KT303715C3 Needle Roller Cage 30×37×15 mm ID OD Width High Carbon Steel C3 Tolerance Precision for Linear Slide Unit Sealed Ball Bearing Applications Single Piece

Single KT303715C3 needle roller cage, 30×37×15 mm
✔️ 30×37×15 mm ID/OD/Width, high carbon steel, C3 tolerance

This single needle roller cage is a precision cage used in linear slide units, compact transmissions and sealed ball bearing setups where tight fit and reliable alignment matter.

✅ Model KT303715C3, KT Series
✅ Dimensions 30×37×15 mm (ID×OD×W)
✅ Material high carbon steel, cage type needle
✅ Roller tolerance C3, dynamic 19500 N, static 26000 N
✅ Max speed 17000 rpm, temp range -20 to 120 °C
✅ Single piece pack, weight 0.060 lb each

💡 What is a needle roller cage used for in linear slide units and sealed ball bearing applications? A needle roller cage spaces and stabilizes rollers to boost load capacity and reduce friction in tight bearing layouts. It helps bearings run cooler and extend service life. - Improves radial load handling for linear slide unit and sealed ball bearing systems. - Maintains roller alignment at high RPM and in compact transmissions. - Works well alongside ceramic and hybrid bearings for lower friction and longer life.