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Deep Groove Ball Bearing 87x128x9mm Carbon Steel

Expert Overview

This robust carbon steel deep groove ball bearing offers exceptional performance in power transmission systems. Engineered for precision and durability, it ensures smooth, low-friction operation under demanding industrial loads.

StandardASME B18
MaterialCarbon Steel
FinishPlain
GradeN/A
Inside Diameter87mm
Outside Diameter128mm
Width9mm

Detailed Engineering Specifications

A proven choice for industrial professionals, this deep groove ball bearing is constructed from high-quality carbon steel for superior hardness and wear resistance. Its precise dimensions—an inside diameter of 87mm, an outside diameter of 128mm, and a width of 9mm—ensure optimal fit and function within power transmission assemblies. The inherent properties of carbon steel provide excellent load-carrying capacity and longevity, making it ideal for applications requiring reliable rotational movement and reduced energy loss. This bearing's design minimizes friction, contributing to increased efficiency and reduced operational costs in 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. Clean and inspect both the bearing and its housing for any debris or damage. 2. Carefully mount the bearing onto the shaft, ensuring a snug fit without excessive force. 3. Press the bearing into its housing, applying even pressure to avoid tilting or misalignment.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Applying excessive force during mounting.Use a proper bearing installer or press, and apply force evenly to the correct ring of the bearing.
Improper lubrication.Ensure the bearing is adequately lubricated with the recommended grease or oil before and during operation.

Common Applications

  • Electric Motors
  • Gearboxes
  • Pumps

⚠️ Engineering Warnings

  • Do not exceed the maximum recommended operating speed or load capacity.
  • Ensure proper alignment during installation to prevent premature failure.

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 Carbon Steel.

Q: What are the main applications?

A: Electric Motors, Gearboxes, Pumps.

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.