Heavy duty set-screw pillow block UCSAO307-20 single unit, cast iron SAO307 housing, 1-1/4 in (31.75 mm) ID sealed ball insert, wide inner ring, 5/8 in (15.88 mm) mount bolt, grease 1/8-27 NPT

Heavy set-screw pillow block bearing, single unit
✔️ 1-1/4 in (31.75 mm) ID, sealed ball insert, 5/8 in bolt, set screw

This is a heavy duty, sealed pillow block bearing with a cast iron SAO307 housing and a sealed ball insert for general shaft support. Ideal for conveyor mounts, industrial machinery and linear slide unit setups where a single bearing is needed.

✅ Model: UCSAO307-20, insert UC307-20, single bearing unit
✅ Inner diameter: 1-1/4 in (31.75 mm) ID, wide inner ring for extra support
✅ Mount bolt size: 5/8 in (15.88 mm) for SAO307 housing
✅ Housing: Cast iron SAO307, heavy duty pillow block application
✅ Insert type/material: sealed ball bearing, bearing steel insert, set-screw locking
✅ Lubrication: grease fitting 1/8-27 NPT, relubrication possible
✅ Temperature rating: up to 212 F (100 C); contact seal with slinger included
✅ Weight: 8.96 lb (4.07 kg); sealed ball bearing good for linear slide unit and shaft support

💡 What is a pillow block bearing used for in conveyor and shaft support applications? A pillow block bearing supports a rotating shaft and keeps alignment while allowing easy mounting and maintenance. - Useful for supporting conveyor shafts, fans, pumps, and agricultural equipment in light to heavy duty rigs - Provides sealed ball bearing protection against contaminants and offers relubrication via 1/8-27 NPT fitting - Set-screw locking and wide inner ring give reliable shaft holding and less vibration for linear slide unit setups - Cast iron SAO housings are common for shop and field repairs where a single, ready-to-install unit is handy