Home > Soperb Standards

FZ31 Stainless Steel Sintered Powder Metallurgy Bearing and Components

Standard: Soperb Oilites
Code: FZ31
Type: Stainless Steel Base
Applications: Bearings or Mechanism Parts
Product description: The FZ31 is a stainless steel (SS304) sintered powder metallurgy bearing and component, oil-impregnated for reliable self-lubricating performance. Ideal for industrial machinery and electric motors, i
INQUIRY

FZ31 Stainless Steel Base Sintered Bearing Material

FZ31 is a stainless steel base, oil-impregnated sintered self-lubricating bearing material per Soperb Oilites standard. Offers excellent corrosion resistance for harsh environments including water, steam, and chemical exposure. Ideal for food processing, marine, chemical, and outdoor equipment applications.

Chemical Composition (Soperb Oilites / ISO 2795 (DIN 1850 Part 3))

Element	Content
Fe	Balance
Cr	16.0~18.0%
Ni	10.0~14.0%
Mo	2.0~3.0%
C	≤0.08%

Mechanical & Physical Properties

Property	Value
Oil Retaining	12%~18%
Radial Crushing Strength	≥180 MPa
Max. Linear Speed	5 m/s
Max. PV	8 N/mm² · m/s
Hardness	HB 60~90

Products Standard: ISO 2795 (DIN 1850 Part 3). Radial crushing strength values are shown at corresponding oil retaining levels — higher oil content reduces crushing strength. All materials are oil-impregnated via vacuum soaking process.

PREVIOUS：FZ11 Iron Oil Sintered Powder Metallurgy Bearing and Components NEXT：FZ32 Stainless Steel Sintered Powder Metallurgy Bearing and Components