Machined Needle Roller Bearing RNA499 Single Caged Type, 12 mm ID x 20 mm OD x 11 mm Width, High-Carbon Steel with Oil Hole, Open Series RNA49 for Linear Slide Unit Applications

Single machined needle roller bearing RNA499
✔️ 12 mm ID x 20 mm OD x 11 mm width, high carbon steel

This single caged machined needle roller bearing is built for compact radial load applications and is commonly used in linear slide units, gearboxes, and precision transmissions.

✅ Model RNA499, RNA49 metric series, caged machined type
✅ Dimensions: 12 mm ID x 20 mm OD x 11 mm width
✅ Material: high carbon steel, open enclosure with oil holes
✅ Dynamic load capacity 6600 N; static load capacity 6310 N; single row
✅ Maximum speed 35000 rpm; single bearing pack; weight 0.03 lb each

💡 What is a needle roller bearing used for in linear slide unit applications? Needle roller bearings are handy for tight radial spaces where sealed ball bearing solutions won't fit, giving strong load support with low friction. - Compact radial support for linear slide unit and rail systems when sealed ball bearing is too large - High load capacity in narrow housings for transmissions, pumps and compact gearboxes - Improves precision and reduces friction in high-speed, space-constrained assemblies