Square Tube Type Air Cylinder: Standard Type

Double Acting, Single Rod

MB1 Series
ø32, ø40, ø50, ø63, ø80, ø100, ø125
RoHS

How to Order

MB1 B 32 50 Z
With auto switch MDB1 B 32 50 Z M9BW
With auto switch
(Built-in magnet)
Made to Order
Mounting type For details, refer to page 531.
B Basic
L Axial foot Bore size Number of auto switches
F Rod flange 32 32 mm Nil 2 pcs.
G Head flange 40 40 mm S 1 pc.
C Single clevis 50 50 mm 3 3 pcs.
D Double clevis 63 63 mm n “n” pcs.
* Mounting bracket is shipped 80 80 mm
together with the product, but 100 100 mm Auto switch
not assembled (except ø125). 125 125 mm Nil Without auto switch
* For applicable auto switches,
Port thread type refer to the table below.
Nil Rc Cylinder stroke [mm]
TN NPT Refer to “Standard Strokes” on page 531. Accessories 2
TF G
Suffix (Rod boot) Nil No bracket
Nil None V Single knuckle joint
J Nylon tarpaulin W Double knuckle joint
* Refer to “Ordering Example of
Cylinder Assembly” on page 531. K Heat resistant tarpaulin * A knuckle joint pin is not provided with the single
knuckle joint.
Suffix (Cushion) * Rod end bracket is shipped together with the product.

Built-in Magnet Cylinder Model Nil Air cushion

N* Rubber bumper
Accessories 1
If a built-in magnet cylinder without an Nil No bracket
* Since the bumpers are attached to the both sides
auto switch is required, there is no need of the piston for rubber bumper type, the overall N Pivot bracket
to enter the symbol for the auto switch. length is longer than the cylinder with air cushion * Only for D mounting type.
(Example) MDB1B40-100Z as follows: ø32, ø40: +6 mm, ø50, ø63: +8 mm, * Pivot bracket is shipped together with the product.
ø80, ø100: +10 mm, ø125: +12 mm. * For details, refer to page 538.

Applicable Auto Switches/Refer to pages 1271 to 1365 for further information on auto switches.
Load voltage Auto switch model Lead wire length [m]
Indicator light

Electrical Wiring Pre-wired

Type Special function 0.5 1 3 5 connector Applicable load
entry (Output) DC AC Perpendicular In-line
(Nil) (M) (L) (Z)
3-wire (NPN) M9NV M9N V V V v v
5 V, 12 V IC circuit
Solid state auto switch

— 3-wire (PNP) M9PV M9P V V V v v

2-wire 12V M9BV M9B V V V v v —
3-wire (NPN) M9NWV M9NW V V V v v
Diagnostic indication 5 V, 12 V IC circuit Relay,
(2-color indicator)
Grommet Yes 3-wire (PNP) 24 V — M9PWV M9PW V V V v v
PLC
2-wire 12 V M9BWV M9BW V V V v v —
3-wire (NPN) M9NAV*1 M9NA*1 v v V v v
Water resistant 5 V, 12 V IC circuit
(2-color indicator)
3-wire (PNP) M9PAV*1 M9PA*1 v v V v v
2-wire 12 V M9BAV*1 M9BA*1 v v V v v —
3-wire
Reed auto

— 5V — A96V A96 V — V — — IC circuit —

switch

Yes (NPN equivalent)

— Grommet
100 V A93V*2 A93 V V V V — — Relay,
2-wire 24 V 12 V
No 100 V or less A90V A90 V — V — — IC circuit PLC
*1 Water resistant type auto switches can be mounted on the above models, but in such case SMC cannot guarantee water resistance.
A water resistant type cylinder is recommended for use in an environment which requires water resistance.
*2 1 m type lead wire is only applicable to the D-A93.
* Lead wire length symbols: 0.5 m ·······Nil (Example) M9NW * Solid state auto switches marked with “v” are produced upon receipt of order.
1 m ······· M (Example) M9NWM
3 m ······· L (Example) M9NWL
5 m ······· Z (Example) M9NWZ
* Since there are other applicable auto switches than listed above, refer to page 551 for details.
* For details about auto switches with pre-wired connector, refer to pages 1340 and 1341.
* Auto switches are shipped together, (but not assembled).
530
Best Pneumatics 3-2 Ver.7
 Square Tube Type Air Cylinder: Standard Type
Double Acting, Single Rod MB1 Series

Specifications

Bore size [mm] 32 40 50 63 80 100 125

Action Double acting, Single rod
Fluid Air
Proof pressure 1.5 MPa
Maximum operating pressure 1.0 MPa
Symbol Minimum operating pressure 0.05 MPa
Double acting
Ambient and Without auto switch: –10 to 70°C
(No freezing)
fluid temperature With auto switch: –10 to 60°C
Lubrication Not required (Non-lube)
Piston speed 50 to 1000 mm/s
Stroke length tolerance Up to 250: +1.0 +1.4 +1.8 +2.2 +2.6
0 , 251 to 1000: 0 , 1001 to 1500: 0 , 1501 to 2000: 0 , 2001 to 2300: 0

Cushion Air cushion or Rubber bumper

Made to Order: Individual Specifications
(For details, refer to page 552.) Port size (Rc, NPT, G) 1/8 1/4 3/8 1/2
Basic, Axial foot, Rod flange, Head flange
Symbol Specifications Mounting
Single clevis, Double clevis
-X846 Fastener strips mounted on switch mounting grooves

Made to Order Standard Strokes

Click here for details [mm]
Symbol Specifications Bore Standard stroke Max.
manufacturable
-XAl Change of rod end shape size Stroke range q Stroke range w stroke
-XB5 Oversized rod cylinder*1 *2 *3 32 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500
-XB6 Heat resistant cylinder (–10 to 150°C)*1 *2 40 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500
-XC3 Special port location*3 50 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500, 600
-XC4 With heavy duty scraper*2 Up to 1800 Up to 1800
63 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500, 600
-XC5 Heat resistant cylinder (–10 to 110°C)*1
80 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800
-XC6 Piston rod and rod end nut made of stainless steel*4
100 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800
Tie-rod, cushion valve, tie-rod nut, etc.
-XC7 125
made of stainless steel*2 25, 50, 75, 100, 125, 150, 175, 200, 250, 300, 350, 400, 450, 500, 600, 700, 800, 1000 Up to 2300 Up to 2300
-XC8 Adjustable stroke cylinder/Adjustable extension type*2 Note 1) Intermediate strokes are available. (No spacer is used.)
Note 2) Applicable strokes should be confirmed according to the usage. For details, refer to “Air Cylinders
-XC9 Adjustable stroke cylinder/Adjustable retraction type*2
Model Selection” on pages 8 to 19. In addition, the products that exceed the stroke range q might
-XC10 Dual stroke cylinder/Double rod type*2 not be able to fulfill the specifications due to the deflection etc.
-XC11 Dual stroke cylinder/Single rod type*2 Note 3) Please consult with SMC for manufacturability and the part numbers when exceeding the stroke range w.
Note 4) When using a rod boot, a stroke range of up to 1000 mm is available. Please consult with SMC when
-XC12 Tandem cylinder*2 exceeding a 1000 mm stroke.
-XC22 Fluororubber seal*2 Note 5) Using a stroke of a length which is smaller than the effective cushion length may result in reduced air
-XC26 With split pins for double clevis pin/double knuckle joint pin and flat washers*4 cushion performance. Refer to “Technical Data 1” on page 1573 for details on the effective cushion length.
-XC27 Double clevis and double knuckle joint pins made of stainless steel
Rod Boot Material
-XC29 Double knuckle joint with spring pin*2
-XC30 Rod trunnion*2
Symbol Rod boot material Max. ambient temperature
-XC35 With coil scraper*2
Made of stainless steel
J Nylon tarpaulin 70°C
-XC65 110°C*
(Combination of XC7 and XC68)*2 K Heat resistant tarpaulin
Piston rod and rod end nut made of stainless steel*2 * Max. ambient temperature for rod boot itself.
-XC68
(with hard chrome plated piston rod)
*1 Air cushion only Ordering Example of Cylinder Assembly
*2 Except ø125
*3 The cover shape is the same as the current product.
*4 ø125 only Cylinder model: MDB1D50-100Z-NW-M9BW
For special port location (-XC3), the mounting Double clevis
bracket and port location can be determined using Mounting D: Double clevis
the standard product corresponding to the operating Pivot bracket N: Yes
conditions. Also, this is only applicable to -XC3BB, Rod end bracket W: Double knuckle joint
-XC3CC and -XC3DD with trunnion bracket. Auto switch D-M9BW: 2 pcs.

* Pivot bracket, double knuckle joint and auto

Refer to pages 550 and 551 for cylinders switch are shipped together with the product, but
with auto switches. not assembled.
Pivot bracket
· Auto switch proper mounting position
(detection at stroke end) and its mounting height Auto switch
· Minimum stroke for auto switch mounting
· Operating range Double knuckle joint
· Auto switch mounting brackets/Part no.

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Best Pneumatics 3-2 Ver.7
MB1 Series

Accessories

Axial Rod Head Single Double

Mounting Basic
foot flange flange clevis clevis
Rod end nut V V V V V V
Standard
Clevis pin — — — — — V
Single knuckle joint V V V V V V
Double knuckle joint
Option V V V V V V
(with pin)
Rod boot V V V V V V
* Refer to page 539 for part numbers and dimensions. (Refer to page 535 for rod boot.)

Mounting Brackets/Part No.

Bore size
[mm]
32 40 50 63 80 100 125
Axial foot Note 1) MB-L03 MB-L04 MB-L05 MB-L06 MB-L08 MB-L10 MB-L12
Rod/Head flange MB-F03 MB-F04 MB-F05 MB-F06 MB-F08 MB-F10 MB-F12
Single clevis MB-C03 MB-C04 MB-C05 MB-C06 MB-C08 MB-C10 MB-C12
Double clevis MB-D03 MB-D04 MB-D05 MB-D06 MB-D08 MB-D10 MB-D12
Note 1) Order two foots per cylinder.
Note 2) Accessories for each mounting bracket are as follows. Axial foot, Rod/Head flange, Single clevis/Body
mounting bolt; Double clevis/Body mounting bolt, Clevis pin, Split pins and Flat washers. → Refer to
page 539 for details.

Theoretical Force
(Unit: N) OUT IN

Bore size Rod diameter Operating Piston area Operating pressure [MPa]
[mm] [mm] direction [mm2] 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
OUT 804 161 241 322 402 482 563 643 724 804
32 12
IN 691 138 207 276 346 415 484 553 622 691
OUT 1257 251 377 503 629 754 880 1006 1131 1257
40 16
IN 1056 211 317 422 528 634 739 845 950 1056
OUT 1963 393 589 785 982 1178 1374 1570 1767 1963
50 20
IN 1649 330 495 660 825 989 1154 1319 1484 1649
OUT 3117 623 935 1247 1559 1870 2182 2494 2805 3117
63 20
IN 2803 561 841 1121 1402 1682 1962 2242 2523 2803
OUT 5027 1005 1508 2011 2514 3016 3519 4022 4524 5027
80 25
IN 4536 907 1361 1814 2268 2722 3175 3629 4082 4536
OUT 7854 1571 2356 3142 3927 4712 5498 6283 7069 7854
100 30
IN 7147 1429 2144 2859 3574 4288 5003 5718 6432 7147
OUT 12272 2454 3682 4909 6136 7363 8590 9818 11045 12272
125 32
IN 11468 2294 3440 4588 5734 6881 8028 9174 10321 11468
Note) Theoretical force [N] = Pressure [MPa] x Piston area [mm2]

Weights
[kg]
Bore size [mm] 32 40 50 63 80 100 125
Basic 0.47 0.62 1.1 1.36 2.54 3.51 5.68
Axial foot 0.59 0.76 1.32 1.64 3.04 4.17 7.76
Basic weight Rod/Head flange 0.76 0.99 1.55 2.15 3.99 5.34 9.84
Single clevis 0.72 0.85 1.44 1.99 3.65 5.09 8.25
Double clevis 0.73 0.89 1.53 2.15 3.94 5.36 8.45
Additional weight per 50 mm of stroke All mounting brackets 0.16 0.21 0.33 0.37 0.57 0.72 0.94
Single knuckle joint 0.15 0.23 0.26 0.26 0.6 0.83 1.08
Accessories
Double knuckle joint (with pin) 0.22 0.37 0.43 0.43 0.87 1.27 1.58
Calculation
Example) MB1B32-100Z (Basic, ø32, 100 stroke)
• Basic weight ············ 0.47 (Basic, ø32)
• Additional weight ····· 0.16/50 stroke
• Cylinder stroke ········ 100 stroke
0.47 + 0.16 x 100/50 = 0.79 kg
532
Best Pneumatics 3-2 Ver.7
 Square Tube Type Air Cylinder: Standard Type
Double Acting, Single Rod MB1 Series

Allowable Kinetic Energy

2000
ø125
1000 ø100

ø80
500
400 ø63
300

ø50
200
ø40

100
ø32
Load mass [kg]

50
40
30

20

10

5
4
3

1
50

00
10

20

30

40

50

10

Maximum speed [mm/s]

Example) Load limit at rod end when the air cylinder ø63 is actuated at 500 mm/s.
Extend upward from 500 mm/s on the horizontal axis of the graph to
the intersection point with the line for a tube bore size of 63 mm, and
then extend leftward from this point to find the load of 80 kg.

533
Best Pneumatics 3-2 Ver.7
MB1 Series

Construction

!9 !4 i q !2 !6 !1 e r y !5 @0 !3 t !8 u w o !0 !7

Component Parts
No. Description Material Q’ty Note No. Description Material Q’ty Note
1 Rod cover Aluminum die-cast 1 Trivalent chromated 11 Tie-rod Carbon steel 4 Trivalent zinc chromated
2 Head cover Aluminum die-cast 1 Trivalent chromated 12 Tie-rod nut Carbon steel 8 Trivalent zinc chromated
3 Cylinder tube Aluminum alloy 1 Hard anodized 13 Wear ring Resin 1
4 Piston rod Carbon steel 1 Hard chrome plating 14* Rod seal NBR 1
5 Piston Aluminum alloy 1 *
15 Piston seal NBR 1
6 Cushion ring Aluminum alloy 1 Anodized 16* Cushion seal Urethane 2
7 Cushion ring B Aluminum alloy 1 Anodized 17 Cushion valve seal NBR 2
8 Bushing Bearing alloy 1 18* Cylinder tube gasket NBR 2
9 Cushion valve Steel wire 2 Trivalent zinc chromated 19 Rod end nut Rolled steel 1 Trivalent zinc chromated
10 Retaining ring Steel for spring 2 ø40 to ø125 20 Magnet — (1)

Replacement Parts/Seal Kit

Bore size
Kit no. Contents
[mm]
32 MB32Z-PS
40 MB1-40Z-PS
50 MB1-50Z-PS
Set of the nos.
63 MB1-63Z-PS
!4, !5, !6, !8
80 MB1-80Z-PS
100 MB1-100Z-PS
125 MB125-PS
* Seal kits consist of items !4, !5, !6, !8, and can be ordered by
using the seal kit number corresponding to each bore size.
* The seal kit includes a grease pack (10 g for ø32 to ø50, 20 g for
ø63 and ø80, 30 g for ø100).
Order with the following part number when only the grease pack is needed.
Grease pack part number: GR-S-010 (10 g), GR-S-020 (20 g)

534
Best Pneumatics 3-2 Ver.7
 Square Tube Type Air Cylinder: Standard Type
Double Acting, Single Rod MB1 Series

Standard

Basic: (B)
W V
Cushion valve Port
G 2 x Rc P G
Width across flats KA øE
øD
øE

C
B
MM
Width across flats B1 H1 MB 2x4xJ
AL F MA
A K N N C
H S + Stroke B
ZZ + Stroke
ød
øe

10.2
10.2
l f
h

Rubber Bumper [mm]

Bore size Bore size
[mm] S ZZ [mm] S ZZ
∗ Since the bumpers are attached to the both sides of the piston for rubber bumper type, the overall 32 90 141 63 102 164
length is longer than the cylinder with air cushion as follows: ø32, ø40: +6 mm, ø50, ø63: +8 mm, 40 90 145 80 124 200
ø80, ø100: +10 mm, ø125: +12 mm. 50 102 164 100 124 200
125 132 235

[mm]
Bore size
[mm] A AL B B1 C D E F G H H1 J K KA MA MB MM N P S∗ V W ZZ∗
32 22 19.5 46 17 32.5 12 30 13 13 47 6 M6 x 1 6 10 16 4 M10 x 1.25 26 1/8 84 4 6.5 135
40 30 27 52 22 38 16 35 13 14 51 8 M6 x 1 6 14 16 4 M14 x 1.5 26 1/4 84 4 9 139
50 35 32 65 27 46.5 20 40 14 15.5 58 11 M8 x 1.25 7 18 16 5 M18 x 1.5 30.5 1/4 94 5 10.5 156
63 35 32 75 27 56.5 20 45 14 16.5 58 11 M8 x 1.25 7 18 16 5 M18 x 1.5 30.5 3/8 94 9 12 156
80 40 37 95 32 72 25 45 20 19 72 13 M10 x 1.5 10 22 16 5 M22 x 1.5 37 3/8 114 11.5 14 190
100 40 37 114 41 89 30 55 20 19 72 16 M10 x 1.5 10 26 16 5 M26 x 1.5 37 1/2 114 17 15 190
125 54 50 136 41 110 32 60 27 19 97 16 M12 x 1.75 13 27 20 6 M27 x 2 38 1/2 120 17 15 223

With Rod Boot (Up to 1000 mm stroke) [mm]

l h
Bore size
d e f 1 to 51 to 101 to 151 to 201 to 301 to 401 to 501 to 601 to 701 to 801 to 901 to 1 to 51 to 101 to 151 to 201 to 301 to 401 to 501 to 601 to 701 to 801 to 901 to
[mm]
50 100 150 200 300 400 500 600 700 800 900 1000 50 100 150 200 300 400 500 600 700 800 900 1000
32 54 36 23 12.5 25 37.5 50 75 100 125 150 175 200 225 250 73 86 98 111 136 161 186 211 236 261 286 311
40 56 41 23 12.5 25 37.5 50 75 100 125 150 175 200 225 250 81 94 106 119 144 169 194 219 244 269 294 319
50 64 51 25 12.5 25 37.5 50 75 100 125 150 175 200 225 250 89 102 114 127 152 177 202 227 252 277 302 327
63 64 51 25 12.5 25 37.5 50 75 100 125 150 175 200 225 250 89 102 114 127 152 177 202 227 252 277 302 327
80 68 56 29 12.5 25 37.5 50 75 100 125 150 175 200 225 250 101 114 126 139 164 189 214 239 264 289 314 339
100 76 61 29 12.5 25 37.5 50 75 100 125 150 175 200 225 250 101 114 126 139 164 189 214 239 264 289 314 339
125 82 75 27 10 20 30 40 60 80 100 120 140 160 180 200 120 130 140 150 170 190 210 230 250 270 290 310

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Best Pneumatics 3-2 Ver.7
MB1 Series

Standard/With Mounting Bracket ∗ Refer to Basic (page 535) for other dimensions and with rod boot.

Axial foot: (L) Cushion valve Port

LY
4 x øLD

LH
X X
LT

Y LS + Stroke Y LX
ZZ + Stroke LZ

Axial Foot [mm] Rubber Bumper

Bore size Bore size
[mm]
X Y LD LH LS∗ LT LX LY LZ ZZ∗ [mm]
LS ZZ
32 22 9 7 30 128 3.2 32 53 50 162 32 134 168
40 24 11 9 33 132 3.2 38 59 55 170 40 138 176
50 27 11 9 40 148 3.2 46 72.5 70 190 50 156 198
63 27 14 12 45 148 3.6 56 82.5 80 193 63 156 201
80 30 14 12 55 174 4.5 72 102.5 100 230 80 184 240
100 32 16 14 65 178 4.5 89 122 120 234 100 188 244
125 45 20 14 81 210 8 90 149 136 282 125 222 294

Rod flange: (F)

FE FT Cushion valve Port 4 x øFD
øFd

FB
FY

FX
FZ

Rod Flange [mm]

Bore size
[mm]
FB FD FE FT FX FY FZ Fd
32 50 7 3 10 64 32 79 24.5
40 55 9 3 10 72 36 90 29.5
50 70 9 2 12 90 45 110 35.5
63 80 9 2 12 100 50 120 38.5
80 100 12 4 16 126 63 153 41
100 120 14 4 16 150 75 178 46
125 138 14 7 20 180 102 216 57

Head flange: (G) Cushion valve Port 4 x øFD

FB
FY

FT FX
ZZ + Stroke FZ

Head Flange [mm] Rubber Bumper

Bore size Bore size
[mm]
FB FD FT FX FY FZ ZZ∗ [mm]
ZZ
32 50 7 10 64 32 79 141 32 147
Axial foot, Rod/Head flange 40 55 9 10 72 36 90 145 40 151
∗ Since the bumpers are attached to the both sides of the 50 70 9 12 90 45 110 164 50, 63 172
piston for rubber bumper type, the overall length is 63 80 9 12 100 50 120 164 80, 100 212
longer than the cylinder with air cushion as follows: ø32, 80 100 12 16 126 63 153 202 125 249
ø40: +6 mm, ø50, ø63: +8 mm, ø80, ø100: +10 mm, 100 120 14 16 150 75 178 202
ø125: +12 mm. 125 138 14 20 180 102 216 237
536
Best Pneumatics 3-2 Ver.7
 Square Tube Type Air Cylinder: Standard Type
Double Acting, Single Rod MB1 Series

Standard/With Mounting Bracket * Refer to Basic (page 535) for other dimensions and with rod boot.

Single clevis: (C)

Cushion valve Port

CDH10 4 x Bolt

C
B
JN
U CX
L C
Z + Stroke RR B
ZZ + Stroke

Single Clevis [mm] Rubber Bumper

Bore size Bore size
B C JN L RR -0.3 Z*
U CDH10 CX-0.1 ZZ* Bolt Z ZZ
[mm] [mm]
32 46 32.5 5 23 10.5 13 10 14 154 164.5 MB-32-48-C1247 32 160 170.5
40 52 38 5 23 11 13 10 14 158 169 (M6 x 1 x 16L, Low head) 40 164 175
50 65 46.5 6 30 15 17 14 20 182 197 MB-50-48-C1249 50, 63 190 205
63 75 56.5 6 30 15 17 14 20 182 197 (M8 x 1.25 x 18L, Low head) 80, 100 238 261
80 95 72 8 42 23 26 22 30 228 251 MB-80-48BC1251 125 279 307
100 114 89 8 42 23 26 22 30 228 251 (M10 x 1.5 x 22L, Low head)
125 136 110 10 50 28 30 25 32 267 295 M12 x 1.75 x 28L, Low head

Double clevis: (D)

Cushion valve Port
Hole dia.: CDH10 4 x Bolt
Shaft dia.: CDd9
C
B

JN
CX
U
CZ
L
C
Z + Stroke RR
B
ZZ + Stroke

Double Clevis [mm] Rubber Bumper

Bore size Bore size
[mm]
B C JN L RR U CDH10 CX+0.3
+0.1 CZ Z* ZZ* Bolt
[mm]
Z ZZ
32 46 32.5 5 23 10.5 13 10 14 28 154 164.5 MB-32-48-C1247 32 160 170.5
40 52 38 5 23 11 13 10 14 28 158 169 (M6 x 1 x 16L, Low head) 40 164 175
50 65 46.5 6 30 15 17 14 20 40 182 197 MB-50-48-C1249 50, 63 190 205
63 75 56.5 6 30 15 17 14 20 40 182 197 (M8 x 1.25 x 18L, Low head) 80, 100 238 261
80 95 72 8 42 23 26 22 30 60 228 251 MB-80-48BC1251 125 279 307
100 114 89 8 42 23 26 22 30 60 228 251 (M10 x 1.5 x 22L, Low head)
125 136 110 10 50 28 30 25 32 64 267 295 M12 x 1.75 x 28L, Low head

Single/Double clevis
* Since the bumpers are attached to the both sides of the piston
for rubber bumper type, the overall length is longer than the
cylinder with air cushion as follows: ø32, ø40: +6 mm, ø50,
ø63: +8 mm, ø80, ø100: +10 mm, ø125: +12 mm.

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Best Pneumatics 3-2 Ver.7
MB1 Series

Pivot Bracket/Double Clevis Pivot Bracket

Part No.
Bore size
MBl32 MBl40 MBl50 MBl63 MBl80 MBl100 MBl125
Description
Double clevis pivot bracket MB-B03 MB-B05 MB-B08 MB-B12

Double clevis pivot bracket

B
Z + Stroke DB DX

B° DD
°
90
4 x øDT

B
A°

DS
DH
4 x øDR
DU DL DU DO DC DO
DA DE

[mm] Rubber Bumper

Bore size Bore size
Part no.
[mm] B DA DB DL DU DC DX DE DO DR DT DS DH Z∗ DDH10 [mm] Z
32 46 42 32 22 10 44 14 62 9 6.6 15 7 33 154 10+0.058
0 32 160
MB-B03
40 52 42 32 22 10 44 14 62 9 6.6 15 7 33 158 10+0.058
0 40 164
50 65 53 43 30 11.5 60 20 81 10.5 9 18 8 45 182 14+0.070
0 50 190
MB-B05 +0.070
63 75 53 43 30 11.5 60 20 81 10.5 9 18 8 45 182 14 0 63 190
80 95 73 64 45 14 86 30 111 12.5 11 22 10 65 228 22+0.084
0 80 238
MB-B08
100 114 73 64 45 14 86 30 111 12.5 11 22 10 65 228 22+0.084
0 100 238
MB-B12 125 136 90 78 60 15 110 32 136 13 13.5 24 14 75 267 25+0.084
0 125 279

Rotating Angle
Bore size Clevis pivot bracket
[mm] A° B° A°+ B°+ 90°
∗ Since the bumpers are attached to the both sides of the piston for rubber
32, 40 25° 45° 160° bumper type, the overall length is longer than the cylinder with air cushion as
50, 63 40° 60° 190° follows: ø32, ø40: +6 mm, ø50, ø63: +8 mm, ø80, ø100: +10 mm, ø125: +12
80, 100 30° 55° 175° mm.
125 30° 50° 170°

538
Best Pneumatics 3-2 Ver.7
 Square Tube Type Air Cylinder: Standard Type
Double Acting, Single Rod MB1 Series

Dimensions of Accessories
Rod end nut 30° Knuckle joint pin
d

øDd9
(Standard) Clevis pin 2 x ød

C
m l
H B [mm]
L [mm]
Bore size Bore size [mm] d
Part no.
[mm] d H B C D Part no. Dd9 L l m (Drill through)
Split pin
Clevis Knuckle
NT-03 32 M10 x 1.25 6 17 19.6 16.5 CD-M03Note) 32, 40 10 –– 0.076
0.040
44 36 4 3 ø3 x 18 l
NT-04 40 M14 x 1.5 8 22 25.4 21 CD-M05Note) 50, 63 14 –– 0.050
0.093 60 51 4.5 4 ø4 x 25 l
NT-05 50, 63 M18 x 1.5 11 27 31.2 26 CD-M08Note) 80, 100 – 0.065
22 – 0.117 82 72 5 4 ø4 x 35 l
NT-08 80 M22 x 1.5 13 32 37.0 31 IY-12 125 25 –– 0.065
0.117 79.5 69.5 5 4 ø4 x 40 l
NT-10 100 M26 x 1.5 16 41 47.3 39 Note) Split pins and flat washers are included.
NT-12M 125 M27 x 2 16 41 47.3 39
Y type
Double knuckle joint
I type MM NDH10

R
1
45° RR MM øNDH10

R
Single knuckle joint

1
øE1

øE1

NX
NZ
A1 U1
L1 U1
A NX
L1
[mm] [mm]

Part no. Bore

size
Part no. Bore
size
[mm] A A1 E1 L1 MM R1 U1 NDH10 NX [mm] E1 L1 MM R1 U1 NDH10 NX NZ
I-03M 32 40 14 20 30 M10 x 1.25 12 16 10+ 00.058 14 –– 0.10
0.30 Y-03M 32 20 30 M10 x 1.25 10 16 10 +0.0580 14 ++ 0.30
0.10 28 –– 0.10
0.30

I-04M 40 50 19 22 40 M14 x 1.5 12.5 19 10+ 00.058 14 –– 0.10

0.30 Y-04M 40 22 40 M14 x 1.5 11 19 10 +0.058 0 14 ++ 0.30
0.10 28 –– 0.10
0.30

I-05M 50, 63 64 24 28 50 M18 x 1.5 16.5 24 14+ 00.070 20 –– 0.30

0.10
Y-05M 50, 63 28 50 M18 x 1.5 14 24 14 +0.070 0 20 ++ 0.10
0.30
40 –– 0.30
0.10

I-08M 80 80 26 40 60 M22 x 1.5 23.5 34 22+ 00.084 30 –– 0.30

0.10
Y-08M 80 40 65 M22 x 1.5 20 34 22 +0.084 0 30 ++ 0.10
0.30
60 –– 0.30
0.10

I-10M 100 80 26 40 60 M26 x 1.5 23.5 34 22+ 00.084 – 0.10

30 – 0.30 Y-10M 100 40 65 M26 x 1.5 20 34 22 0 + 0.084
30 ++ 0.30
0.10
– 0.10
60 – 0.30
I-12M 125 119 36 46 92 M27 x 2 28.5 34 25+ 00.084 – 0.10
32 – 0.30 Y-12M 125 46 100 M27 x 2 27 42 25 0 + 0.084 + 0.30
32 + 0.10 – 0.10
64 – 0.30
Note) A pin, split pins, and flat washers are included.
Bracket Combinations
Bracket combination available …………………………………… Refer to the figure below.
Bracket for
workpiece Single Double Clevis
Bracket Single clevis Double clevis
for cylinder knuckle joint knuckle joint pivot bracket
Single clevis — q — w —
Double clevis e — r — o
Single knuckle joint — t — y —
Double knuckle joint u — i — !0

No. Appearance No. Appearance

Single clevis + Double clevis Single knuckle joint + Double knuckle joint

q y

Single clevis + Double knuckle joint Double knuckle joint + Single clevis

w u

Double clevis + Single clevis Double knuckle joint + Single knuckle joint

e i

Double clevis + Single knuckle joint Double clevis + Clevis pivot bracket

r o

Single knuckle joint + Double clevis Double knuckle joint + Clevis pivot bracket

t !0

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 MB1 Series
Auto Switch Mounting
Auto Switch Proper Mounting Position (Detection at stroke end) and Its Mounting Height

Auto switch

≈ 1Note)

A B ≈ Hs

Auto Switch Proper Mounting Position [mm] Auto Switch Proper Mounting Height [mm]
Auto switch D-M9l D-Y59l/Y69l Auto switch
model D-M9lV model D-Y69l
D-Y7P/Y7PV D-M9lV
D-M9lW D-A9l D-Y7PV
D-M9lWV D-Y7lW/Y7lWV D-M9lWV
D-A9lV D-Y7lWV
D-M9lA D-Y7BA D-M9lAV
D-A9lV
D-M9lAV D-Z7l/Z80
Bore size A B A B A B Bore size Hs Hs
32 9.5 7.5 5.5 3.5 4.5 2.5 32 27 30
40 8.5 8 4.5 4 3.5 3 40 30 33
50 9 8.5 5 4.5 4 3.5 50 36 39
63 9 8.5 5 4.5 4 3.5 63 41 44
80 14 10.5 10 6.5 9 5.5 80 51 54
100 13.5 11 9.5 7 8.5 6 100 60.5 63.5
125 14.5 14.5 10.5 10.5 9.5 9.5 125 71.5 74.5
Note) Adjust the auto switch after confirming the operating conditions in the actual setting. Note) The above figures are for when the electrical entry
perpendicular types D-A9lV/M9lV/ M9lWV/M9lAV/
Y69l/Y7PV/Y7lWV are mounted.

Minimum Stroke for Auto Switch Mounting

[mm]
Bore size
Auto switch model Number of auto switches
32 40 50 63 80 100 125
With 2 pcs. (Different surfaces, Same surface) 10
D-M9l With 1 pc. 10
D-M9lV
With n pcs. 10 + 5 (n – 2) 10 + 10 (n – 2)
D-M9lW With 2 pcs. (Different surfaces, Same surface) 15 10
D-M9lWV With 1 pc. 15 10
D-M9lA
D-M9lAV With n pcs. 15 + 10 (n – 2) 10 + 10 (n – 2) 10 + 15 (n – 2)
With 2 pcs. (Different surfaces, Same surface) 10 15
D-A9l With 1 pc. 10
D-A9lV
With n pcs. 10 + 10 (n – 2) 10 + 15 (n – 2) 15 + 20 (n – 2)
With 2 pcs. (Different surfaces, Same surface) 15 10 15
D-Y59l/Y69l With 1 pc. 15 10 15
D-Y7P/Y7PV
With n pcs. 15 + 10 (n – 2) 10 + 10 (n – 2) 10 + 15 (n – 2) 15 + 15 (n – 2)
With 2 pcs. (Different surfaces, Same surface) 15 10 20
D-Y7lW With 1 pc. 15 10 20
D-Y7lWV
With n pcs. 15 + 10 (n – 2) 10 + 10 (n – 2) 10 + 15 (n – 2) 20 + 15 (n – 2)
With 2 pcs. (Different surfaces, Same surface) 20 15 20
D-Y7BA With 1 pc. 20 15 20
With n pcs. 20 + 10 (n – 2) 15 + 15 (n – 2) 20 + 15 (n – 2)
With 2 pcs. (Different surfaces, Same surface) 15
D-Z7l With 1 pc. 15
D-Z80
With n pcs. 15 + 15 (n – 2) 15 + 20 (n – 2)
Note 1) n = 3, 4, 5 …
Note 2) Center trunnion type is not included.
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 Auto Switch Mounting MB1 Series

Auto Switch Mounting Brackets/Part No. Operating Range

[mm]
Bore size [mm] Bore size
Auto switch model Auto switch model
32 to 125 32 40 50 63 80 100 125
D-M9l/M9lV Note)
D-M9l/M9lV
D-M9lW/M9lWV q BMP1-032
D-M9lW/M9lWV 4 4.5 5 6 6 6 7
D-M9lA/M9lAV w BMG2-012
D-M9lA/M9lAV
D-A9l/A9lV
D-A9l/A9lV 7 7.5 8 9 9.5 10.5 12.5
D-Y5l/Y7P D-Y59l/Y69l
D-Y7lW D-Y7P/Y7PV 5 4.5 5 5 6.5 7 7
D-Y6l/Y7PV q BMP1-032
D-Y7lW/Y7lWV
D-Y7lWV D-Y7BA
D-Y7BA D-Z7l/Z80 10 10 10 11 11 12 14
D-Z7l/Z80
* Values which include hysteresis are for guideline purposes only, they are not
Note) Two kinds of auto switch mounting brackets are used as a set. a guarantee (assuming approximately ±30% dispersion) and may change
substantially depending on the ambient environment.
D-M9l(V)/M9lW(V)/M9lA(V)/A9l(V)
qBMP1-032

wBMG2-012

Other than the applicable auto switches listed in “How to Order”, the following auto switches are mountable.
Refer to pages 1271 to 1365 for the detailed specifications.
Type Model Electrical entry Features
D-Y69A, Y69B, Y7PV —
Grommet (Perpendicular)
D-Y7NWV, Y7PWV, Y7BWV Diagnostic indication (2-color indicator)
Solid state D-Y59A, Y59B, Y7P —
D-Y7NW, Y7PW, Y7BW Grommet (In-line) Diagnostic indication (2-color indicator)
D-Y7BA Water resistant (2-color indicator)
D-Z73, Z76 —
Reed Grommet (In-line)
D-Z80 Without indicator light
* With pre-wired connector is also available for solid state auto switches. For details, refer to pages 1340 and 1341.
* Normally closed (NC = b contact) solid state auto switches (D-M9E(V)/Y7G/Y7H) are also available. For details, refer to pages 1290 and 1292.

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 MB1 Series
Made to Order: Individual Specifications
Please contact SMC for detailed dimensions, specifications and lead times.

Symbol
1 Fastener Strips Mounted on Switch Mounting Grooves -X846
It prevents splashing water or windblown dust to the cylinder body from making an ingress into the auto switch mounting groove and accumulating.

Applicable Series How to Order

Description Model Action Note Standard model no. X846
MB1 Double acting, Single rod
Standard type
MB1W Double acting, Double rod Fastener strips mounted on switch mounting grooves
Non-rotating rod type MB1K Double acting, Single rod

Specifications: Same as standard type

Dimensions (Dimensions other than below are the same as standard type.)
≈1

Auto switch mounting groove Fastener Specifications

Quantity 8 pcs. (6 pcs. when auto switches are mounted) Note)
Material Vinyl chloride
Note) These cannot be installed on switch mounting
grooves where auto switches have been mounted.

Sectional view

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