Single set-screw locking 4-bolt flange pillow block bearing 3/4 in (19.05 mm) shaft, zinc-plated wide inner ring, white PBT FPL204 housing, sealed ball insert with relubrication fitting

Set-screw 3/4 in 4-bolt flange bearing, single unit
✔️ 3/4 in (19.05 mm) zinc-plated insert, white FPL204 housing

This single set-screw locking 4-bolt flange pillow block is a sealed ball bearing unit for general purpose shaft support. Commonly used on conveyors, material handling, and light industrial gearboxes.

✅ Shaft: 3/4 in (19.05 mm) wide inner ring, set-screw locking
✅ Bolt size: 3/8 in (9.53 mm) mounting bolts
✅ Insert: Zinc-plated ball insert (UC204-12MZ2 series), sealed ball bearing
✅ Housing: White PBT thermoplastic FPL204, 4-bolt flange style
✅ Seal & slinger: Contact seal with slinger for debris protection
✅ Lubrication: 1/4-28 UNF fitting tap, relubrication recommended
✅ Weight: 0.660 lb (0.30 kg), duty: standard up to 212f (100°C)
✅ Dimensions, A: 3-3/8 in (85.73 mm), E: 2-1/2 in (63.50 mm), G: 17/32 in (13.49 mm)
✅ More dims, X: 1-3/32 in (27.78 mm), S: 7/16 in (11.11 mm), Z: 1-27/64 in (36.12 mm), B: 1.220 in (30.99 mm)

💡 What is a 4-bolt flange pillow block bearing used for in industrial shaft support applications?

A 4-bolt flange pillow block bearing is a handy mounting unit that supports rotating shafts and keeps alignment simple. It works great where a secure, sealed ball bearing mount is needed.

- Supports radial loads and secures shafts in conveyors, reducers, and gearboxes using a sealed ball bearing design - Easy to install on flat surfaces; ideal for linear slide unit setups and retrofits where a fixed flange mount is required - Accepts grease via relubrication fitting; available in metal or ceramic insert options for high-wear or low-friction needs