Needle Roller Cage KT8128C3 Single, 8 mm ID x 12 mm OD x 8 mm Width, High Carbon Steel, C3 Roller Tolerance, KT Series shaft bearing for linear slide units and motors

Single needle roller cage KT8128C3, 8 mm ID, 12 mm OD
✔️ 8 mm width; high carbon steel; C3 roller tolerance; max 60,000 rpm

Single unit needle roller cage for compact shaft support and linear motion applications, ideal for slide units, motors, and tight assemblies.

✅ Model: KT8128C3
✅ Series: KT Series
✅ Inner diameter (ID): 8 mm
✅ Outer diameter (OD): 12 mm
✅ Width: 8 mm
✅ Material: High carbon steel
✅ Roller tolerance: C3
✅ Dynamic load capacity: 3630 N
✅ Static load capacity: 3040 N
✅ Maximum speed: 60,000 rpm
✅ Temperature range: -20 to 120 °C
✅ Fits linear slide unit, motor shafts, compact bearing setups
✅ Single bearing (each), SKU 1911881, approx 1 lb

💡 What is a needle roller cage used for in linear slide units and compact bearing setups? They provide compact radial support for shafts, delivering high load capacity with a low profile. Quick take: - Provides high radial load capacity with a small cross-section, ideal for linear slide unit and compact bearings - Supports shafts and motor assemblies in tight mechanical systems and pairs well with sealed ball bearing housings - C3 roller tolerance helps handle thermal expansion and slight misalignment in running systems - Often used alongside ceramic elements or sealed ball bearing components in hybrid setups for smoother motion