Description
Product Overview
The KOVNOVI AC30550023 bearing is a high‑precision ball bearing designed specifically for automotive air‑conditioning compressors. Measuring 30 mm outside diameter, 55 mm inner diameter, and 23 mm thickness, it fits the exact specifications of most OEM replacement parts. Crafted from hardened steel, the bearing delivers exceptional load‑carrying capacity while maintaining a minimal weight of just 1 gram (0.035 oz). Its design accommodates standard grease lubricants, ensuring smooth operation and reduced wear over time.
Usage
This bearing is ideal for replacing worn or damaged compressor bearings in passenger cars, light trucks, and SUVs. It performs reliably in the high‑temperature, high‑vibration environment of vehicle AC systems, making it suitable for both professional mechanics and DIY enthusiasts. 
Why Choose Us
KOVNOVI combines rigorous manufacturing standards with thorough quality testing to guarantee each bearing meets exact tolerances. The product is sourced from DINGGUANGHE‑US, ensuring consistent material quality and compliance with automotive industry norms. Our bearings are backed by a 5‑star customer rating, reflecting satisfaction with durability and fit.
Key Features
- Exact 30x55x23 mm dimensions for seamless OEM fit
- Hardened steel construction for high load capacity
- Lightweight design reduces rotating mass
- Grease‑compatible for easy maintenance
- 5‑star customer reviews confirming reliability
FAQ
What vehicles are compatible with this bearing?
The bearing fits most models that use the AC30550023 specification, commonly found in mid‑range sedans and compact SUVs. Check your vehicle’s service manual for exact part numbers.
Can I install this bearing myself?
Yes, with basic hand tools and a bearing puller, a DIYer can replace the compressor bearing. Ensure the compressor is fully drained and follow torque specifications.
What type of lubricant should I use?
Use a high‑temperature automotive grease compatible with steel ball bearings. Avoid oil‑based lubricants as they can degrade the bearing seals.
Is there a warranty?
KOVNOVI offers a 12‑month limited warranty covering manufacturing defects. Register your purchase on our website for claim processing.
How does this bearing improve AC performance?
By reducing internal friction and maintaining precise alignment, the bearing helps the compressor run more efficiently, leading to quicker cabin cooling and lower energy consumption.





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