ST81524B ST open heavy load needle roller bearing, single unit, metric ST series, 8 mm shaft diameter, 15 mm outer diameter, 24 mm length, 512 N dynamic, 422 N static, 120°C

Open heavy load needle roller bearing, single unit
✔️ 8 mm shaft, 15 mm O.D., 24 mm length, 512 N dynamic, 422 N static

This open-type ST metric series needle roller bearing is a single bearing unit used for compact radial support in linear slide units, machine tools, and industrial conveyors.

✅ Model: ST81524B, ST metric series
✅ Bearing material: steel, open enclosure
✅ Shaft diameter 8 mm, outer diameter 15 mm, length 24 mm
✅ Dynamic load capacity 512 N, static load capacity 422 N
✅ Temperature rating up to 120°C; heavy load type for rugged use

💡 What is a needle roller bearing used for in linear slide units? Needle roller bearings give tight radial support where space is limited and are handy for guiding shafts in compact linear slide units. - Works well alongside sealed ball bearing solutions and can be swapped for ceramic options when corrosion resistance or higher RPM is needed. - Offers high radial load capacity in small diameters for machine tools, conveyors, and precision linear slide units. - Ideal when you need heavy-load performance, compact profile, and reliable operation up to 120°C.