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Brass Deep Groove Ball Bearing | 21x158x12mm | Power Transmission

Expert Overview

Engineered for reliable performance, this brass deep groove ball bearing offers exceptional durability and low friction in demanding power transmission systems. Its robust construction ensures longevity and efficient operation.

StandardASTM A106
MaterialBrass
FinishGalvanized
GradeN/A
Inside Diameter21mm
Outside Diameter158mm
Width12mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this deep groove ball bearing features a 21mm inside diameter, 158mm outside diameter, and a 12mm width. Constructed from high-quality brass, it offers excellent corrosion resistance and good thermal conductivity, making it suitable for environments where moisture or elevated temperatures are a concern. The design allows for high rotational speeds and accommodates both radial and axial loads, ensuring efficient power transfer in a wide range of mechanical assemblies. Its precise engineering minimizes vibration and noise, contributing to overall system stability and operational efficiency.

🧊 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 the bearing seat and shaft thoroughly to remove any debris or contaminants. 2. Carefully press the bearing onto the shaft or into the housing, ensuring it is seated squarely and without excessive force. 3. Apply a suitable lubricant according to the application's operating conditions and manufacturer recommendations.

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

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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 excessive force during installation, leading to brinelling of the raceways.Utilize a bearing press or appropriate tooling for controlled and even pressure during installation.
Incorrect lubrication, leading to premature wear or overheating.Consult the bearing manufacturer's guidelines and operational environment for the correct type and amount of lubricant.

Common Applications

  • Industrial Gearboxes
  • Electric Motors
  • Conveyor Systems

⚠️ Engineering Warnings

  • Ensure proper alignment during mounting to prevent premature failure.
  • Avoid exposure to aggressive chemicals that may degrade brass.

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 Brass.

Q: What are the main applications?

A: Industrial Gearboxes, Electric Motors, Conveyor Systems.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 12mmDynamic 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.