Self-aligning bearing unit SPA

pillowball bearingpolypropylene

Product overview
The stainless steel tapped-base pillow block bearing unit SPA is designed for hygienic and heavy-duty industrial applications such as food, beverage, pharmaceutical and chemical processing. The unit combines a high-quality bearing insert with a polished stainless-steel housing to ensure corrosion resistance, easy cleaning and reduced maintenance.

Advantages

• Adjustable, pre-lubricated AISI 440C stainless steel ball bearing
• Re-lubrication via stainless steel AISI 304 grease nipple or quick coupler
• Optional safety cap in polypropylene or stainless steel AISI 304
• Optional rotary shaft seal (TC) with extra dust-protection lip in NBR and stainless steel spring
• Hygienic design for washdown environments and easy cleaning
• Robust stainless-steel construction for long service life

Features

• Housing material: Stainless steel AISI 304 (AISI 316 optional)
• Bearing: AISI 440C stainless steel (pre-lubricated, adjustable)
• Grease nipples: Stainless steel AISI 304, M6x1mm
• No surface coating required; smooth, polished finish
• Operating temperature: -30°C to +120°C
• Cap material: Polypropylene or stainless steel AISI 304
• Oil seal: NBR rubber with stainless steel spring (TC)

Sizes available
Shaft diameter | Catalog no.
Ø20 mm | SPA 204
Ø25 mm | SPA 205
Ø30 mm | SPA 206
Ø35 mm | SPA 207
Ø40 mm | SPA 208
Ø45 mm | SPA 209
Ø50 mm | SPA 210
Ø55 mm | SPA 211
Ø60 mm | SPA 212
Tapped base with inch thread available on request.

Usage
The tapped-base pillow block SPA allows secure mounting with threaded fasteners for improved stability and load distribution. The self-aligning bearing insert compensates for shaft misalignment, reducing wear and extending equipment lifetime. Suitable for environments requiring frequent washdown, corrosion resistance and chemical tolerance.

Industries

• Food processing — conveyors, slicers, mixers
• Pharmaceutical — sterile production lines
• Beverage — filling and bottling lines, brewing equipment
• Chemical — processes exposed to aggressive chemicals

Material and construction
Manufactured from AISI 304 (standard) or AISI 316 (option), with smooth polished surfaces meeting EHEDG and 3A sanitary recommendations. Equipped with food-grade seals and stainless-steel bearings to ensure long-term performance and reliability in hygienic environments.

Technical specifications

• Model/series: SPA
• Housing: Stainless steel AISI 304 (option AISI 316)
• Bearing: AISI 440C stainless steel, pre-lubricated, adjustable
• Grease nipple: Stainless steel AISI 304, M6x1mm (quick coupler optional)
• Cap: Polypropylene or stainless steel AISI 304
• Seal: Rotary shaft seal ring (TC) with extra dust lip in NBR and stainless spring
• Operating temperature: -30°C to +120°C
• Suitable for: Washdown and hygienic industry applications
• Available shaft diameters / catalog numbers: Ø20 mm (SPA 204) → Ø60 mm (SPA 212)