Needle Roller Cage KT303818C3 Single Unit, 30 mm ID x 38 mm OD x 18 mm W, High Carbon Steel, C3 Roller Tolerance, KT Series for linear slide units, sealed ball bearing applications, 17000 rpm
✔️ High carbon steel, C3 tolerance, 30 mm ID, 38 mm OD, 18 mm, 17000 rpm
This single-unit needle roller cage is a compact bearing component used in linear slide units, sealed ball bearing assemblies, and industrial motion systems where space, speed, and load capacity matter.
✅ Model: KT303818C3✅ Inside diameter: 30 mm (ID 30 mm)
✅ Outside diameter: 38 mm (OD 38 mm)
✅ Width: 18 mm (W 18 mm)
✅ Material: High Carbon Steel
✅ Roller tolerance: C3 diameter tolerance
✅ Max speed: 17000 rpm
✅ Dynamic load capacity: 26200 N
✅ Static load capacity: 34800 N
✅ Temperature range: -20 to 120 deg C
✅ Series: KT Series, single unit sold individually
💡 What is a needle roller cage used for in linear slide units and sealed bearing assemblies? A needle roller cage aligns thin rollers to carry high radial loads in tight housings while keeping low friction and accurate rotation. Quick take: here’s why it’s handy for linear slide and sealed bearing setups: - Provides high radial load capacity in confined housings for linear slide units and linear motion systems. - Improves running accuracy and reduces friction in sealed ball bearing assemblies and related motion components. - Works with precision tolerance classes like C3 and can be specified alongside ceramic bearing elements for specialty uses. - Suited for industrial automation and high-speed applications within rated rpm and temperature limits.