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Polycarbonate Deep Groove Ball Bearing - 81x121x34mm

Expert Overview

This robust polycarbonate deep groove ball bearing offers exceptional resistance to chemicals and corrosion, making it a superior choice for demanding power transmission systems in harsh environments.

StandardDIN 933
MaterialPolycarbonate
FinishPassivated
GradeN/A
Inside Diameter81mm
Outside Diameter121mm
Width34mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this deep groove ball bearing features an 81mm inside diameter, a 121mm outside diameter, and a 34mm width. Constructed from high-performance polycarbonate, it exhibits excellent chemical inertness, low friction, and good electrical insulation properties. This material selection is critical for applications exposed to corrosive substances or requiring non-sparking characteristics. Its deep groove geometry accommodates both radial and axial loads, ensuring reliable performance in conveyor systems, pumps, and light manufacturing equipment.

🧊 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 debris. 2. Apply a light film of appropriate lubricant to the shaft and inner ring. 3. Carefully press the bearing onto the shaft, ensuring it seats squarely. Use a press or appropriate fixture for controlled force application.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Applying excessive force during installation, leading to brinelling or deformation of the polycarbonate raceways.Utilize a controlled press or bearing installation tool to apply force only to the inner ring during shaft mounting.
Using incompatible lubricants that can degrade the polycarbonate material over time.Consult the bearing manufacturer's compatibility chart for lubricants suitable for polycarbonate bearings.

Common Applications

  • Chemical Processing Equipment
  • Food and Beverage Machinery
  • Corrosive Environment Conveyor Systems

⚠️ Engineering Warnings

  • Maximum operating temperature for polycarbonate is typically lower than steel bearings; verify application temperature limits.
  • While chemically resistant, extreme or prolonged exposure to certain aggressive solvents may affect polycarbonate integrity. Consult material compatibility data.

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: Chemical Processing Equipment, Food and Beverage Machinery, Corrosive Environment Conveyor Systems.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 34mmDynamic 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.