Machined Needle Roller Bearing For High Load Capacity In Tight Radial Space With Thin Long Cylindrical Rollers Precision Tolerances 68 Mm ID 85 Mm OD 25 Mm Width Normal INA Bearing

RNA4912 Machined Needle Roller Bearing - single load
✔️ 68 mm ID, 85 mm OD, 25 mm width, normal precision class

INA's RNA4912 Machined Needle Roller Bearing delivers high radial load capacity in tight spaces, ideal for robotics, automotive subassemblies, and other compact machinery where space is at a premium. Sold as a single unit with durable steel cage for long life.

✅ 68 mm bore (ID), 85 mm outer diameter (OD), 25 mm width
✅ High radial load capacity in a compact cross-section
✅ Precision tolerance class for demanding industrial applications
✅ Robust steel cage construction for durability and stable operation
✅ Suitable for space-limited machinery and automation equipment

💡 What is a needle roller bearing used for in compact machinery and how does RNA4912 handle heavy loads?

Needle bearings are handy in tight spaces where you still need strong radial support.

- Handy for robotics, automation, and compact gear drives - Long, thin rollers maximize load handling in narrow areas - Steel cage keeps spacing tight and wear low - Available individually or in small packs for stocking