SKF NK42/30 NK43/20 Needle Roller Bearings
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SKF
Needle Bearing
ISO 9001
TS 16949
Genuine SKF
50+ Countries
24h Response
-- SKF Authorized Engineering Partner
BDL NA4911/4912/4913 Needle Roller Bearings High Quality
Experience smooth, reliable performance in your machinery with high-quality BDL NA4911 Needle Bearings designed to reduce friction and extend equipment lifespan. These precision-engineered bearings handle radial loads effortlessly, making them ideal for tight spaces where durability matters most.
- Crafted from premium bearing steel with P0-P2 precision ratings, ensuring consistent operation even under demanding conditions
- Versatile lubrication options (grease or oil) and C0/C3/C4 clearance settings let you customize for your specific application
- Compact 20×26×16mm design delivers maximum load capacity without sacrificing space, perfect for high-torque environments
- Backed by BDL’s OEM/ODM expertise and 3-7 day delivery, so you can minimize downtime and keep your operations running smoothly
Technical Specifications
- Product Name
- BDL NA4911/4912/4913 Needle Roller Bearings High Quality
- Category
- Needle Bearing
- Quality Standard
- ISO 9001 / TS 16949
- Lead Time
- 8-12 Weeks Custom
- Minimum Order
- Negotiable
15+ Certified Engineers On-Call
Free application analysis · Failure diagnosis · Custom modification guidance. Response within 24 hours.
Especificações do Produto
Parâmetro
Detalhes
Número do Modelo
Tipo de Rolamento
Direção de Carga
Rolamento Radial
Material
Aço para rolamentos
Especificações (d x D x B)
Lubrificação
Graxas ou Óleo
Classificação de Precisão
P0, P6, P5, P4, P2
Liquidação C0, C3, C4 Marca Registrada
BDL Origem
China
Código HS
8482102000
Adequação da Aplicação
Indústria
Aplicações Típicas
Equipamentos de automação
Sistemas de movimento linear, guias de precisão
Sistemas hidráulicos
Engenharia Mecânica
Finding the right needle roller bearing often means sifting through countless models with mismatched dimensions or questionable quality. Many buyers face delays from suppliers with limited stock, or receive bearings that fail prematurely due to substandard materials. When your equipment depends on precise radial load handling, these issues can lead to costly downtime and rework. Projetado para oferecer desempenho consistente em aplicações exigentes
The BDL NA4911/4912/4913 series needle roller bearings address these challenges with ISO 9001-certified manufacturing processes and strict quality control. As a supplier with access to both our own BDL brand and major international bearing lines, we can source or deliver this 20x26x16 mm closed-type bearing quickly—typically within 3-7 days from stock. Designed without inner or outer rings, it fits seamlessly into compact mechanical assemblies like hydraulic cylinder rods and automation equipment slides, where space is at a premium. This bearing excels in applications with high radial loads and restricted axial space. Its needle roller design provides superior load capacity compared to ball bearings of the same size, making it ideal for power transmission components and gearbox assemblies. Whether operating in dry or lubricated conditions (grease or oil compatible), the bearing steel construction ensures durability under continuous use, with precision ratings from P0 to P2 available to match your equipment’s tolerance requirements. Principais características de engenharia que influenciam a durabilidade
Several critical specifications define this bearing’s performance. The 20 mm bore diameter (d), 26 mm outer diameter (D), and 16 mm width (B) follow standard dimensional conventions, ensuring interchangeability with common international models. Clearance options (C0, C3, C4) allow customization for thermal expansion needs—C3 clearance, for example, suits applications with temperature variations that might cause tightness. Surface hardness, a byproduct of high-quality bearing steel, resists wear under cyclic loads, while the closed-type design helps retain lubricant and prevent debris ingress in industrial environments. Por que escolher o rolamento de agulha certo reduz os custos totais
Selecting a subpar needle roller bearing may seem cost-effective initially, but the hidden expenses add up. Bearings with inadequate precision (e.g., non-P5 ratings) can cause vibration and noise, leading to premature wear of adjacent components. Material inconsistencies often result in early fatigue failure, requiring emergency replacements and unplanned maintenance. In contrast, the BDL NA4911/4912/4913 series, with its rigorous testing for dimensions, hardness, and surface finish, reduces these risks—ultimately lowering your total cost of ownership by extending service intervals and minimizing downtime. Our commitment to quality starts with raw material inspection and continues through every production stage. Each bearing undergoes dimensional checks to ensure compliance with stated specifications (20x26x16 mm) and hardness testing to confirm material integrity. We provide a standard warranty against manufacturing defects, with clear terms in our sales agreements. For buyers needing specific certifications or documentation, we can supply test reports and HS code documentation (8482102000) to facilitate customs clearance. Whether you need the TC80 model specifically or require assistance identifying the right needle roller bearing for your application, our team can help. Provide your required quantity, delivery location, and any special specifications (e.g., precision class, clearance), and we’ll respond with a competitive quote and availability. With our extensive network, we can also source alternative brands if needed—just share the model or dimensions. Perguntas frequentes
P: Vocês fornecem rolamentos de outras marcas além da BDL?
A: Yes, we offer a full range of international and domestic brands, including SKF, NSK, NTN, Koyo, and more. We can source or supply bearings according to your specified brand or model. Q: How can I confirm if the TC80 model fits my equipment? A: Provide your equipment’s required bearing dimensions (bore, outer diameter, width) or existing model number, and our technical team will verify compatibility with the 20x26x16 mm specification. P: Qual é a sua política de garantia para esses rolamentos de agulhas?
A: We provide a warranty against manufacturing defects. Specific terms, including duration, are detailed in our sales contracts, with replacement or refund options for verified issues. Q: Qual é a quantidade mínima de pedido para este rolamento?
A: We support low minimum order quantities, making it feasible for small-batch trials or urgent replacements, as well as large-volume production orders. Q: How quickly can you ship the TC80 bearing? A: In-stock items ship within 3-7 days. For custom specifications or non-stock models, lead times vary and will be confirmed during the quoting process. Q: Do you offer OEM or ODM services for needle roller bearings? A: Yes, we support OEM/ODM customization, including custom dimensions, materials, and packaging, based on your technical drawings or specifications. Ready to order or need a quote?
TC80
Needle Roller Bearing, Closed
Style
Without Outer Ring, Without Inner Ring
20*26*16 mm
Cylinder piston rods, hydraulic actuators
Transmission components, gearboxes
Struggling with Needle Roller Bearing Selection? BDL NA4911/4912/4913 Series Delivers Reliability
Optimal for Radial Load Scenarios with Limited Installation Space
Quality You Can Verify Through Process and Documentation
Packaging & Shipping
Get a Quote for BDL NA4911/4912/4913 Needle Roller Bearings
Send the bearing model, dimensions (d x D x B), and quantity — we’ll get back to you with pricing and lead time.
Contact us via email or inquiry form for prompt assistance.
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01
Authorized SKF Engineering Partner
Official partner since 1998 with direct access to SKF technical resources, genuine products, and engineering expertise.
02
15+ Certified Engineers On-Staff
In-house team provides application design, failure analysis, and predictive maintenance -- reducing bearing failures by 35%.
03
ISO 9001 & TS 16949 Certified QC
Every product undergoes rigorous pre-shipment inspection with full documentation for traceability and compliance.
04
Global Logistics to 50+ Countries
Dedicated account managers and reliable delivery networks ensure on-time supply for enterprise clients worldwide.
Performance Metrics
35%
Failures Prevented
70%
Downtime Reduction
25+
Years Experience
24h
Quote Response
78% of large enterprises prefer suppliers offering integrated technical support and lifecycle services.
Application Design
EngineeringCustom bearing selection and system design based on your specific load conditions, speeds, temperatures, and environmental factors.
Failure Analysis
DiagnosticsRoot-cause investigation of bearing failures using metallurgical testing, vibration analysis, and operating data review.
Predictive Maintenance
IIoTIIoT-enabled monitoring with smart sensor bearings for real-time vibration, temperature, and RPM tracking.
Custom Modification
CustomModified bearings with special coatings, seals, tolerances, or materials. Lead time 8-12 weeks from official channels.
On-Site Installation
SupportCertified engineers available for on-site installation support, alignment checks, and commissioning assistance worldwide.
Lifecycle Support
LifecycleLong-term service agreements including regular maintenance checks, replacement scheduling, and performance reporting.
Free samples available for orders over $50K
Validated against your KPIs before full production commitment.
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Request a Technical Consultation & Quote
Our certified engineers will review your application requirements and provide a detailed quote within 24 hours.
Address
No. 377 Bansongyuan Road, Huangpu District, Shanghai, China
Free Sample Program
Orders over $50K qualify for free product samples
Test against your KPIs before full production commitment. Ask our engineers for details.
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