Single NA6904 machined needle roller bearing, 20 mm ID x 37 mm OD x 30 mm width, high carbon steel inner ring with oil hole, NA69 metric series; ideal for linear slide units
✔️ ID 20 mm, OD 37 mm, Width 30 mm; high carbon steel; oil hole
This is a single machined-type needle roller bearing (NA6904) for compact, high-load shaft support. Commonly used in linear slide units, transmissions, and compact machine shafts where space is tight.
✅ Type: Caged machined needle roller bearing✅ Series: NA69 Metric Series (NA6904 model)
✅ Dimensions: I.D. 20 mm; O.D. 37 mm; Width 30 mm
✅ Material: High carbon steel with inner ring and oil hole
✅ Load Ratings: Dynamic 35400 N; Static 48900 N
✅ Max Speed: 16000 rpm; Open enclosure; single bearing pack
✅ SKU/Weight: SKU 862617; approx 1.000 lb each
💡 What is a needle roller bearing used for in linear slide unit and compact shaft setups? Needle roller bearings are a handy solution when you need high radial load capacity in a tight package. - Ideal for compact shaft support and tight-fit linear slide units where sealed ball bearing space is limited - Offers high dynamic and static load ratings compared with comparable sealed ball bearing options - Choose machined caged types with oil holes for easier lubrication and longer service life in machinery - Consider ceramic or sealed ball bearing alternatives when corrosion resistance or contamination sealing is critical