Wednesday, April 15, 2026
RETAINING RINGS
Material: Spring steel

Hardness:
46÷54 HRC 460÷580 HV

SURFACE FINISHES
Phosphated and oiled
Blackened and oiled
Manufacturer's choice

Example of designation:
ring type RAM 4 INFILATI

d1=shaft diameter
d2=groove diameter
d4=external diameter in the unstressed state
s=thickness
DIN 6799 type RAM stacked

d2 Description Price
euro /100
% Price Change
1 2
Package
1.9 RAM 1,9 INFILATI 0,38
NET -
12000



RING
d1 2.5 ÷ 3.0 
s 0.50 
tole s +0.02 -0.02 
d4 4.40 
tole JT +0.040 -0.040 
weight kg/1000 0.040 
a 1.61 
GROOVE
d2 1.9 
tole d2 -0.060 
m 0.54 
SUPPLEMENTARY DATA
n 1.0 
FN (kN) 0.10 
FR (kN) 0.35 
g 0.7 
FRg (kN) 0.17 
d42 4.5 
nabl.x1000 (giri/min) 40 
plier GRA 1.9 


Technical informations are indicative and can be updated.
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GANDINI FASTENERS SRL viale Pier Paolo Pasolini, 83 - 20099 Sesto S.Giovanni Milano Italy
Tel. +39 02 241 047 250 Fax +39 02 241 047 74

Production and distribution
of fasteners, fixing elements
and mechanical parts machining


 GANDINI FASTENERS SRL
viale Pier Paolo Pasolini, 83
Sesto San Giovanni Mi - Italy		 Sales department
250@gandini.it
tel +39 02 241 047 250		 Administration
350@gandini.it
tel +39 02 241 047 350