NA6906 Machined Needle Roller Bearing, Single Caged Inner Ring, 30 mm ID x 47 mm OD x 30 mm Width, High Carbon Steel with Oil Holes, Open Type for Industrial Linear Slide Units and Motors

Machined NA6906 needle roller bearing, single, 30x47x30 mm
✔️ Caged inner ring, high carbon steel, oil holes, open type, 11,000 rpm

This single NA6906 machined needle roller bearing is an open, caged inner-ring unit in high carbon steel with oil holes for easier lubrication. It’s used in industrial linear slide units, compact motors, gearboxes, and precision machinery where high radial capacity in a small envelope is required.

✅ 30 mm bore × 47 mm outer diameter × 30 mm width (NA6906)
✅ High carbon steel machined cage and inner ring, open design
✅ Dynamic load capacity 43,000 N, static capacity 69,000 N
✅ Rated up to 11,000 rpm, oil holes for lubrication access
✅ Caged machined type for stable needle retention and smooth operation

💡 What is a needle roller bearing used for in linear slide units and small motors? Needle roller bearings are handy when you need high radial load support in tight spaces. - Provide high radial load capacity in a compact package for linear slide units and small motor shafts - Offer low friction, precise rotary support for gearboxes, cam followers, and transmission components - Machined caged inner-ring units with oil holes simplify lubrication vs sealed ball bearing options - Consider ceramic or sealed ball bearing alternatives when speed, contamination, or temperature demands differ