Needle roller cage KT162125C3 single bearing, 16 mm ID, 21 mm OD, 25 mm width, high carbon steel, C3 tolerance for linear slide unit and precision shafts

Single KT162125C3 needle roller cage, 16x21x25 mm
✔️ High carbon steel cage, C3 tolerance, 16 mm ID, 21 mm OD, 25 mm width

This single needle roller cage (each) is a low-profile high carbon steel component for linear slide units, precision shafts, and compact gearboxes. It pairs well with sealed ball bearing housings or as a space-saving alternative to ceramic options.

✅ Model: KT162125C3, KT Series
✅ Material: High carbon steel cage
✅ Inner diameter (ID): 16 mm
✅ Outer diameter (OD): 21 mm
✅ Width (face): 25 mm
✅ Roller tolerance: C3 (extra clearance)
✅ Dynamic load capacity: 18300 N; Static load: 25100 N
✅ Max speed: 30000 rpm; Temperature: -20 to 120 deg C
✅ Pack size: single unit (each); Weight: 0.040 lb

💡 What is a needle roller cage used for in linear slide units and precision shafts? A needle roller cage keeps rollers evenly spaced, reduces friction, and supports tight radial loads in compact assemblies. Quick intro: - Provides compact radial support for shafts and linear slide unit assemblies while saving axial space. - Works alongside sealed ball bearing setups or replaces ceramic parts where a low-profile solution is handy. - Suits high-speed motor shafts, compact gearboxes, and other confined applications requiring precise roller guidance.