Needle Roller Cage KT172117C3 Single Unit 17 mm ID x 21 mm OD x 17 mm Width, High Carbon Steel C3 tolerance KT Series for High-Speed Applications up to 30,000 rpm

Single needle roller cage KT172117C3, 17×21×17 mm
✔️ High carbon steel, C3 tolerance, 17 mm ID, 21 mm OD, 17 mm width

This single needle roller cage (KT172117C3) guides rollers in compact bearing assemblies and is commonly used in linear slide units, transmissions, gearboxes and machine tool slides.

✅ Model: KT172117C3, single unit, KT Series
✅ Dimensions: ID 17 mm, OD 21 mm, Width 17 mm
✅ Material: High carbon steel, C3 tolerance for roller diameter
✅ Load & speed: Dynamic 11,800 N, Static 16,900 N, Max 30,000 rpm
✅ Temperature: -20 to 120 °C, weight 0.020 lb, SKU 1911689

💡 What is a needle roller cage used for in linear slide units and gearbox applications? It spaces and stabilizes needle rollers so bearings run smoother and last longer. - Maintains roller alignment and even load distribution in confined bearing assemblies - Fits linear slide unit setups, small gearboxes, transmissions and machine tool slides - Works well alongside sealed ball bearing or ceramic elements for compact, high-load support