigin
LuoyangHS Code
8482500090Production Capacity
1000PCS/WeekKey features
High Load Capacity: Supports heavy radial loads with high stiffness and low friction for long service life.
Customizable Specifications: Precision, vibration, clearance, and sealing options available as per customer request.
OEM Service Available: Full OEM service provided for customized bearing solutions and branding.
Wide Application Range: Suitable for electric motors, locomotives, generators, mining machinery, and more.
Easy Assembly: Separation type design allows easy assembly and disassembly even with shrink fits.
High Precision Options: Available in P4, P5, P6 precision grades to meet specific operational needs.
Diverse Cage Materials: Options include brass cage or steel cage depending on application requirements.
ISO Certified Quality: Manufactured under ISO9001:2000 standards with SGS quality verification.
Company profile
Business Type: Manufacturer/FactoryExport Year: 2017-07-01Nearest Port: shanghaiAverage Response Time: ≤1.50hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
AI-Powered supplier vetting
SummaryLuoyang Monton Bearing Science & Technology Co., Ltd. is a private Chinese manufacturer/factory based in Luoyang, Henan, established in 2001 and focused on high-precision, customized bearings. It reports ISO 9001 certification, a dedicated bearing performance and life-testing laboratory, imported or specially designed inspection equipment, more than 160 CNC and ultra-precision machines, and eight automatic assembly lines. Its stated product range includes angular contact, cylindrical roller, spherical roller, crossed roller, harmonic drive, mud motor, and other customized bearings. The supplier reports more than 10 production lines, 11–20 quality-control staff, 6–10 years of R&D-engineer experience, and export sales representing 41%–50% of total sales. Evidence supports substantial manufacturing, testing, R&D, and customization capabilities. However, the provided information does not establish specific customer cases, measurable after-sales performance, or sufficient grounds to assess financial credibility.
Supplier typeThe supplier is explicitly identified as a private manufacturer/factory, with the legal name Luoyang Monton Bearing Science & Technology Co., Ltd. Its stated business is the production of various bearing types, and its main product category is bearings.
CertificationsThe supplier states that it has passed ISO 9001 quality system certification. It also reports a dedicated laboratory for testing bearing performance and life, supported by quality-control personnel and specialized inspection instrumentation.
R&D capabilityMonton reports a 500-square-meter R&D center, more than 20 years of bearing R&D and production experience, a focus on high-tech and high-precision development, 6–10 years of total R&D-engineer experience, and specialized or imported equipment. These details explicitly support an established technical-development capability.
Production capacityThe supplier reports a 35,000-square-meter site, a 20,000-square-meter building area, annual production capacity of 1 million sets of various precision bearings, more than 10 production lines, over 160 CNC and ultra-precision machines, and eight automatic assembly lines. The stated equipment and production infrastructure provide explicit evidence of substantial manufacturing capability.
Customization capabilityCustomized bearings are listed among the supplier’s product keywords, and the company specifically states that it focuses on customized bearing development. Its stated complete-solution scope includes design and development, manufacturing, testing, evaluation, and after-sales service, supporting customization capability.
Product Q&A
Q:What are the available precision grades?
A:
Precision grades P4, P5, and P6 are available, or can be customized as per customer request.
Q:Can the bearing sealing be customized?
A:
Yes, the sealing type can be selected as per customer request.
Q:What materials are used for the rollers and rings?
A:
Roller material is Gcr15, and ring materials include Gcr15, GCr15SiMn, 20Cr2Ni4A, or 20Cr2MnMoA.
Q:What is the maximum load rating?
A:
The dynamic load rating is 129KN and the static load rating is 260kN.
Q:Is OEM service supported?
A:
Yes, we provide full OEM service for customized bearing solutions.
Send Inquiry
*To:
Luoyang Monton Bearing Science & Technology Co., Ltd.
Luoyang Monton Bearing Science & Technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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