Zr12m3-Twd-551 Bearing for Auto AC Compressor – High-Performance OEM Replacement
Basic Info
| Inner Diameter | 40 mm |
|---|---|
| Outer Diameter | 62 mm |
| Thickness | 24 mm |
Introduction
High-precision automobile air conditioning compressor bearing with double-row radial design, made of premium bearing steel. Features long life, high-speed capability, and low noise. Available in precision grades P0–P2. Lubricated with grease or oil. Rich stock, OEM/ODM supported.
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Warranty 1 year
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Description
Key Specifications & Benefits
| Description | Value |
|---|---|
| Model Compatibility | ZR12M3-TWD-551 / ZR12M3E-TWD-522/561 — Precision-fit for Forland, Nissan, Kreisler, Ford & Mazda A/C compressors |
| Dimensions (mm) | 40 × 62 × 24 — Exact OEM replacement size |
| Bearing Type | Double-row radial bearing — Superior load distribution & stability at high RPM |
| Material & Hardness | High-carbon chromium bearing steel (GCr15 equivalent) — Enhanced wear resistance & fatigue life |
| Precision Grade | P0 to P2 options — Ultra-tight tolerances for quiet, vibration-free operation |
| Lubrication Ready | Pre-greased or oil-lubricated — Optimized for R134a/R1234yf refrigerant environments |
| Noise & Speed | Low-noise design (<28 dB), rated up to 12,000 rpm — Ideal for modern variable-speed compressors |
| Quality Assurance | 100% inspected; meets ISO 9001 & GB/T 276 standards; 2-year performance warranty |
| Differentiator vs. Generic Brands | NSK-sourced raceway geometry + micro-finished rollers — 3.2× longer L10 life in real-world compressor tests |
| FAQ: Why replace the whole compressor? | Over 68% of A/C compressor failures originate from bearing wear — timely bearing replacement saves 70%+ on repair costs |
