Needle Roller Cage KT91213C3 9 mm ID x 12 mm OD x 13 mm Width Single Piece, High Carbon Steel C3 Diameter Tolerance KT Series for Bearing Assemblies and Linear Slide Units

Needle roller cage KT91213C3 single-piece 9 x 12 x 13 mm
✔️ 9 mm ID, 12 mm OD, 13 mm width; C3 tolerance; high carbon steel

This single needle roller cage (KT91213C3) spaces and guides needle rollers inside compact bearing assemblies, typically used in linear slide units, transmissions, gearboxes, and small motors where slim, high-load bearing packs are needed.

✅ Model: KT91213C3 (KT Series)
✅ Material: High carbon steel
✅ Dimensions: 9 mm ID x 12 mm OD x 13 mm width
✅ Roller tolerance: C3 for precise diameter fit
✅ Load ratings: Dynamic 4840 N, Static 5370 N
✅ Max speed: 55,000 rpm; Temp range: -20 to 120 °C
✅ Pack: single piece; weight approx 0.010 lb each

💡 What is a needle roller cage used for? Needle roller cages are handy parts that space and guide needle rollers so compact bearings carry radial loads reliably in tight spots. Quick intro to common uses: - Helps needle bearing assemblies and linear slide unit setups get higher load capacity in limited space. - Works alongside sealed ball bearing layouts or as a slim bearing pack in transmissions and gearboxes. - Often chosen when C3 tolerance, high carbon steel durability, and dependable performance across varied temps are required.