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Polycarbonate Deep Groove Ball Bearing | 18x47x39mm

Expert Overview

This advanced deep groove ball bearing features a robust polycarbonate construction, offering a lightweight and non-conductive solution for critical power transmission applications. Engineered for reliability and performance, it excels in environments where traditional steel bearings may not be suitable.

StandardASME B18
MaterialPolycarbonate
FinishBlack Oxide
GradeN/A
Inside Diameter18mm
Outside Diameter47mm
Width39mm

Detailed Engineering Specifications

Built to exacting engineering tolerances, this deep groove ball bearing boasts an 18mm inside diameter, 47mm outside diameter, and a 39mm width. The advanced polycarbonate material provides exceptional corrosion resistance, is non-conductive, and offers a significantly lower weight compared to steel counterparts. Its inherent dielectric properties make it ideal for applications where electrical isolation is paramount. This design ensures smooth, low-friction rotational motion under moderate radial and axial loads, contributing to extended service life and reduced maintenance in dynamic systems.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

SKFEst. 1907
Sweden🇸🇪
"World leader in rolling bearings."
Market Rank
🏆 #1 Global Bearing Manufacturer
Industry Approvals
🚀 Formula 1 & Airbus Approved
Warranty & Support
🛡️ 24/7 Global Support
Green Manufacturing
🌱 Net Zero by 2030
Certified:ISO 14001, OHSAS 18001
TimkenEst. 1899
USA🇺🇸
"Engineered bearings and power transmission."
Market Rank
🏆 Premium Heavy Industry Leader
Industry Approvals
🚀 NASA & Military Approved
Warranty & Support
🛡️ Extended Wear Warranty
Green Manufacturing
🌱 Sustainable Steel
Certified:ISO 9001, AS9100
NSKEst. 1916
Japan🇯🇵
"Precision machinery and automotive parts."
Market Rank
🏆 Top 3 Global Bearings
Industry Approvals
🚀 Toyota & Honda OEM
Warranty & Support
🛡️ 10-Year Defect Free Guarantee
Green Manufacturing
🌱 100% Renewable Energy
Certified:ISO/TS 16949

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Ensure bearing bore and shaft are clean and free of contaminants. 2. Carefully press the bearing onto the shaft using a suitable arbor press or bearing installer, applying even force to the inner ring. 3. Mount the assembly into the housing, ensuring proper seating of the outer ring without excessive force.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Applying force to the outer ring during shaft installation.Always apply installation force only to the inner ring when mounting the bearing onto the shaft.
Using improper lubrication for polycarbonate.Consult the material data sheet for compatible lubricants; avoid aggressive solvents or greases that could degrade polycarbonate.

Common Applications

  • Electric motor assemblies requiring electrical isolation
  • Lightweight robotic arm joints
  • Corrosive chemical processing equipment

⚠️ Engineering Warnings

  • Not suitable for heavy shock loads or extreme temperatures exceeding polycarbonate's operational limits.
  • Ensure compatibility with surrounding materials to prevent chemical degradation of the polycarbonate.

Alternative Products to Consider

Premium Power Transmission equivalentHigher corrosion resistance (316 SS)
Economy Power Transmission optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Deep Groove Ball Bearing made from?

A: This Deep Groove Ball Bearing is manufactured from Polycarbonate.

Q: What are the main applications?

A: Electric motor assemblies requiring electrical isolation, Lightweight robotic arm joints, Corrosive chemical processing equipment.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 39mmDynamic Load: 7,870 lbsInstall with press fit — never strike inner/outer race directly

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.