Single needle roller cage bearing, 17 mm ID x 21 mm OD x 10 mm W, high carbon steel with C3 diameter tolerance, KT172110C3 for linear slide units and sealed bearing replacements

Single needle roller cage bearing, 17 x 21 x 10 mm
✔️ High carbon steel, C3 diameter tolerance, KT172110C3 single unit

This single needle roller cage bearing supports precision shafts and linear slide units in tight, low-profile assemblies. Commonly used in automation, robotics, and industrial equipment where sealed ball bearing swaps or compact roller solutions are needed.

✅ KT172110C3 part number
✅ Inside diameter: 17 mm
✅ Outside diameter: 21 mm
✅ Width: 10 mm
✅ Material: high carbon steel
✅ Roller diameter tolerance: C3
✅ Pack: single bearing unit

💡 What is a needle roller cage bearing used for in linear slide units and precision shafts? They are handy for adding high radial support in tight spaces and keeping rollers aligned for smooth motion. - Supports high radial loads on precision shafts, ideal for linear slide units and conveyor guides - Handy low-profile swap for sealed ball bearing setups and compact bearing housings - C3 tolerance maintains consistent roller contact for reduced play in precision assemblies