Single NA4901UU Needle Roller Bearing 12x24x13 mm with seals, Machined Inner Ring featuring Oil Hole, High Carbon Steel Caged Type, 12000 rpm, Fits Linear Slide Units

Single NA4901UU sealed needle bearing 12x24x13 mm
✔️ ID 12 mm × OD 24 mm × Width 13 mm, oil hole, inner ring

This single NA4901UU needle roller bearing is a machined, caged unit with seals and an inner ring made from high carbon steel. It's built for linear slide units, compact gearboxes, and tight-shaft applications where space and radial strength matter.

✅ Model: NA4901UU - machined caged needle roller bearing
✅ Material: high carbon steel with synthetic rubber seals
✅ Dimensions: ID 12 mm, OD 24 mm, Width 13 mm
✅ Load ratings: dynamic 8470 N, static 9320 N
✅ Max speed: 12000 rpm; built-in oil hole for lubrication
✅ Includes inner ring; single bearing pack; approx weight 1.0 lb

💡 What is a needle roller bearing used for in linear slide units and compact shaft assemblies? Needle roller bearings give high radial load support in minimal space and keep assemblies compact. - Supports high radial loads in compact linear slide unit and linear motion systems - Thin cross-section fits tight shaft assemblies and compact gearboxes for space-saving design - Sealed options with oil hole and inner ring reduce maintenance and keep lubrication localized - Caged machined types deliver consistent performance up to 12000 rpm for high-speed setups