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304 Stainless Steel Deep Groove Ball Bearing | 70x90x9mm

Expert Overview

Engineered for robust performance in challenging environments, this 304 stainless steel deep groove ball bearing offers superior corrosion resistance and durability. Its precise dimensions ensure smooth, reliable operation in demanding power transmission systems.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Diameter70mm
Outside Diameter90mm
Width9mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this deep groove ball bearing is constructed from premium 304 stainless steel, delivering exceptional resistance to corrosion, oxidation, and chemical attack. With an inside diameter of 70mm, an outside diameter of 90mm, and a width of 9mm, it is designed for precise load distribution and reduced friction. The inherent properties of 304 stainless steel make it ideal for use in environments exposed to moisture, aggressive chemicals, or fluctuating temperatures, ensuring extended service life and consistent performance in sectors such as food processing, marine equipment, and chemical handling machinery.

🧊 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. Ensure the bearing seat and shaft are clean and free from debris. 2. Carefully press the bearing onto the shaft or into the housing using appropriate tooling to avoid misalignment. 3. Verify smooth rotation without excessive play or binding after installation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 or using improper tools during installation, leading to brinelling or damage to the races.Utilize a bearing press or induction heater for controlled, even force application. Ensure shafts and housings are within specified tolerances.
Contaminating the bearing with dirt, debris, or moisture during handling and installation.Keep the bearing in its original packaging until ready for installation. Work in a clean environment and use clean hands or gloves.

Common Applications

  • Food and Beverage Processing Equipment
  • Marine and Offshore Machinery
  • Chemical Processing Plants
  • Medical Devices
  • Outdoor and Corrosive Environments

⚠️ Engineering Warnings

  • This bearing is susceptible to damage from shock loads; avoid impacts.
  • Ensure compatibility of lubricants with the 304 stainless steel material and operating environment.

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 Equipment, Marine and Offshore Machinery, Chemical Processing Plants, Medical Devices, Outdoor and Corrosive Environments.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 9mmDynamic 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.