Home > Power Transmission > Deep Groove Ball Bearing

21mm ID x 140mm OD Carbon Steel Deep Groove Ball Bearing

Expert Overview

This robust deep groove ball bearing, constructed from high-grade carbon steel, is engineered for superior performance in demanding power transmission applications. Its precise dimensions ensure seamless integration and reliable operation under continuous load.

StandardASME B18
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Diameter21mm
Outside Diameter140mm
Width30mm

Detailed Engineering Specifications

A high-performance industrial component, this deep groove ball bearing features an inside diameter of 21mm, an outside diameter of 140mm, and a width of 30mm. Fabricated from high-carbon steel, it offers excellent hardness, wear resistance, and load-carrying capacity for radial and axial forces. The hardened raceways and precision-ground balls minimize friction and heat generation, ensuring efficient power transfer and extended service life. This bearing is ideal for applications requiring robust and reliable rotational support.

🧊 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 mounting surfaces are clean and free of debris. 2. Carefully press the bearing onto the shaft or into the housing, applying even pressure. 3. Verify smooth rotation and proper seating before applying load.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Forcing the bearing onto the shaft or into the housing with excessive or uneven force.Use a proper bearing installer or a hydraulic press to apply even pressure, ensuring the bearing is seated squarely.
Installing the bearing in a contaminated environment, leading to premature wear.Maintain a clean work area and handle bearings with clean hands or tools. Lubricate the bearing immediately after installation if not pre-lubricated.

Common Applications

  • Electric Motors
  • Gearboxes
  • Conveyor Systems
  • Industrial Machinery

⚠️ Engineering Warnings

  • Ensure proper lubrication is maintained to prevent premature wear and overheating.
  • Avoid exposing the bearing to excessive shock loads or extreme temperatures beyond its operating specifications.

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, Conveyor Systems, Industrial Machinery.

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.