Single Needle Roller Cage KT425030C3, 42 mm ID x 50 mm OD x 30 mm W, High Carbon Steel C3 Roller Tolerance, Heavy duty cage for linear slide unit and rotary applications

Single 42 mm ID x 50 mm OD x 30 mm Needle Cage
✔️ High carbon steel, C3 tolerance, KT Series, 42x50x30 mm

This single needle roller cage is a precision KT Series component for linear slide units and rotary shafts, ideal where compact, high-load guidance and low friction are needed.

✅ Model KT425030C3, KT Series needle roller cage
✅ Inner diameter 42 mm, outer diameter 50 mm, width 30 mm
✅ High carbon steel with C3 roller diameter tolerance
✅ Dynamic load capacity 48,200 N; static load capacity 84,400 N
✅ Maximum speed 12,000 rpm; temperature -20 to 120 °C
✅ Single bearing pack; weight 0.180 lb; SKU 1911826
✅ Fits linear slide unit setups; compatible with sealed ball bearing housings and ceramic bearing options

💡 What is a needle roller cage used for in linear slide unit assemblies and rotary shafts? A needle roller cage keeps slim rollers aligned to spread load and reduce friction, making it a handy part for compact motion systems. Quick take: - Boosts radial load capacity and stiffness in tight assemblies for linear slide unit applications - Works alongside sealed ball bearing layouts and can complement ceramic bearings for higher speed or lower friction needs - Maintains roller spacing to lower wear and simplify maintenance