Nj310 Bearing

1.Product Introduction: Model NJ310, with an inner diameter of 50mm, the inner ring has a single rib, able to bear radial + single-direction axial loads.
2.Structure Type: The outer ring has double ribs, the inner ring has a single rib, with a single row of rollers + cage, and it is open - type.
3.Size Range: Inner diameter 50mm, outer diameter 110mm, width 27mm.
4.Material: Inner ring / outer ring / rollers: GCr15/GCR15SIMN/20Cr2Ni4A, cage: stamped steel / brass.
5.Precision: P0 level, precision version is P6/P5 level.
6.Application Fields: Medium-sized reducers, electric motors (positioning end), machine tool feed shafts, automobile gearboxes.
7.Key Inspection Items: Radial clearance (0.012 - 0.035mm), axial load-bearing capacity, dimensional accuracy.

Product Description

NJ310 Bearing: Precision & Durability for Heavy-Duty Applications

When you need a cylindrical roller bearing that delivers unmatched performance under extreme conditions, the NJ310 bearing stands out. Designed with a 50mm inner diameter, this single-row bearing combines radial and axial load handling in applications like electric motors, machine tools, and automotive gearboxes. Built from high-grade GCr15 steel and available in P0 to P6 precision grades, our bearing products ensure longevity even in high-temperature, high-load environments backed by LUOYANG INNO BEARING CO., LTD’s 30+ years of expertise.

Technical Specifications

Parameter Specification
Inner Diameter 50mm standard sizing
Load Capacity Dynamic loads up to 48 kN / Static loads 42 kN
Temperature Range Stable operation at 150°C (Short-term 200°C)
Precision Grades P0 to P6 (P5-grade bearing options available)

Key Advantages

  • Extreme Conditions: High load capacity and heat-resistant roller designs ideal for metallurgical machinery and port cranes.
  • Precision Manufacturing: P5-grade NJ310 cylindrical roller bearing precision reduces vibration by 30% compared to standard models.
  • Customizable Builds: Choose from brass cages, stamped steel, or specialized bearing coatings for corrosive settings.

Industry-Proven Applications

  • Mining Equipment: Triple-lip seals and carbide-coated NJ310 bearing variants resist abrasive dust in harsh mining environments.
  • Wind Turbines: Hybrid ceramic rollers reduce weight while meeting GL Wind and DNV-GL bearing certifications.
  • Robotics: Slim-profile roller bearing solutions save critical space in collaborative robot joints.

Quality & Logistics

Every bearing undergoes HRC 60-64 hardness testing, 12+ performance checks, and precise radial clearance control (0.012–0.035mm). Standard NJ310 units ship in 48 hours from regional hubs.

FAQs

Q: Can the NJ310 bearing handle high humidity in mining applications?
A: Yes! We offer IP67-sealed bearing versions with grease reservoirs for harsh, wet conditions.

Q: Do you provide IoT-enabled roller bearing units for predictive maintenance?
A: Absolutely. Our NJ310-WT3 bearing variant includes embedded sensors for real-time monitoring.

Q: Are your cylindrical roller bearing products compatible with ISO lifespan standards?
A: Yes. We test all bearings to exceed L10 life expectations per ISO 281:2010.

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