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71x128x30mm 304 Stainless Steel Deep Groove Ball Bearing

Expert Overview

Engineered for superior performance and longevity, this 304 stainless steel deep groove ball bearing delivers reliable power transmission in corrosive environments. Its robust construction ensures smooth operation and efficient load handling.

StandardASTM A106
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter71mm
Outside Diameter128mm
Width30mm

Detailed Engineering Specifications

Manufactured under strict quality controls, this deep groove ball bearing features an inside diameter of 71mm, an outside diameter of 128mm, and a width of 30mm. Constructed from premium 304 stainless steel, it offers exceptional corrosion resistance and durability, making it ideal for applications exposed to moisture, chemicals, or extreme temperatures. The precise engineering ensures low friction, high load capacity, and long service life in demanding industrial settings, including food processing, marine, and chemical processing equipment.

🧊 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 bearing bore and shaft thoroughly. 2. Apply a thin layer of appropriate lubricant to the shaft and bearing bore. 3. Carefully press the bearing onto the shaft using a proper bearing installer or press, ensuring even force application.

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
Improper cleaning leading to contamination.Thoroughly degrease and clean all mounting surfaces and the bearing itself before installation.
Uneven pressing causing misalignment or damage.Utilize a calibrated press or bearing induction heater for controlled and even mounting, ensuring the force is applied to the correct bearing ring.

Common Applications

  • Conveyor systems in food and beverage processing
  • Marine propulsion and auxiliary equipment
  • Chemical processing machinery
  • Pumps and compressors in corrosive environments

⚠️ Engineering Warnings

  • Avoid excessive impact loading which can compromise bearing integrity.
  • Ensure proper lubrication according to operating conditions to prevent premature wear.

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: Conveyor systems in food and beverage processing, Marine propulsion and auxiliary equipment, Chemical processing machinery, Pumps and compressors in corrosive environments.

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.