logo
Send Message
China Stainless Steel Balls manufacturer

G20 Grade 2mm Miniature Bearing Stainless Steel Balls for High Speed Electric Motor Precision Rotation Components

Product Details:
Place of Origin: China
Brand Name: Ecer Steel Ball
Certification: ISO 9001:2015, RoHS
Model Number: SSB-2mm-G20
Payment & Shipping Terms:
Minimum Order Quantity: 1000 pcs
Price: USD 0.01-5.00 per piece
Packaging Details: Anti-rust oil coated carton box, 5000 pcs per box
Delivery Time: 7-15 working days
Payment Terms: L/C, T/T, Western Union, PayPal
Supply Ability: 10,000,000 pcs per month

Detail Information

Highlight:

Miniature Bearing Steel Balls

,

G20 Grade 2mm Precision

,

Electric Motor Bearing Balls

Product Description

G20 2mm Stainless Steel Precision Ball

Premium G20 tolerance grade 2mm stainless steel precision balls made from AISI 440C / SUS440C martensitic stainless steel. Designed for high-speed electric motors & bearings, these balls deliver exceptional hardness (HRC 58-65), wear resistance, and corrosion protection.

Key Features

  • Material: AISI 440C stainless steel with optimal hardness and corrosion resistance
  • Grade: G20 precise dimensional tolerance and sphericity control
  • Diameter: 2mm with tight diameter variation tolerance
  • Surface Finish: Mirror-polished Ra 0.025 μm for minimal friction
  • Hardness: HRC 58-65 after proper heat treatment
  • Corrosion Resistance: Excellent in humid and chemical environments

Technical Specifications

ParameterSpecification
MaterialAISI 440C / SUS440C
Ball Diameter2mm
Tolerance GradeG20
HardnessHRC 58-65
Density7.78 g/cm3
Surface RoughnessRa 0.025 μm

Applications

Suitable for High-Speed Electric Motors & Bearings. Also ideal for precision bearings, metering valves, flow control devices, spray systems, industrial conveyors, automotive components, and general engineering applications.

Packaging & Quality

Anti-rust oil coated carton box, 5000 pcs per box. 100% dimensional inspection with optical sorting. Material certificates available. Certified per ISO 9001:2015, RoHS.

Get in touch with us

Enter Your Message

You Might Be Into These