Machined caged needle roller bearing RNA4911UU, single sealed, 63 mm ID x 80 mm OD x 25 mm W, high carbon steel, oil hole, single-row machined cage, RNA49 metric series
✔️ Single unit 63 mm ID x 80 mm OD x 25 mm W, HCS, oil hole, seals
This single sealed needle roller bearing RNA4911UU is a machined, single-row caged unit used in gearboxes, transmissions and linear slide units where compact radial support and sealed lubrication are needed.
✅ 63 mm inside diameter (ID)✅ 80 mm outside diameter (OD)
✅ 25 mm width, single-row machined cage
✅ High carbon steel construction with seals
✅ Oil hole for relubrication, sealed enclosure
✅ Dynamic load capacity 52,200 N; static 85,700 N
✅ Maximum speed 3,000 rpm; RNA49 metric series
✅ Single bearing, sold as 1 piece (SKU: 863103)
💡 What is a needle roller bearing used for? Needle roller bearings provide high radial load support in compact housings and are handy for machines that need sealed lubrication and a slim profile. Here’s where they shine: - Gearboxes, transmissions and pumps that may use sealed ball bearing alternatives or compact roller solutions - Linear slide unit and indexing systems needing high load capacity in limited radial space and relubrication via an oil hole - Applications weighing ceramic bearing options for low friction or high-speed use, while high carbon steel stays common for heavy loads