Stainless · Bearing Units

SUP004

Stainless Steel Pillow Block Bearings & Units

The SUP004 designation defines the size and shape of this ball bearing. Materials, clearances and tolerances can be tailored to your application during quotation — the specifications below are the standard configuration.

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SUP004 - Bearing Units - ZGBK Bearings

Specifications — SUP004

Design & Construction

SerieStainless Steel Pillow Block Bearings & Units
MaterialAISI 440C stainless steel
Bearing typeBall bearing
Weight_kg16.5

Further Specifications

SeriesSUP004
Shaft_Dia_in20
Dimension_S6
Dimension_L28
Dimension_N100
Dimension_E80
Dimension_i20
Dimension_F10
Dimension_t9
Bearing_No55
Housing_No24.5

Lubrication & Operating Temperature

  • Open version: oil lubrication recommended for maximum speed.
  • Sealed version (2RS): maintenance-free grease lubrication.
  • Standard greases typically limit continuous operation to about 120 °C; the AISI 440C stainless rings and cage permit up to 150 °C.
  • Food-grade (H1) or high-temperature lubrication available on request — contact us.

Typical Applications

Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment.

About the SUP004

The SUP004 is a Bearing Units stainless steel bearing manufactured by ZGBK Bearings (Wuxi, China). Built from corrosion-resistant AISI 440C stainless steel, it is suited to food processing, medical, marine and chemical equipment where reliability in harsh environments matters. Full specifications are listed below.

ZGBK manufactures the SUP004 as part of the Stainless Steel Pillow Block Bearings & Units, using AISI 440C stainless steel for superior corrosion resistance in wet, chemical and food-grade environments. Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment. As a direct factory in Wuxi, China, we support small-batch orders, custom dimensions and fast samples for qualified buyers.

Need SUP004 — or a custom variant?

Direct from our Wuxi factory: small batches, custom dimensions, fast samples. Reply within 24 hours.