KT172113C3 Needle Roller Cage, 17 mm ID x 21 mm OD x 13 mm Width, High Carbon Steel, C3 Roller Diameter Tolerance, Single Piece Bearing for High-Speed Linear Slide and Sealed Ball Applications

Single KT172113C3 needle roller cage, 17×21×13 mm
✔️ Single unit; High Carbon Steel; 17 mm ID x 21 mm OD x 13 mm W

This single-piece needle roller cage (KT172113C3) guides needle rollers in tight radial spaces, commonly used in automotive components, transmissions, linear slide units and sealed ball bearing replacements.

✅ Model: KT172113C3; KT Series; single piece
✅ Material: High Carbon Steel; cage construction
✅ Dimensions: 17 mm ID x 21 mm OD x 13 mm width
✅ Roller tolerance: C3 (roller diameter clearance)
✅ Dynamic load capacity: 8980 N; Static: 11800 N
✅ Max speed: 30000 rpm; Temp range: -20 to 120 °C
✅ Weight: 0.020 lb; SKU: 1911687

💡 What is a needle roller cage used for in linear slide units and sealed ball bearing replacements? Needle roller cages provide compact radial support and precise roller guidance in tight assemblies. - Ideal for tight-profile linear slide unit guides and high-speed shaft applications. - Works well when upgrading or replacing sealed ball bearing setups to save space. - Pairs with ceramic rollers or hybrid bearings when matching C3 tolerance and high rpm needs.