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21mm ID Nylon Deep Groove Ball Bearing | 191mm OD | Power Transmission

Expert Overview

Engineered for demanding power transmission, this deep groove ball bearing features a robust nylon construction. Offering exceptional corrosion resistance and a lightweight profile, it ensures reliable performance in various industrial environments.

StandardASTM A106
MaterialNylon
FinishPassivated
GradeN/A
Inside Diameter21mm
Outside Diameter191mm
Width18mm

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this deep groove ball bearing boasts an internal diameter of 21mm and an external diameter of 191mm, with a width of 18mm. Constructed from high-performance nylon, it exhibits superior corrosion resistance, a low coefficient of friction, and reduced weight compared to traditional steel bearings, making it ideal for applications where weight reduction and resistance to chemical environments are critical. Its robust design ensures efficient power transmission and extended service life in moderate load conditions.

🧊 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:N/A

Installation Procedure

1. Ensure bearing bore and shaft are clean and free from debris. 2. Carefully align the bearing with the shaft, applying steady, even pressure for insertion. 3. Secure the bearing in its housing using appropriate retaining rings or press fits, ensuring it is properly seated.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

Mechanical Properties

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

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 installation, leading to brinelling or damage to the nylon raceways.Utilize a bearing press or appropriate driver to apply force evenly and gradually to the bearing's outer ring for insertion into the housing, or to the inner ring for mounting onto the shaft.
Improper lubrication, leading to premature wear or increased friction.Consult the bearing manufacturer's recommendations for appropriate lubricant type and quantity, ensuring it is compatible with nylon and the operating environment.

Common Applications

  • Conveyor Systems
  • Material Handling Equipment
  • Agricultural Machinery

⚠️ Engineering Warnings

  • Not suitable for high-impact or extreme shock load applications.
  • Operating temperature range is limited by the thermal properties of nylon; consult specifications for precise limits.

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 Nylon.

Q: What are the main applications?

A: Conveyor Systems, Material Handling Equipment, Agricultural Machinery.

Technical Schematic

BALL BEARING CROSS-SECTIONISO 15 — Deep Groove Ball BearingBOREOD = 52mmd = 25mmWidth: 18mmDynamic 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.