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Deep Groove Ball Bearing 21x181x25mm Aluminum 6061

Expert Overview

This high-performance Deep Groove Ball Bearing, constructed from lightweight Aluminum 6061, offers exceptional corrosion resistance and durability. Engineered for precise power transmission in demanding environments.

StandardDIN 933
MaterialAluminum 6061
FinishPlain
GradeN/A
Inside Diameter21mm
Outside Diameter181mm
Width25mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this Deep Groove Ball Bearing features an internal diameter of 21mm and an external diameter of 181mm, with a width of 25mm. Fabricated from premium Aluminum 6061-T6, it provides superior corrosion resistance, a favorable strength-to-weight ratio, and excellent machinability, making it ideal for applications where weight reduction and environmental resistance are critical. Its robust design ensures smooth rotational performance and reliable load bearing in moderate to high-speed operations.

🧊 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 seat and shaft are clean and free of debris. 2. Carefully press the bearing onto the shaft or into the housing, applying even force to the correct race. 3. Verify smooth rotation and proper seating before applying load.

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 to the wrong race during installation.Apply force only to the ring that is being fitted (either the inner ring onto the shaft or the outer ring into the housing).
Contaminating the bearing during handling or installation.Keep the bearing in its original packaging until installation and handle with clean gloves or tools.

Common Applications

  • Electric Motors
  • Conveyor Systems
  • Industrial Machinery

⚠️ Engineering Warnings

  • Not suitable for extreme shock loads or abrasive environments without appropriate sealing.
  • Operating temperatures should not exceed the material's thermal limits to prevent degradation.

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 Aluminum 6061.

Q: What are the main applications?

A: Electric Motors, Conveyor Systems, Industrial 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.