Machined Needle Roller Bearing With High Load Capacity For Limited Radial Space 220 Mm Bore 250 Mm Outer Diameter 50 Mm Width Normal INA RNA4840 For Precision Applications

RNA4840 Needle Roller Bearing by INA, single unit, 220mm ID
✔️ ID 220 mm, OD 250 mm, width 50 mm, normal tolerance

Machined Needle Roller Bearings are compact bearings with long cylindrical rollers, delivering high radial load capacity in limited space. They’re a good fit for robotics, automation, CNC machines, and linear slide units where reliability matters.

✅ High load capacity in a compact footprint
✅ Excellent radial stiffness for moving assemblies
✅ Long service life with tight tolerance
✅ Common in automation and linear motion systems

💡 What is a needle roller bearing used for in precision machinery and linear slide units?

Handy answer: they support rotary movement under heavy radial loads in tight spaces.

• High load capacity in a compact footprint
• Excellent radial stiffness for moving assemblies
• Long service life with tight tolerance
• Common in linear slide units, robotics, and automation