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Washers
Self-locking washers and retaining rings


AESS
Spring rings for unsplined shafts

Spring rings AESS are recommended on smooth shafts without grooves, made of soft material with resistance 589-687 N/mm².
Their use is not recommended on shafts with grinded, hardened or galvanized surfaces, as they would considerably reduce the load bearing.
These rings are rigid and easily deformable; therefore, the use of pliers with a stop screw is essential.

Scheda prodotto - AESS
SIZE WASHER DIMENSIONS SUPPLEMENTARY DATA WEIGHT
d
tol
F
tol
s

tol

a ≈
b ≈
g min
Axial load bearing
capacity (N)
Kg/1000
2 0 -0,025 1,90 0,040 0 0,50 0,040 -0,040 1,85 1,45
1,00
40 0,053
2,5 0 -0,025 2,35 0,050 0 0,60 0,060 -0,060 1,90 1,50
1,00
60 0,067
3 0 -0,025 2,80 0,080 0 0,60 0,060 -0,060 2,10 1,60
1,10
70 0,080
4 0 -0,075 3,75 0,100 0 0,80 0,060 -0,060 2,70 1,80
1,20
95 0,154
5 0 -0,075 4,70 0,100 0 0,80 0,060 -0,060 2,90 2,20
1,30
120 0,217
6 0 -0,075 5,65 0,100 0 1,00 0,060 -0,060 3,10 2,50
1,40
160 0,352
7 0 -0,090 6,65 0,120 0 1,00 0,060 -0,060 3,20 2,80
1,40
170 0,483
8 0 -0,090 7,65 0,120 0 1,00 0,060 -0,060 3,40 3,00
1,50
185 0,565
9 0 -0,090 8,60 0,120 0 1,20 0,080 -0,080 3,70 3,20
1,70
210 0,830
10 0 -0,090 9,60 0,120 0 1,20 0,080 -0,080 3,70 3,50
1,70
230 1,002
11 0 -0,110 10,50 0,150 0 1,20 0,080 -0,080 4,20 3,90
1,90
260 1,209
12 0 -0,110 11,50 0,150 0 1,30 0,080 -0,080 4,60 4,30
2,00
280 1,619
16 0 -0,110 15,40 0,110 0 1,50 0,080 -0,080 5,50 5,80
2,50
500 3,079
Dimensions in mm 
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Materials used

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Spring steel EN 10132 - 1/4 (DIN 17222)
Ø from 2 to 16 mm: strip C60S (C60)

Hardness

Ø from 2 to 16 mm: HV 471 ÷ 545, HRC 47 ÷ 52

Standard surface finish

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Ø from 2 to 7 mm: phosphated and oiled
Ø from 8 to 16 mm: self-finished and oiled

Packaging

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