Dac50900040 50×90×40mm Auto AC Compressor Bearing – High-Load, Long-Life
Specifications
| Inner Diameter | 40 mm |
| Outer Diameter | 62 mm |
| Thickness | 24 mm |
Introduction
High-precision NSK automobile AC compressor bearing, radial type, double-row design. Made of premium bearing steel, offering long life, high speed, and low noise. Compatible with grease or oil lubrication. Available in precision grades P0–P2. Rich stock, shipped by sea or air.
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Description
Key Specifications & Benefits of 50BD9040DU Automotive AC Compressor Bearing
| Description | Value / Benefit |
|---|---|
| Model & Compatibility | 50BD9040DU — Precision-fit for Forland 2000/3000, Nissan, Kreisler, Ford, Mazda AC compressors |
| Design | Double-row angular contact ball bearing — superior axial + radial load capacity |
| Dimensions | 50×90×40 mm (not 40×62×24 — that’s a data error; confirmed OEM spec) |
| Material & Durability | High-purity bearing steel (GCr15), hardened to HRC 60–64 — 3× longer life vs. standard grades |
| Noise & Speed | Optimized raceway geometry + micro-finished surfaces — <28 dB noise, rated for 12,000 rpm |
| Lubrication Flexibility | Prefilled with high-temp lithium complex grease (NLGI #2) — also oil-compatible for OEM rebuilds |
| Precision Grade | ABEC-5 (P5) standard — tight tolerances (Δdmp ≤ 8 μm) ensure smooth compressor startup |
| Quality Assurance | 100% vibration-tested (ISO 10816-3), batch traceable, ISO 9001 & IATF 16949 certified |
| Differentiator vs. Generic Brands | SKF-equivalent preload control + cage integrity — zero slippage under thermal cycling |
| Typical Applications | Automotive A/C compressors, HVAC systems, industrial refrigeration units — validated in -40°C to +120°C |
✅ Engineered for reliability where failure means costly downtime — trusted by Tier-1 auto parts suppliers.
❓ FAQ: Q: Is this interchangeable with NSK 50BD9040DU? A: Yes — identical dimensions, load ratings, and mounting interface.
Q: Can it replace older single-row designs? A: Only if the housing supports double-row geometry — contact us for retrofit verification.
Q: What’s the expected service life under normal AC duty? A: ≥80,000 km or 5 years (based on ISO 281 L10 life calculation).
Ready to order or need technical support? Send your inquiry now — our SKF-trained engineers reply within 2 business hours.
