16004-2RS Bearing 20x42x8mm Sealed Ball Bearing

Compact sealed ball bearing 20x42x8 mm, single-pack
✔️ 20mm bore, 42mm outer, 8mm width, sealed rubber shields, pre-lubed

The 16004-2RS is a slim-profile deep groove ball bearing made from tough chrome steel, perfect for applications where space is tight but you still need smooth, sealed performance. It comes pre-greased and ready to drop into action in small motors, CNC components, and compact machinery.

✅ Size: 20mm bore x 42mm OD x 8mm width (ID x OD x Width)
✅ Dual rubber seals guard against dust and moisture
✅ 52100 chrome steel body for durability
✅ Pre-lubricated with grease; ready to install
✅ Max RPM (grease): 18,000; Dynamic Load: 7,900 N; Static Load: 4,500 N

💡 What is a pillow block bearing used for?

Pillow block bearings are handy in mounting shafts where space is limited and alignment matters. - Handy for tight layouts and mounting away from the edge - Helps align shafts to minimize wobble and wear - Sealed ball bearings keep out dust and moisture - Pre-lubricated options speed up setup and reduce maintenance