Needle Roller Bearings

Needle Roller Bearing NKI40/20 40x55x20mm P0-P4 Precision for Auto Spare Parts

SKU: e29688a0ac0f In Stock

Boost your auto spare parts' reliability with the Needle Roller Bearing NKI40/20—a precision-engineered solution that ensures smooth rotation and long service life in demanding automotive applications. Crafted from high-grade bearing steel with P0-P4 precision ratings, this 40x55x20mm radial needle bearing delivers consistent performance, reducing downtime and enhancing the durability of your machinery.

  • Designed without outer and inner rings for space-saving installation, ideal for compact auto part assemblies
  • Supports both grease and oil lubrication to adapt to your specific operational needs
  • Backed by strict quality control and ISO standards, ensuring compatibility with global automotive manufacturing requirements
Wholesale Price (FOB)
¥1.20
MOQ: 1 Piece • Bulk discounts available on inquiry
12-Month Warranty
Free Samples
Global Shipping
Product Specifications

Technical Details & Description

Especificaciones del Producto

Parámetro

Detalles

Modelo NO.

Dirección de Carga

Rodamiento Radial

Material

Acero para rodamientos

Tipo

Nombre del Producto

Lubricación

Grasa o Aceite

Clasificación de Precisión

P0 P6 P5 P4 P2

Liquidación

Servicio

OEM ODM

Paquete de Transporte

Palet de cartón

Especificación

Origen

China

Código HS

8482102000

Capacidad de Producción

1000000

NKI40/20
Style Without Outer Ring, Without Inner Ring
Closed
Needle Roller Bearing
C0 C3 C4
Delivery Time 3-7days
40*55*20 mm

Industrias de Aplicación

Industria

Equipo Típico

Automotriz

Maquinaria Industrial

Transmissions, Differentials, Steering Systems
Gearboxes, Pumps, Compressors
Auto Spare Parts Clutch Assemblies, Drive Train Components

Eliminate Auto Part Failures with NKI40/20 Needle Roller Bearing

Auto spare part manufacturers know the cost of premature bearing failure—delayed production, increased warranty claims, and damaged reputations. Sourcing reliable needle roller bearings that meet precision standards while supporting flexible order sizes often feels like an impossible balance. Many suppliers force large minimum orders or compromise on material quality, leaving you stuck between excess inventory and unreliable components.

Precision Engineered for Auto Spare Parts Performance

The NKI40/20 Needle Roller Bearing delivers the solution auto spare parts manufacturers need. With dimensions 40x55x20mm and precision ratings from P0 to P4, this radial needle roller bearing meets the strict tolerances required for automotive transmissions and drive systems. Our 1pc MOQ for standard items eliminates overstock concerns, while 3–5 day sample lead times let you validate performance before full production commitments.

Built for Demanding Automotive Conditions

Automotive applications demand bearings that handle radial loads, high speeds, and temperature fluctuations. The NKI40/20’s bearing steel construction ensures durability under continuous use, while its closed design prevents contamination in harsh environments. Whether installed in clutch assemblies or differential gears, this needle roller bearing maintains consistent performance across the demanding operating conditions of passenger and commercial vehicles.

Excelencia Técnica Que Impulsa la Fiabilidad

Three critical specifications define the NKI40/20’s performance advantage. Its precision rating options (P0-P4) allow customization—choose P4 for high-speed transmissions requiring minimal runout, or P0 for cost-effective general-purpose applications. Clearance grades (C0/C3/C4) accommodate thermal expansion needs, preventing seizure in high-temperature environments. The bearing’s radial load design optimizes contact surface area, distributing stress evenly to extend service life in torque-heavy auto parts.

Why Compromised Bearings Cost More in the Long Run

Low-quality needle roller bearings may save pennies upfront but create hidden costs. A single bearing failure in a transmission assembly can lead to $1,500+ in warranty repairs and lost customer trust. Our ISO9001-certified manufacturing process ensures each NKI40/20 bearing meets uniform quality standards, reducing failure rates by 30% compared to non-certified alternatives. The 12-month global warranty provides additional security, covering both material defects and performance issues.

Su Socio de Confianza para Soluciones de Rodamientos

Jinan Saifan Bearing brings 18 years of experience as an integrated manufacturer and exporter, serving automotive clients across Europe, America, and Southeast Asia. Our in-house R&D and QC lab conduct 12-point inspections on every batch, from raw material hardness testing to dimensional accuracy verification. We support full OEM/ODM customization, with engineers available to assist with bearing design modifications for specific auto part applications. With production capacity exceeding 1,000,000 units monthly, we ensure stable supply even for large-scale orders.

Packaging & Shipping

    Embalaje seguro de cartón y paletas para prevenir daños durante el tránsito

  • 3–7 day production lead time for standard orders
  • Envío global a través de DHL, FedEx, UPS, carga aérea o marítima

    Seguimiento en tiempo real proporcionado para todos los envíos

  • 1pc minimum order quantity for emergency repairs and small-batch production

Get Your NKI40/20 Bearing Shipped Today

Every day without reliable bearings delays production and costs money. Whether you need samples for testing or bulk orders for production, we’re ready to fulfill your request. Send us your specifications, and our technical team will confirm compatibility with your auto spare parts—ensuring you get the right bearing the first time.

Preguntas Frecuentes

Q: Are these bearings manufactured to authentic quality standards?

A: Yes, all our bearings are produced in ISO9001 and ISO14001 certified facilities, with full traceability from raw materials to finished products.

Q: How do I confirm if the NKI40/20 fits my auto part application?

A: Provide your equipment model or technical drawings, and our engineering team will verify dimensional compatibility and performance suitability.

P: ¿Qué cobertura de garantía ofrecen?

A: Ofrecemos una garantía global de 12 meses que cubre defectos de fabricación, con reemplazo o reembolso gratuito para productos no conformes.

P: ¿Cuál es la cantidad mínima de pedido?

A: Los artículos estándar tienen un MOQ de 1 pieza, apoyando tanto reparaciones de emergencia como necesidades de producción en pequeñas cantidades.

Q: How quickly can you ship the NKI40/20 bearing?

A: Samples ship within 3–5 days, and bulk orders deliver in 5–15 days depending on quantity.

Q: Do you offer customization for special requirements?

A: Yes, we provide full OEM/ODM services, including custom dimensions, precision grades, and packaging options.

Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we’ll respond within 24 hours.

Sample Policy

Free samples available for distributors. 3–5 days production lead time.

Bulk Delivery

5–15 days for bulk orders. T/T, L/C and Alibaba payments accepted.

Certifications

ISO 9001:2015, ISO 14001 certified. ABMA / DIN compliant.

After-Sales

12-month warranty plus dedicated technical failure analysis support.

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