KT303720C3 Needle Cage, 30 mm ID x 37 mm OD x 20 mm Width, C3 Tolerance for Roller Diameter, High Carbon Steel Single Assembly for Linear Slide Systems and Bearing Applications

Single KT303720C3 needle cage, 30 x 37 x 20 mm
✔️ High carbon steel, C3 tolerance, 17k rpm max, 24,700 N dynamic

This single KT303720C3 needle cage is a high carbon steel rolling element cage used in linear slide units, needle bearing assemblies, and compact machine tool applications where space and radial load support matter.

✅ Model: KT303720C3
✅ Inside diameter: 30 mm
✅ Outside diameter: 37 mm
✅ Width: 20 mm
✅ Material: High carbon steel
✅ Roller tolerance: C3 (roller diameter)
✅ Dynamic load capacity: 24,700 N
✅ Static load capacity: 35,400 N
✅ Max speed: 17,000 rpm
✅ Temperature range: -20 to 120 deg C
✅ Series: KT Series, pack of 1
✅ SKU: 1911781, typical ship time 42 days

💡 What is a needle roller cage used for in linear slide units? Needle roller cages keep rollers aligned and cut friction in tight radial spaces, making them handy for compact motion systems. - They hold rollers in place for smooth linear motion in linear slide units and linear bearings. - They provide high radial load support in machine tools and automation systems. - They pair well with sealed ball bearing housings or needle bearing assemblies to improve life and reliability.