Machined needle roller bearing RNA6912UU single 68×85×45 mm caged high carbon steel oil-hole sealed for industrial linear slide unit replacement metric RNA69

Single machined RNA6912UU needle roller bearing 68×85×45 mm
✔️ Caged high carbon steel, oil hole, seals; 68×85×45 mm, 93.4 kN

This is a single machined needle roller bearing (RNA6912UU) used in compact linear slide units and tight radial-load assemblies. Great for industrial automation, transmissions, and machine tools.

✅ Model: RNA6912UU (RNA69 metric series)
✅ Inner diameter (ID): 68 mm
✅ Outer diameter (OD): 85 mm
✅ Width : 45 mm
✅Material: 高炭素鋼、ケージ付き機械加工タイプ
✅ Dynamic load capacity: 93,400 N; Static capacity: 186,000 N
✅ Max speed: 3000 rpm; oil hole for relubrication; synthetic rubber seals

💡 What is a needle roller bearing used for in compact linear slide units and tight radial-load applications? A needle roller bearing is a handy low-profile solution for carrying heavy radial loads where space is limited. - Ideal for linear slide unit setups and compact actuator systems where sealed ball bearing alternatives don’t fit - Keeps components aligned under high radial stress while allowing slimmer shaft envelopes - Sealed, caged machined designs with oil-hole let you top up lubrication and extend service life; consider ceramic options for extreme temp or low-friction needs