Home > Power Transmission > Deep Groove Ball Bearing

304 Stainless Steel Deep Groove Ball Bearing 65x21x25mm

Expert Overview

This 304 stainless steel deep groove ball bearing offers superior corrosion resistance and durability. Engineered for reliability in challenging industrial applications, it ensures smooth, low-friction rotational performance under load.

StandardASTM A106
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter65mm
Outside Diameter21mm
Width25mm

Detailed Engineering Specifications

Designed for demanding industrial environments, this deep groove ball bearing features a 65mm inside diameter, a 21mm outside diameter, and a 25mm width. Constructed from premium 304 stainless steel, it provides exceptional resistance to rust, corrosion, and mild acids, making it ideal for food processing, chemical handling, marine, and outdoor equipment. The robust construction ensures consistent performance and extended service life in high-moisture or chemically aggressive settings.

🧊 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:Yes

Installation Procedure

1. Clean the shaft and housing bore thoroughly before installation. 2. Carefully press the bearing onto the shaft, ensuring it is seated squarely and fully. 3. Mount the housing onto the shaft, aligning it precisely with the bearing's outer race.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Applying excessive force during press-fitting, potentially deforming the bearing races.Use a proper press or bearing installer tool, applying force only to the ring being fitted (inner race to shaft, outer race to housing).
Contaminating the bearing surfaces with dirt or debris during handling and installation.Keep the bearing in its original packaging until ready for installation and use clean tools and a clean workspace.

Common Applications

  • Food and Beverage Processing Machinery
  • Chemical Processing Equipment
  • Marine and Offshore Applications
  • Outdoor Conveyor Systems
  • Pharmaceutical Manufacturing

⚠️ Engineering Warnings

  • Do not expose to extreme temperatures beyond the material's rated operating range.
  • Ensure proper lubrication for optimal performance and longevity.

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 304 Stainless Steel.

Q: What are the main applications?

A: Food and Beverage Processing Machinery, Chemical Processing Equipment, Marine and Offshore Applications, Outdoor Conveyor Systems, Pharmaceutical Manufacturing.

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.