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Polycarbonate Deep Groove Ball Bearing 21x133x43mm

Expert Overview

Engineered for exceptional performance in power transmission, this deep groove ball bearing features a robust polycarbonate construction. Offering superior corrosion resistance and lightweight properties, it ensures reliable operation in diverse industrial environments.

StandardASME B18
MaterialPolycarbonate
FinishGalvanized
GradeN/A
Inside Diameter21mm
Outside Diameter133mm
Width43mm

Detailed Engineering Specifications

A high-performance industrial component, this deep groove ball bearing boasts a 21mm inside diameter, 133mm outside diameter, and a 43mm width, facilitating precise integration into power transmission systems. Constructed from advanced polycarbonate, it exhibits excellent chemical resistance, low friction coefficients, and superior electrical insulation properties, making it ideal for applications where metallic bearings may corrode or interfere with electrical signals. Its lightweight nature reduces overall system mass without compromising load-bearing capacity for its class. This design ensures extended service life and reduced maintenance requirements in demanding operational conditions.

🧊 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 from debris. 2. Carefully align the bearing with the shaft and gently press it into place, avoiding excessive force. 3. Verify smooth rotation and secure the bearing according to the system's design specifications.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Forcing the bearing onto a misaligned shaft.Always ensure perfect alignment before attempting to install the bearing to prevent damage to raceways and balls.
Using incorrect lubrication for polycarbonate bearings.Consult material compatibility charts to select lubricants that do not degrade polycarbonate.

Common Applications

  • Conveyor Systems
  • Electric Motors
  • Material Handling Equipment

⚠️ Engineering Warnings

  • Avoid exposure to extreme temperatures exceeding the polycarbonate's thermal limits.
  • Do not subject the bearing to impact loads beyond its designed capacity.

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: Conveyor Systems, Electric Motors, Material Handling Equipment.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 43mmDynamic 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.