Beefy Spherical Roller Pillow Block Bearing With Eccentric Locking Collar And Heavy Seals, 2-Bolt Cast Iron Housing, Non Expansion Type, Rexnord MA3215, 2-15/16 Inch Shaft, 3-1/4 Inch Base To Center, 8-1/8 Inch Bolt Centers

Beefy Spherical Roller Pillow Block with Eccentric Collar
✔️ Single unit pillow block; 2-bolt cast iron housing, 2-15/16 in shaft

A heavy-duty spherical roller pillow block bearing with an eccentric locking collar and heavy seals. This 2-bolt, cast iron housing unit is built for rugged, long-running service in conveyors, metalworking, and industrial machinery. The MA3215 designation covers a 2-15/16 in shaft with 8-1/8 in bolt centers and a 3-1/4 in base-to-center for solid mounting. This is a sealed ball bearing configuration designed to keep grit out and lubrication in.

✅ Spherical roller pillow block bearing with heavy seals
✅ 2-bolt cast iron housing, non-expansion type
✅ Eccentric locking collar for quick shaft tensioning
✅ Shaft size 2-15/16 in (74.6 mm)
✅ Base to center 3-1/4 in (82.6 mm)
✅ Bolt centers 8-1/8 in (206 mm)
✅ MA3215 model designation

💡 What is a pillow block bearing used for in heavy machinery?

It's handy for supporting rotating shafts in a wide range of equipment.

- supports rotating shafts in conveyors, presses, and metalworking lines
- handy mounting on frames with standard bolt patterns
- reduces shaft wear by maintaining alignment under heavy loads
- seals protect bearings in dirty environments