Single KT121812C3 needle roller cage, 12 mm ID x 18 mm OD x 12 mm width, high carbon steel, C3 roller tolerance; compact for linear slide unit, gearbox, conveyor, sealed ball bearings

Single KT121812C3 needle roller cage, 12 mm ID
✔️ 12 mm ID x 18 mm OD x 12 mm width; High Carbon Steel; C3 tolerance

This is a single needle roller cage (KT121812C3) that guides rollers inside compact needle bearings. Typically used in linear slide units, gearboxes, conveyor systems and other industrial motion assemblies.

✅ ID: 12 mm (inner diameter)
✅ OD: 18 mm (outer diameter)
✅ Width: 12 mm (cage thickness)
✅ Material: High Carbon Steel
✅ Roller tolerance: C3 (increased radial clearance)
✅ Dynamic load capacity: 9030 N
✅ Static load capacity: 8460 N
✅ Max speed: 40000 rpm
✅ Temperature rating: -20 to 120 deg C
✅ Series/model: KT121812C3, KT Series; sold each (single unit)
✅ Weight: 0.020 lb; SKU 1911652

💡 What are the benefits of using needle roller cages in linear slide units and compact motion systems? Needle roller cages keep rollers aligned, reduce friction, and save space in tight assemblies. - Improves load distribution in linear slide unit applications and reduces wear on sealed ball bearing assemblies. - Supports higher rpm and compact packaging for gearbox and conveyor motion needs. - Pairs well with ceramic elements to lower friction and boost temperature stability for industrial motion.