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Tsubaki: The solution for shaft locking devices
www.ustsubaki.comwww.ustsubaki.com
POWER-LOCK®
Keyless Locking DeviceMORE STYLES TO FIT MORE APPLICATIONS
U.S. Tsubaki, Inc.301 East Marquardt DriveWheeling, Illinois 60090
1-800-323-7790
Tap Holes for Removal
© 2009 U.S. Tsubaki, Inc. All Rights Reserved.Printed in USA 10/09. L0930100
Experience the difference a Tsubaki
POWER-LOCK makes.
A shaft-to-hub locking assembly that eliminates the problems
associated with key systems.
High durability against reversing and impacting loads
Easy and precise positioning
Thrust load capability
Easy assembly and disassembly
Eliminates costly machining
Tsubaki B-Loc Ringfeder
AS B400 RfN7012
AD B112 TAS3012
AE B106 RfN7013.1
FL B103 RfN7013.0
KE B109
RE-SS
TF B800 RfN7110
EL B500 RfN8006
EF
SL SD10 RfN4071
SeriesAS
AS-SSAD
AEFL
KERE-SS
TFEL
EFSL
Shaft D
iameter
mm
19
to 30
01
9 to 1
50
45
to 30
01
9 to 1
50
19
to 10
05
to 10
05
to 50
6 to 9
01
0 to 1
50
10
to 12
0 1
9 to 2
45
inch3
/4 to
11
-13
/16
3/4
to 43
/4 to
11
-13
/16
3/4
to 43
/4 to 4
3/8
to 4-
--
--
Transmissible torque (kgf-m
)2
5 to 1
54
00
20
to 21
30
39
to 43
80
02
7 to 2
76
02
7 to 2
76
00
.77
to 10
10
0.5
1 to 1
19
1.2
to 90
00
.7 to 1
07
04
to 12
90
17
to 29
60
0
Multiple U
se
Num
ber of use1
2 3
4
1 2
1
2
1 2
1
21
2
1 2
1
2
1 2
3 4
1
2
1 2
Multiple factor
1 2
3 4
1
2
1 2
1
2
1 2
1 2
1
2w
/o snap ring1
2
1 1
.5 1
.8 2
1 1
.21
2
1 1
.2
(w/ snap ring)
Surface roughness of shaft/
hub bore1
2S
ss
12
Sss
12
Sss
12
Sss
12
Sss
12
Sss
12
Sss
12
Sss
6S
sss
12
Sss
12
Sss
Tolerance of shaft/hub boreh8
/H8
h8/H
8h8
/H8
h8/H
8h8
/H8
h10
~m
6/H
8h8
/H8
h8/H
8
<3
8m
m =
h6/H
7
h8/H
8h6
/H7
/h7
>4
0m
m =
h8/H
8
Centering function
No
No
YesYes
YesYes
YesYes
No
YesYes
Contact pressure
(Kgf/m
m2)
Hub bore
8.7
to 13
.67
.3 to 1
2.1
9.0
to 12
.69
.5 to 1
5.4
9.5
to 15
.47
.1 to 1
6.8
5.1
to 12
.85
.4 to 1
2.9
7.7
to 91
3.6
to 22
.92
3 to 3
2
Shaft
14
.9 to 2
1.4
15
.2 to 1
9.1
11
.6 to 2
4.1
20
.2 to 2
9.3
20
.2 to 2
9.3
16
.6 to 2
3.0
12
.9 to 2
0.4
7.6
to 22
.11
01
5.3
to 29
.81
6.7
to 22
.6
Installation to the shaft with
keyway/D
cutP
ossibleP
ossibleP
ossibleP
ossibleP
ossibleP
ossibleP
ossibleP
ossibleIm
possibleP
ossibleP
ossible
Others/overall
Available
for large shaft diam
eterS
tainless steelS
ame ID
and OD
as the A
S S
eriesS
ame ID
and OD
as the A
S S
eriesS
ame ID
and OD
as the A
S S
eriesW
ide range of shaft tolerances
Stainless steel
For small hub
diameters
Offers
flexible design configurations
Sam
e ID and O
D
as the EL S
eriesE
xternal lock
Easy to select
Sam
e construction/ ID
and OD
as the A
S series
Transmitting 1
.5
to 3 tim
es the rated torque of the A
S S
eries
Centering
function C
entering function
Designed to fit
small diam
eters
Available in flange (w
ith snap ring) and straight
(w/o snap ring)
installation types
Centering
function E
xcellent cost perfor-m
ance
Easy
machining of the shaft/hub bore
Centering
functionC
an use to the shaft w
ith keyway
Can use to the
shaft with keyw
ay
Applicable to
cold finished steel bars, servo
motor shafts,
motor shafts,
detectors, etc.
Can use to the
shaft with keyw
ay
Designed for
applications requiring space
restrictions
Can use to the
shaft with keyw
ay
Can use to the
shaft with keyw
ay
Need
pressure flange, sleeve, etc.
Contact U
.S. Tsubaki, Inc. for additional engineering inform
ation.
Note: In accordance w
ith the policy of U.S
. Tsubaki, Inc. to consistently improve its products, the
specification on this sheet are subject to change without notice.
Tsubaki does not guarantee exact equivalence; dimensions and/or capacities m
ay differ. P
lease consult U.S
. Tsubaki prior to substituting.