6308-ZZ Metal Shielded Deep Groove Ball Bearing 40×90×23mm for Electric Motors and Industrial Machinery

• The 6308-ZZ is a single-row deep groove ball bearing with dimensions of 40 × 90 × 23 mm. It features non-contact metal shields on both sides to help keep dust and solid particles away from the rolling elements. The shielded design offers low rotational resistance and helps retain internal grease, making it suitable for industrial machinery requiring smooth and consistent rotation.

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• Double Metal Shields: Help prevent dust and solid debris from entering.
• Low Rotational Resistance: Non-contact shields support smooth rotation.
• Grease Retention: Help reduce lubricant loss during operation.
• Strong Load Capacity: Suitable for radial and moderate axial loads.
• Standard Dimensions: Convenient for equipment maintenance and replacement.

• Industrial electric motors
• Water pumps
• Agricultural machinery
• Conveyor systems
• Industrial fans
• Compressors
• General mechanical equipment

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• 30+ years professional bearing industry experience
• ISO certified strict quality inspection
• Flexible OEM & private label customization
• 0-3 days fast delivery for stocked bearings
• Full bearing series, universal interchangeable size
• Factory direct price & reliable after-sales service

*Need custom bearings? Share your drawings, specifications or requirements — we’ll find the right solution for you.