RNA4904UU machined caged needle roller bearing 25 mm ID x 37 mm OD x 17 mm width, high-carbon steel single-row sealed unit with oil hole for linear slide units and compact drives

Machined caged needle roller bearing, RNA4904UU
✔️ 25 mm ID x 37 mm OD x 17 mm width; high-carbon steel; oil hole

Single sealed bearing (pack of 1) for compact drives, linear slide units, transmissions and machine tools where high radial loads and slim profiles are needed.

✅ Type: caged machined needle roller bearing, single-row RNA49 series.
✅ Dimensions: 25 mm ID x 37 mm OD x 17 mm width.
✅ Material: high-carbon steel with synthetic rubber seals; oil hole included.
✅ Load ratings: dynamic 18000 N; static 20500 N; max speed 7500 rpm.
✅ Weight: 0.120 lb; SKU: 862193.

💡 What is a needle roller bearing used for? Needle roller bearings are handy when you need high radial capacity in tight spaces. - Ideal for linear slide unit installations, compact drives, and gearbox applications. - Commonly chosen as a sealed ball bearing alternative where low-profile rollers fit better. - Frequently used in robotics, machine tools, and transmissions for high load per unit area.