Standard Gears Series U
Speed Increasing Gears
Up to i = 1:2
Dimensions and Designs
Drive is also possible on shaft d2so that gears of Series U
can be used as speed reducing transmissions.
k
L---f1
The illustrations shows design 13 R
---
--;
C24
t-
e -
e
r = Form D DIN 332
8103
x
t'L.D
c;::'G1f280?r;
GI
GRAESSNER
1L
~
12L 23 L 1231-
Fully reversible
Size
",
07U
10 U 110 108 81 22 40 20
20 U 140 135 98 32 50
30U
35 U 210 205 128 45
40U
SOU 280
60U
I360
70U
• Please state required location of mounting
thread for size 60 and 70
b
h 7
90 88
170 165 118 40 60
240 235 138I55 85
I275
350
450 440 250
0
a
0
0 c
d,
rs
72 18 35
150
60
210
75 120
90
h
110
160
70
t
~
d
21S
16 30
28
38
45 70
55
60
75 120
90
3L
12
110
160
T
•
Ratio i = 1:1.5
11
e
45 130
35 55 150
45
70 180 127
215 155 12
85
55
: 260
105
85
120 I300
I
140
I360 I
180 445
570
225
13L
1R 3R
12 R
t
h
12
9
I
I
87 10
102 10
10
15 85
192
15 95 2
222
267 15
325 22
I
410 22 185 3 3 M
..
Reach of screw = 1 5 x k
m
50 2 2 M
55 2
60 2
70
2
2
110 2
145
3
23 R
k··
n
2 M 8 44
I
2 M 10
I
3
I
I
I
I
I
M 12 67 M 16
I
2 M 16
M 16
2
2 M 16
3 M
6 36
I
20'
20'
13R
y
123R
+
r,
p
M6M
M 8
M 12
55
85 M 16
M 20
95
110
M201M20
140 M 20
175
M 24
rz
6
M
8
M 8
M 12
M 16
IM 20 -
M 20
M 24
Size
07 U
10 U
U
20
~
35 U
4~'
rsou
~
I 70 U I
!
8103
Ratio i = 1:1 5
dl
with
leather
ingtoDIN
key
6885
sx 6 x 32
6x 6 x 36
10x 8 x 45
12x 8 x 56
j--
- -
-----,----
14x
sx 63
16 x 10 x 80
+- - - - - -
18x 11
20
,< 12 ,< 110
25
x 14 -: 140
x
100
accordpage
1 Zing to
t
-;-
I
d
with
feather
key
accord-
DIN
6885
page
sx sx 25
6x 6x
sx t
10x
14 x
16
- - - - - - -
18 x 11 x 100
20,(
25"
»:
ax 50
- - - 9;< 63
". 10 x 80
12 x 110
14 .' 140
32
40
-------l
i = 1: 2
with
feather
key
x20
6885
accordpage
1
I
...
I
I
1
I
I
-I
'07 U
~
10 U 18I35
20 U
30 U 28
35 U 38
40 U 45
50
\60 U
' 70 U
0
Size
d
i
z
14 25
24
U 50 80
65
80
12
12
6
rz
I I
M
82 I
I
M
102 I
I
40
45
55
70
\110
130 380
1
I M
122
T M
145
177
-IM 16 T
207
237 I M 16 I
I
I
315
M 20
IM 20
M 12 I
dz
ingtoDIN
6
sx 5
6 6x6x32
8
8 x t»:36
I
8 8 x 7 x 40
10x8x50
14x9x63
14 x 9 x 70
x 11 y 100
18
I
22 y 14 A 125
C25
r-
.s:
co
o:e
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r-
x:
co
<D
~
~
CD
-'"
r-
.<::::
co
co
0 '
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0
0)
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~
~
I
!\
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I
I
~
ae.
CD
-'"
co
~
,-
--
-
-
-- 1< )
<D
('f)
L.O
L.O
1
L.O
..-
-&-
bJ
9Q
r-6
-
~:~n
._ ___t_________
-
~
CO
1
Ii--
1-GQ
~
30
')
~
')&:,
--+a---
,,-
1-6x-M
3
6-
1
/
$"
I
n
___
:::
-
I fI:l
,
I
:
1
,
:
I
I
I
I
6-
S4
S1
S3
Size: P090
Form: U
Ratio: 2
Shaft configuration: 1
Ident. Number
21090R70501
~
-
rI\
Q7
Q6
Y--'
~
Dimension Sheet Number
M21090R70501·3338
SA
Keyway according to DIN6885/1
Center of shaft ends according to DIN332 DS
Minimal backlash
Customer
Kunde
~5
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