NAU4903 Caged Roller Bearing, 17 mm ID x 30 mm OD x 13 mm Width, High Carbon Steel Heavy Duty Open 2 Row, 8240 N Dynamic / 9670 N Static Capacity, Single Piece

Single NAU4903 caged roller bearing 17 x 30 x 13 mm
✔️ High carbon steel, open 2 row, 8240 N dyn, 9670 N stat

This single caged roller bearing (NAU4903) is a heavy duty open bearing used in linear slide units, conveyors, and industrial machinery where high radial load capacity is needed.

✅ Model NAU4903, caged roller design
✅ Inner diameter 17 mm, outer diameter 30 mm, width 13 mm
✅ Material: high carbon steel, open enclosure
✅ Number of rows: 2, heavy duty configuration
✅ Dynamic load capacity 8240 N, static capacity 9670 N
✅ Maximum speed 19000 rpm, temperature range -20 to 120 C
✅ Oil hole: No, series: NAU metric series, unit: each

💡 What is a caged roller bearing used for in heavy duty linear slide units?

These bearings are handy for applications needing high radial load support and smooth linear motion.

- Ideal for linear slide unit setups where sealed ball bearing options may not handle the load
- Often chosen over ceramic parts when cost and high compressive strength matter
- Works well in industrial conveyors, gearboxes, and heavy machinery needing durable roller guidance