Needle roller cage KT303723C3 single unit, 30 mm ID x 37 mm OD x 23 mm W, high carbon steel, C3 roller diameter tolerance, for linear slide units and sealed bearing assemblies, industrial

Needle roller cage 30 mm ID x 37 mm OD, 23 mm W single
✔️ High carbon steel, C3 roller tolerance, KT303723C3, 17000 rpm max

This single needle roller cage is a compact steel retainer that keeps needle rollers aligned and running true. It's handy for linear slide units, sealed ball bearing assemblies, transmissions, and other tight industrial spots where radial support is needed.

✅ Model: KT303723C3, KT Series
✅ Inside diameter (ID): 30 mm
✅ Outside diameter (OD): 37 mm
✅ Width: 23 mm
✅ Material:
✅ Roller diameter tolerance: C3
✅ Dynamic load capacity: 28500 N, Static: 42500 N
✅ Maximum speed: 17000 rpm, Temperature: -20 to 120 deg C
✅ Pack: single unit, sold each, weight 0.090 lb

💡 What is a needle roller cage used for in linear slide units and sealed bearing assemblies? A quick answer: it keeps needle rollers organized and sharing load in tight radial spaces. - Holds needle rollers in position for consistent radial load transfer in compact housings - Helps reduce friction and wear in linear slide units and sealed bearing setups - Useful in industrial machinery, transmissions, and other applications needing low-profile rolling elements