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Polycarbonate Deep Groove Ball Bearing | 42x68x25mm | Industrial Grade

Expert Overview

This deep groove ball bearing, constructed from advanced polycarbonate, offers exceptional corrosion resistance and electrical insulation. Engineered for demanding power transmission applications, it ensures smooth, low-friction operation.

StandardDIN 933
MaterialPolycarbonate
FinishZinc Plated
GradeN/A
Inside Diameter42mm
Outside Diameter68mm
Width25mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this deep groove ball bearing (42mm ID, 68mm OD, 25mm Width) leverages the inherent benefits of polycarbonate. This advanced polymer provides superior resistance to a wide range of chemicals and aggressive environments, making it ideal for applications where metal bearings would degrade. Its non-conductive properties also offer excellent electrical insulation, crucial in sensitive electronic or electrochemical systems. The precise dimensions ensure seamless integration into standard power transmission assemblies, delivering reliable, long-lasting performance.

🧊 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 shaft and housing surfaces are clean and free of debris. 2. Carefully align the bearing with the shaft or housing bore. 3. Apply even, controlled force to press the bearing into its designated position, avoiding impact.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Applying excessive or uneven force during installation.Use a proper bearing installer or press with even pressure to avoid brinelling or damage to the bearing races.
Contaminating the bearing during handling.Store and handle bearings in a clean environment, keeping them in their original packaging until installation.

Common Applications

  • Corrosive chemical processing equipment
  • Food and beverage processing machinery
  • Electrical insulation in machinery

⚠️ Engineering Warnings

  • Maximum operating temperature for polycarbonate bearings is typically lower than steel bearings; consult material datasheets for specific limits.
  • Avoid extreme shock loads or heavy impacts, which can compromise the structural integrity of 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: Corrosive chemical processing equipment, Food and beverage processing machinery, Electrical insulation in machinery.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 25mmDynamic 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.