Cylindrical Roller Bearing NJ309M NU310M GCr15 for Auto Transmission, P0-P4 Precision
Roller Bearing

ISO

Certified

P0-P4

Precision

1 PC

Min. Order

Roller Bearing Single-Row Cylindrical Roller Bearings

Cylindrical Roller Bearing NJ309M NU310M GCr15 for Auto Transmission, P0-P4 Precision

Ensure smooth, reliable auto transmission performance with our high-precision Cylindrical Roller Bearing NJ309M/NU310M, crafted from premium GCr15 bearing steel to handle radial loads and reduce wear in demanding driving conditions. Precision-grade P0-P4 ensures minimal vibration and extended service life, addressing the critical need for consistent performance in automotive powertrains.

  • Separated structure design allows easy mounting/disassembly, simplifying maintenance for mechanics and reducing downtime
  • Single row configuration with open seals provides optimal lubrication flow, enhancing heat dissipation during high-speed operation
  • Complies with ISO industrial standards, backed by our 12-month warranty and expert technical support for seamless integration into your transmission systems

MOQ

1 Piece

Lead Time

5-15 Days

Warranty

12 Mo.

Precision

P0-P4

Noise Grade

Z2-Z4

Customization

OEM/ODM

  • High-grade chrome steel for long service life
  • Strict raw material inspection & full process monitoring
  • ISO 9001:2015 & ISO 14001 certified
  • ABMA & DIN standards compliant
  • Free samples for qualified distributors
  • T/T, Credit Card & Alibaba payment accepted

Product Details

Especificaciones del Producto

Parámetro

Detalles

Número de modelo

Dimensión exterior

35mm-400mm

Material

Acero para rodamientos

Esférico

Rodamientos no alineables

Dirección de Carga

Rodamiento Radial

Separado

Separado

Nombre del producto

Rodamiento de rodillos cilíndricos

Estructura

Cilíndrico

Tipo de Sellos

Abrir

Lubricar

Grasa de aceite seca

Clasificación de Precisión

P0 P6 P5 P4 P2

Número de fila

Fila Única

Servicio

OEM ODM

Paquete de Transporte

Palé de Cartón

Especificación

Origen

China

Código HS

8482500090

Capacidad de Producción

100000

Nj309m
45*100*25mm

Industrias de Aplicación

Industria

Equipo Típico

Automotriz

Maquinaria Industrial

Auto Transmissions
Gearboxes, Machine Tools
Power Transmission Reduction Drives, Conveyors

Prevent Transmission Failures with NJ309M NU310M Cylindrical Roller Bearings

Auto transmission manufacturers know the cost of bearing failure—unplanned downtime, warranty claims, and reputational damage. Sourcing bearings that balance precision, durability, and delivery speed remains a constant challenge, especially when dealing with custom specifications or tight production schedules.

Engineered for Auto Transmission Performance

Our Cylindrical Roller Bearings, including NJ309M and NU310M models, are designed to address these pain points. Crafted from high-grade GCr15 bearing steel and available in P0-P4 precision classes, these bearings deliver reliable radial load support critical for transmission gears. With separated inner and outer rings, they allow easy installation and maintenance—key for assembly line efficiency.

Optimized for Demanding Transmission Environments

Auto transmissions operate under extreme conditions: continuous radial loads, variable speeds, and temperature fluctuations. Our cylindrical roller bearings excel here, with open design facilitating lubrication management and single-row structure ensuring compact fit in transmission housings. The non-aligning design maintains stability under shaft deflection, reducing premature wear in high-torque applications.

Precision Parameters That Matter

Three technical features define these bearings’ performance: Precision rating (P0-P4) controls dimensional accuracy—P4 grade minimizes runout for smooth gear meshing. Separated construction allows independent mounting of inner and outer rings, simplifying transmission assembly. GCr15 steel composition ensures hardness (HRC 58-62) and fatigue resistance, extending service life under cyclic loads. These attributes directly translate to fewer transmission failures and lower maintenance costs.

¿Por qué comprometer la calidad de los rodamientos?

Choosing substandard cylindrical roller bearings may reduce upfront costs, but the hidden expenses add up. Early fatigue failure can damage gears and shafts, leading to $1,000+ repair bills per transmission. Our bearings, produced in an ISO9001-certified facility with full QC lab testing, meet strict auto industry standards—delivering consistent performance that lowers total cost of ownership over time.

Su Socio de Rodamientos Confiable Desde 2005

We’ve served global automotive clients for 18 years, with a track record of stable supply across Europe, America, and Southeast Asia. Our R&D team develops custom solutions for unique transmission requirements, while our flexible order system supports 1pc MOQ for standard items—perfect for prototyping or emergency repairs. Every bearing comes with a 12-month warranty, and our technical team provides free guidance on installation and lubrication.

Packaging & Shipping

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

  • 3-5 days sample lead time for prototype testing
  • 5-15 days bulk delivery via T/T, credit card, or Alibaba trade terms
  • Global logistics options including air and sea freight
  • 1pc MOQ available for standard cylindrical roller bearings

Get Your Transmission Bearings Today

Don’t let bearing issues slow your production. Send us your transmission model, required precision grade, and quantity—our team will confirm specifications and provide a quote within 24 hours. With free samples available (buyer covers freight), you can validate performance before full production.

Preguntas Frecuentes

Q: Are these bearings suitable for high-temperature transmission applications?

A: Yes, our GCr15 cylindrical roller bearings operate effectively in typical automotive transmission temperature ranges. Contact our technical team for specific heat resistance requirements.

Q: Can you customize bearing dimensions for non-standard transmissions?

A: We offer full OEM/ODM customization. Provide your technical drawings or sample, and our engineering team will develop a solution.

P: ¿Qué cobertura de garantía proporcionan?

A: All bearings come with a 12-month global warranty. Defective products will be replaced or refunded at no cost.

Q: What is the minimum order quantity for custom bearings?

A: Custom orders require MOQ negotiation based on specifications. Standard models like NJ309M are available with 1pc MOQ.

Q: ¿Cómo aseguran la calidad de los rodamientos?

A: Our ISO9001 & ISO14001 certified production includes raw material inspection, in-process testing, and final QC before shipment.

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

Tags: Auto Transmission Bearing Cylindrical Roller Bearing Cylindrical Roller Bearing for Auto Transmission Gcr15 bearing GCr15 Cylindrical Roller Bearing NJ309M Bearing NU310M Bearing P0-P4 Precision Bearing
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