20 mm extra-narrow stainless steel insert ball bearing with eccentric locking collar, 440C light-duty spherical outer ring, MU004 style, single bearing unit, no relubrication required

20 mm extra-narrow stainless insert bearing, single unit
✔️ I.D. 20 mm, 440C stainless, extra-narrow inner ring, eccentric collar

Single 20 mm stainless steel insert ball bearing (MU004) for light-duty applications, handy for linear slide units, conveyors, and compact machinery where space is tight.

✅ I.D.: 20 mm, extra-narrow inner ring
✅ Insert material: 440C stainless steel
✅ Locking: eccentric collar for easy mounting
✅ O.D. style: spherical outer ring
✅ Dynamic load rating: 810 kgf; Static load: 410 kgf
✅ Relubrication: No (pre-set for light-duty use)
✅ Model: MU004, single bearing unit, weight ~0.210 lb

💡 What is an insert bearing with eccentric collar used for on linear slide units? Insert bearings with eccentric collars are handy for securing and locating shafts quickly while keeping installation simple. - Provides easy shaft locking without extra clamps, ideal for linear slide units and conveyor rollers - Saves space with an extra-narrow inner ring for compact applications and tight shaft clearances - Eccentric collar design speeds assembly and maintenance in light-duty machinery - 440C stainless insert gives corrosion resistance for food handling, packaging, and general industrial use