Welcome to Linqing Xinshengdi Bearing Co., Ltd.
Technical Data
| Technical Parameter | Metric Value |
| Inner Bore Diameter (d) | 45.00 mm |
| Outer Diameter (D) | 75.00 mm |
| Width (B) | 32.00 mm |
| Structure | High-Load Double Row Ball |
Product Specifications
| Specification | Details |
| Item Type | Heavy Auto A/C Compressor Clutch Bearing |
| Model Number | 45BD7532DUK |
| Material | Top-Tier GCr15 Chrome Steel |
| Dimensions (Metric) | 45.00 mm x 75.00 mm x 32.00 mm |
| Seal Design | DUK Heavy Dual-Lip Rubber Seals |
Product Introduction
The 45BD7532DUK (45BD7532 / 45BD7532DUK) is a heavy-duty, extra-wide double-row angular contact ball bearing engineered for large-capacity automotive and commercial vehicle A/C compressor clutch pulleys. Featuring a 45 mm bore, 75 mm outer diameter, and a substantial 32 mm width, this bearing is designed to handle high engine belt tension and extreme radial loads in heavy SUVs, buses, and commercial transport trucks. Built with high-grade GCr15 chrome steel and equipped with specialized DUK-style rubber lip seals, the 45BD7532DUK ensures outstanding durability under high heat and vibration.
Applications
Large passenger SUV, light commercial truck, and bus A/C compressor clutches.
Heavy-duty transport vehicle climate control drive units.
Automotive A/C repair shop and fleet maintenance overhaul kits.
FAQ
Q: What makes 45BD7532DUK different from standard 35mm A/C bearings?
A: The larger 45mm bore and 32mm width allow it to handle much higher belt torque and radial loads present in larger commercial vehicle A/C compressors.
Q: Can you customize the laser etching on the outer ring for B2B orders?
A: Yes, we offer full laser marking customization, including your specific part numbers, brand logo, and batch tracking codes.
OEM & Custom Service
Custom B2B branding, private-label box creation, laser etching on bearing rings, high-temp grease selection, and export shipping support.
Packing & Delivery
Pre-greased, sealed in polybags, packed in custom or neutral individual cartons, and stacked onto fumigated export wooden pallets.