TA4525Z Shell Needle Roller Bearing, Metric Caged Heavy-Duty, 45 mm ID x 55 mm OD x 25 mm Width, Chromium Molybdenum Steel, Open Single-Row, High Load Capacity
✔️ 45 mm ID × 55 mm OD × 25 mm W, single-row caged, Cr-Mo steel
This is a single shell needle roller bearing (sold as 1 each) for heavy-duty radial support in compact housings. Commonly used in gearboxes, transmissions, linear slide units, and shaft assemblies where space is limited.
✅ 45 mm inside diameter (ID), metric specification.✅ 55 mm outside diameter (OD), compact shell form.
✅ 25 mm width (W), single-row caged retainer.
✅ Chromium Molybdenum steel race and rollers for strength.
✅ Dynamic load capacity: 39,400 N for high radial loads.
✅ Static load capacity: 75,600 N for shock resistance.
✅ Max speed rating: 7,500 rpm (open enclosure, lubricate accordingly).
✅ Open type, caged retainer, TA-Z metric series, model TA4525Z.
✅ Caged heavy-duty shell standard, weight ~0.220 lb, sold each.
💡 What is a shell needle roller bearing used for in industrial linear slide and rotary applications? High-load radial support in tight spaces is the short answer. - Ideal for applications that need high radial capacity with minimal cross-section, like linear slide units and compact gear drives. - Often found in transmissions, pump shafts, compressor assemblies, and small gearbox housings where shaft support and low profile matter. - Choose caged or sealed alternatives depending on lubrication needs; compare with sealed ball bearing or ceramic options if corrosion resistance or low friction is required.