Needle Roller Cage KT121513C3, 12 mm ID x 15 mm OD x 13 mm W, High Carbon Steel with C3 roller tolerance, KT Series precision unit for linear slide units and rotary assemblies, single piece, max 40000 rpm, 5730 N dynamic

Needle roller cage, single unit, 12 x 15 x 13 mm
✔️ 12 mm ID x 15 mm OD x 13 mm W; High Carbon Steel; C3 tolerance

Compact needle roller cage designed for tight radial spaces and high-speed shafts, commonly used in linear slide units, gearboxes, and rotary assemblies as a single bearing unit.

✅ Model: KT121513C3, KT Series, single piece pack
✅ Material: High Carbon Steel; C3 tolerance for roller diameter
✅ Dimensions: 12 mm ID × 15 mm OD × 13 mm width
✅ Loads & speed: Dynamic 5730 N, Static 7250 N, max 40000 rpm
✅ Temp range -20 to 120 °C; lightweight 0.010 lb; good alternative to sealed ball bearing and pairs with ceramic elements

💡 What is a needle roller cage used for? Needle roller cages support compact, high-load shafts and guide rotational motion in confined radial spaces. Short intro: Handy choice when you need a low-profile bearing solution for tight assemblies and precision slides. - Ideal for linear slide units, compact gearboxes, and rotary assemblies where a sealed ball bearing won’t fit - Provides higher radial load capacity and a lower profile than standard ball bearings, handy for high-speed shafts - Often paired with ceramic rolling elements or used as an alternative to sealed ball bearing setups to reduce friction and extend service life