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31mm ID x 108mm OD 304 Stainless Deep Groove Ball Bearing

Expert Overview

This 304 stainless steel deep groove ball bearing offers superior corrosion resistance and load-bearing capacity. Precisely engineered for smooth, reliable operation in demanding industrial power transmission systems.

StandardASTM A106
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Diameter31mm
Outside Diameter108mm
Width30mm

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 304 stainless steel deep groove ball bearing features a 31mm inside diameter, 108mm outside diameter, and a 30mm width. The 304 stainless steel construction provides exceptional resistance to corrosion and oxidation, making it ideal for environments exposed to moisture, chemicals, or extreme temperatures. Its robust design ensures high radial and axial load capabilities, minimizing friction and wear for extended service life. This bearing is engineered for optimal performance in demanding power transmission applications such as industrial machinery, conveyors, and heavy equipment where reliability and durability are paramount.

🧊 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 bore and shaft are clean and free of debris. 2. Carefully press the bearing onto the shaft using a suitable press or bearing installer, ensuring even pressure is applied. 3. Install the shaft and bearing assembly into the housing, ensuring proper alignment and seating.

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 force to the outer ring during shaft mounting.Always apply mounting force to the inner ring when mounting onto the shaft to prevent brinelling of the raceways.
Improper lubrication or using incompatible lubricants.Lubricate according to manufacturer specifications using a high-quality grease or oil suitable for the operating temperature and load conditions.

Common Applications

  • Industrial Conveyor Systems
  • Heavy Machinery
  • Pumps and Compressors

⚠️ Engineering Warnings

  • Ensure proper alignment during installation to prevent premature failure.
  • Avoid exceeding the bearing's rated load capacity to maintain performance and lifespan.

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: Industrial Conveyor Systems, Heavy Machinery, Pumps and Compressors.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 30mmDynamic 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.