6308‑2Z Double Metal Shielded Deep Groove Ball Bearing 40×90×23mm High Speed Heavy Motor Fan Bearing

The 6308‑2Z single row deep groove ball bearing is equipped with double-sided thin stamped metal dust shields. It features ultra-low rotational resistance to support stable long-time high-speed operation and can block large dust particles effectively, suitable for clean dry indoor working environments without water splashing. Widely applied to heavy-duty high-speed motors, cooling fans, light transmission equipment and general industrial rotating machinery used in clean workshops.

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• Double-sided 2Z metal dust shields block coarse dust and impurities with minimal rotation drag, ideal for continuous high-speed running
• Low heat generation during long rotation, stable low-vibration and low-noise operation performance
• Strong radial load bearing capacity, capable of bearing slight bidirectional axial loads under medium-heavy working conditions
• High-hardness GCr15 chrome steel inner ring, outer ring and steel balls provide excellent wear resistance and long service life
• Customizable internal clearance grades, precision classes and OEM personalized processing services available

Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• Heavy-duty high-speed industrial motors and cooling ventilation fans
• Light-duty conveyor and automation transmission components
• Devices running in clean dry indoor workshop environments
• General medium & heavy load light industrial rotating machinery

Ideal for customers looking for cost-effective large-size metal shielded bearing solutions

• Over 25 years professional industrial bearing manufacturing experience
• Products exported to more than 50 countries worldwide
• Rich mature experience in OEM and customized bearing orders
• Complete multi-process strict quality inspection before finished goods delivery
• Fast professional technical reply and formal quotation within 24 hours
• Stable mass production and sufficient stock for long-term bulk cooperative clients

We focus on quality, reliability, and long‑term partnership

• Raw material composition and hardness inspection
• Precision CNC turning, grinding and superfinishing processing
• Uniform constant high-temperature heat treatment control
• Clearance, noise, rotational flexibility and load performance testing
• Full dimensional tolerance and appearance visual inspection before packaging

Ensuring consistent stable performance for every bearing batch

Looking for a reliable supplier of large-size metal shielded deep groove bearings?

• Send your inquiry to get:
• Fast factory quotation within 24 hours
• Professional engineer technical matching guidance
• Customized bearing parameter matching schemes
• Competitive factory direct bulk price

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