Saint-Gobain Bearings

NORGLIDE® T Bearings

Maintenance-free bearing with metal backing



NORGLIDE® T is a composite material of compounded PTFE tape on a metal shell. This material structure enables machining of the bearing in the housing--which is an alternative to the sizing process--to obtain tightest tolerances on the inside diameter.


The very thick PTFE layer isolates noise and allows to design bearings without play. Bearings of more than 0.75 mm thickness can be produced with an interference fit in the housing. Various methods are available to protect the steel shell from corrosion.

 

Availability

The standard PTFE compound contains carbon and graphite. Special PTFE compounds are available on request. Fabricated parts include rolled bearings with or without an axial flange, deep-drawn bearings and die-cuts. The metal backing is available in steel, aluminum or stainless for use in chemically-harsh environments.

NORGLIDE® T
Standard Thickness Table


Norglide T Bearings
Nom Thickness (mm) Material Structure
Steel Steel 1.4401 Alu
0.50
  •  
 
  •  
0.75
  •  
  •  
  •  
1.00
  •  
  •  
  •  
  1.50
  •  
 
  •  

 

 

NORGLIDE® T 1.0, Type 009100


Related Characteristics
 
 

Maximum permissible specific bearing load static   180 MPa
bearing load dynamic   150 MPa
Coefficient of friction at RT @ 4.8 MPa and 0.058 m/s 0.130  
on steel with ≥ 58 HPX @ 70 MPa and 0.0065 m/s 0.065  
Deformation under load 23ºC @ 100 N/mm 2, 1h ≤ 30 micron
Coefficient of heat transmission SG PA 3022 2100 W/m2K
Operating temperature range continuous -200 to +180 ºC
  intermittent 260 ºC
Coefficient of linear thermal expansion SG PA 1025 8 10-5/K
K Factor   0.21 10-6 mm3/ Nm
Volume resistivity SG PA 1081 ³ 105  Ωcm2

 

 

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