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Polycarbonate Deep Groove Ball Bearing 51x45x19mm

Expert Overview

Engineered for lightweight, non-conductive, and corrosion-resistant power transmission, this deep groove ball bearing utilizes advanced polycarbonate for exceptional performance in challenging environments.

StandardASME B18
MaterialPolycarbonate
FinishPlain
GradeN/A
Inside Diameter51mm
Outside Diameter45mm
Width19mm

Detailed Engineering Specifications

Specified by design engineers worldwide, this deep groove ball bearing features an inside diameter of 51mm, an outside diameter of 45mm, and a width of 19mm. Constructed from high-grade polycarbonate, it offers superior chemical resistance, electrical insulation properties, and a significantly lower weight compared to traditional steel bearings, making it ideal for applications where material degradation, sparking, or weight reduction are critical concerns. Its precision engineering ensures smooth operation and reliable load bearing.

🧊 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. Clean bearing bore and shaft thoroughly. 2. Gently press bearing onto shaft, ensuring square alignment. 3. Secure bearing in housing, avoiding excessive force on the outer ring.

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
Forcing the bearing onto the shaft with impact.Use a hydraulic press or bearing installer tool for controlled, even pressure.
Contaminating the bearing during installation.Handle bearings with clean hands or gloves and install in a clean environment.

Common Applications

  • Chemical processing equipment
  • Food and beverage machinery
  • Medical devices
  • Electronics manufacturing
  • Corrosive environments

⚠️ Engineering Warnings

  • Maximum operating temperature for polycarbonate bearings is typically lower than steel; consult material data sheet for specific limits.
  • Avoid exposure to aggressive solvents that may degrade 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: Chemical processing equipment, Food and beverage machinery, Medical devices, Electronics manufacturing, Corrosive environments.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 19mmDynamic 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.