Needle roller cage KT121710C3 single bearing, 12 mm ID x 17 mm OD x 10 mm W, high carbon steel construction with C3 roller diameter tolerance for precision linear slide units and shafts

Single needle roller cage KT121710C3, 12x17x10 mm
✔️ High carbon steel, C3 tolerance, 6170 N dynamic load capacity

This single needle roller cage (model KT121710C3) is a compact high-carbon-steel bearing cage used to retain needle rollers in linear slide units, shaft assemblies, and precision machinery. Suited for tight radial spaces and moderate temperature ranges.

✅ Model: KT121710C3 (single bearing)
✅ Inside diameter: 12 mm
✅ Outside diameter: 17 mm
✅ Width: 10 mm
✅ Material: High carbon steel (carbon steeldynamic strength)
✅ Roller diameter tolerance: C3 for extra internal clearance
✅ Dynamic load capacity: 6170 N; Static load capacity: 5740 N
✅ Maximum speed: 40,000 rpm; Temperature range: -20 to 120 °C
✅ Series: KT Series; Weight: 0.010 lb; SKU: 1911651

💡 What is a needle roller cage used for in linear slide units and shaft assemblies? Needle roller cages guide and secure slender rollers to deliver high radial load capacity in compact spaces, commonly found in linear slide units, small gearboxes, and shaft-mounted mechanisms. Quick overview: - High radial load support in limited radial space for linear slide units and indexing systems - Works alongside sealed ball bearing setups or hybrid bearing solutions; not a sealed ball bearing itself - C3 tolerance gives added clearance for thermal expansion and high-speed applications - Ideal for conveyors, robotics, small automotive linkages, and compact precision machinery