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Polycarbonate Deep Groove Ball Bearing - 25x81x17mm

Expert Overview

This deep groove ball bearing features a robust polycarbonate construction, offering exceptional lightweight properties and corrosion resistance. Engineered for reliable performance in power transmission systems, it ensures smooth operation and longevity.

StandardASTM A106
MaterialPolycarbonate
FinishGalvanized
GradeN/A
Inside Diameter25mm
Outside Diameter81mm
Width17mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this deep groove ball bearing boasts a 25mm inside diameter, an 81mm outside diameter, and a 17mm width. The advanced polycarbonate material provides superior chemical resistance and significantly reduced weight compared to traditional steel bearings, making it ideal for environments where corrosion is a concern or weight optimization is critical. Its design ensures efficient load distribution for radial and axial forces, contributing to reduced friction and extended service life in diverse industrial settings.

🧊 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 the bearing housing and shaft are clean and free from contaminants. 2. Carefully press the bearing onto the shaft, applying even pressure to the inner ring. 3. Mount the bearing into the housing, ensuring a snug fit without excessive force.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 force to the outer ring during shaft installation.Always apply pressure exclusively to the inner ring when mounting the bearing onto the shaft.
Using excessive force, leading to brinelling or damage.Utilize appropriate press tools and ensure alignment to prevent damage to the bearing raceways or balls.

Common Applications

  • Automated machinery
  • Material handling equipment
  • Medical devices

⚠️ Engineering Warnings

  • Avoid exposure to extreme temperatures beyond the polycarbonate's thermal limits.
  • Do not use with abrasive media that could compromise the polycarbonate surface.

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: Automated machinery, Material handling equipment, Medical devices.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 17mmDynamic 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.