UC217-55 Insert Ball Bearing | 3-7/16" Bore, 150mm OD, 85.7mm Width for Heavy Industrial & Agricultural Machinery

⚙️ Dimensional & Technical Specifications

• Bearing Model: UC217-55

• Inner Diameter (Bore): 3-7/16 inches (approx. 87.31 mm)

• Outer Diameter (OD): 150 mm

• Total Width / Inner Ring Width: 85.7 mm (Wide inner ring design)

• Material Composition: Premium GCr15 High-Carbon Chrome Steel

• Locking Mechanism: Heavy-duty twin set screws (120-degree offset)

• Outer Ring Profile: Spherical Outer Surface

• Sealing System: Dual heavy-duty contact rubber seals

💡 Key Performance Highlights

• Maximum Shaft Stability: The extended wide inner ring equipped with dual heavy-duty set screws clamps tightly onto large-diameter shafts, completely preventing rotational slip under extreme torque.

• Exceptional Load Endurance: Crafted from high-grade chrome steel, this bearing is optimized to absorb severe radial loads and continuous shock in heavy machinery.

• Housing Accommodations: The spherical outer contour fits perfectly into standard 217-series pillow block or flange housings, effortlessly compensating for initial assembly misalignments.

• Protected and Pre-Greased: Packed with high-temperature industrial grease and tightly protected by dual lips to block out abrasive dirt, scale, and moisture.

🚜 Primary Applications

• Heavy Agriculture: Large combine harvesters, grain elevators, and industrial-scale tillage equipment.

• Bulk Material Handling: Heavy-duty belt conveyors, mining crushers, and sorting drum drives.

• Industrial Plant Machinery: Large industrial fan assemblies, cement manufacturing equipment, and heavy power transmission lines.