310-7017 Torrington Needle Roller Bearing 43x52x26mm Heavy Duty Truck King Pin Bearing for Automotive Steering System

310-7017 is a heavy-duty needle roller bearing originally associated with the Torrington bearing designation. It features a compact cylindrical design with precision needle rollers and a high-strength bearing steel construction. Its design provides excellent radial load-carrying capacity while maintaining a relatively small cross-section.

• High Radial Load Capacity: Multiple needle rollers distribute heavy radial loads efficiently.

• Compact Structure: Small cross-sectional dimensions allow installation in limited spaces.

• Excellent Wear Resistance: High-quality bearing steel provides durability under demanding operating conditions.

• Smooth Operation: Precision needle rollers help reduce friction and maintain stable movement.

• Heavy-Duty Performance: Suitable for commercial vehicle steering and chassis applications.

• Reliable Service Life: Designed to withstand repeated mechanical loads and vibration.

This bearing is widely used in:

• CNC machine tool spindle
• Grinding machine spindle
• High‑speed precision rotating equipment
• Precision machining center

• 25+ years experience in industrial bearing manufacturing
• Exported to 50+ countries worldwide
• Rich experience in OEM & custom projects
• Strict quality inspection before shipment
• Fast response within 24 hours
• Stable supply for long‑term cooperation

• Raw material inspection
• Precision machining process
• Heat treatment control
• Clearance & rotation testing
• Final inspection before delivery

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