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Cylinder With Lock, Double Acting, Single Rod MNB Series (Part Numbers)

Cylinder With Lock, Double Acting, Single Rod MNB Series

A standard cylinder that can be locked in both directions.
[Features]
· An air cylinder with lock. Suitable for intermediate stops, emergency stops and drop prevention.
· Uses the wedge effect to magnify the force applied to the taper ring and steel balls.
· Can be used from 50 to 1,000 mm/s if within the allowable kinetic energy range.
· High locking efficiency. Structured so as not to be impacted by the quality of the lock-release air.
· Manual override for unlocking.
· High reliability and stable holding force.
*See the SMC catalog for specification details.
*Product pictures are representative images. CAD data is not supported for some model numbers.

(i)Caution

  • ■ SMC Product Line
    Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.
  • Refer to the manufacturer's catalog for specification and material details.
  • Product images may be representative images. Refer to the manufacturer's catalog for shape details.​
  • CAD data is not supported for some model numbers.

PDF

Cylinder With Lock, Double Acting, Single Rod MNB Series Specifications

Cylinder With Lock, Double Acting, Single Rod MNB Series external appearance

Cylinder With Lock, Double Acting, Single Rod MNB Series external appearance

Tube Internal Diameter (mm)16
ActionDouble acting, single rod
LubricationNot required (non-lubricated)
Locking MethodSpring lock (exhaust locking)
Pneumatic (pressurized locking)
Spring/pneumatic combination lock
FluidAir
Proof Pressure1.05 MPa
Maximum operating pressure0.7 MPa
Minimum operating pressure0.08 MPa
Ambient and Fluid TemperatureWithout auto switch: -10°C to 70°C (No freezing)
With auto switch: -10°C to 60°C (No freezing)
Piston Speed*50 to 500 mm/s
CushioningRubber cushion
Stroke Length Tolerance+1.0
0
Mount Support TypeBasic type, axial foot type, rod-end flange type, double clevis type

*Load restrictions exist depending upon piston speed when locked, mounting direction and operating pressure.

Lock Specifications

Tube Inner Diameter (mm)3240506380100
Locking ActionSpring locking (exhaust locking)
Unlocking pressure0.25 MPa or more
Locking Starting Pressure0.20 MPa or less
Maximum Operating Pressure1.0 MPa
Locking DirectionBidirectional
Holding Force (Maximum Static Load) N*5528821,3702,1603,4305,390

*The holding force (maximum static load) indicates the maximum capacity, not the normal holding capacity. Therefore, be sure to select the cylinder upon checking the details in the SMC catalog.

Single Rod Weight Table / Aluminum Tube

 

(Unit: kg)

 

Tube Inner Diameter (mm)3240506380100
Basic weightBasic type1.201.722.764.066.8510.26
Foot type1.301.842.944.327.2810.85
Flange type1.442.043.294.808.3013.57
Single clevis1.451.983.104.697.9613.43
Double clevis type1.461.993.194.858.2513.95
Additional weight per 50 strokeAll mounting brackets0.110.160.260.270.420.56
AccessoriesSingle knuckle joint0.150.230.260.260.600.83
Double knuckle joint (with pin)0.220.370.430.430.871.27

Calculation (Example) MNBB32-100-D (basic type, ø32 mm, 100 st)

  • Basic weight: 1.20 kg (Basic type, ø32 mm)
  • Additional weight: 0.11 kg / 50 stroke
  • Cylinder stroke: 100 stroke

1.20 + 0.11 × 100/50 = 1.42 kg

Construction Principle Drawings

Construction principle drawing (locked state)

Construction principle drawing (locked state)

Construction principle drawing (unlocked state)

Construction principle drawing (unlocked state)

Spring lock (exhaust locking)

The spring force that acts on the taper ring is magnified by a wedge effect, and is conveyed to the numerous steel balls that are arranged in 2 rows. These act on the brake shoe holder and brake shoe, which locks the piston rod by tightening it using a large force.
Unlocking is accomplished when air pressure is supplied to the unlocking port. The brake piston and taper ring oppose the spring force, moving to the right side, and the ball retainer strikes cover section A. The braking force is released as the steel balls are moved away from the taper ring by the ball retainer.

Diagram

Cylinder With Lock, Double Acting, Single Rod MNB Series diagram

Cylinder With Lock, Double Acting, Single Rod MNB Series diagram

NumberPart NameMaterialNotes
1Rod coverAluminum alloyHard anodized aluminum with metallic coating
2Head coverDiecast aluminumChromate with metallic coating
3CoverAluminum alloyHard anodized aluminum with metallic coating
4Cylinder TubingAluminum alloyHard anodized aluminum
5Piston rodCarbon steelHard chrome plated
6PistonAluminum alloyChromate
7Taper RingCarbon steelHeat treated
8Ball RetainerSpecial resin-
9Piston GuideCarbon steelZinc chromate
10Brake Shoe HolderSpecial steelHeat treated
11Release
Piston
ø32 mm, ø80 mm, ø100 mmAluminum alloyChromate
ø40 mm, ø50 mm, ø63 mmHard anodized aluminum
12Release Piston BushingSteel and special resinø32 mm, ø80 mm, ø100 mm only
13Unlocking CamChrome molybdenum steelGlossy chromate
14WasherCarbon steelColorless zinc chromate
15Retainer Pre-Load
Spring
ø32 mmSteel wireZinc chromate
ø40 to 100 mmStainless steel wire-
16Brake SpringSteel wireZinc chromate
17Clip AStainless steel-
18Clip BStainless steel-
19Steel Ball ACarbon steel-
20Steel Ball BCarbon steel-
21Tooth RingStainless steel-
22DamperPolyurethane rubber-
23Type C Retaining Ring for Unlocking Cam ShaftCarbon steel-
24Type C Retaining Ring for Taper RingCarbon steel-
25Brake ShoeSpecial friction material-
26Tie-RodCarbon steelZinc chromate
27BushingResin/Copper alloy (Multiple layers)-
28Cushion RingAluminum alloyAnodized aluminum
29Cushion ValveSteel wire-
30Wear RingResin-
31Unit Holding Tie-RodCarbon steelBright chromate ø80 mm and ø100 mm only
32BC Element--
33Tie-Rod NutCarbon steel-
34Rod End NutCarbon steel-
35Hex Socket Head Cap ScrewChrome molybdenum steelø32 to 63 mm
36Spring Washer for Hex Socket Head Cap ScrewSteel wireø32 to 63 mm
37Retaining RingSteel for spring-
38Piston SealNBR-
39Cylinder Tube GasketNBR-
40Rod Seal ANBR-
41Cushion SealNBR-
42Cushion Valve SealNBR-
43Piston GasketNBR-
44Release Piston SealNBR-
45Rod Seal BNBR-
46Release Piston GasketNBR-
47Piston Guide GasketNBR-
48Unlocking Cam GasketNBR-
 

Dimensional drawing

 

(Units: mm)

 

Basic type (B): MNBB dimensional drawing

Basic type (B): MNBB dimensional drawing

Axial foot type (L): MNBL dimensional drawing

Axial foot type (L): MNBL dimensional drawing

Rod-end flange type (F): MNBF dimensional drawing

Rod-end flange type (F): MNBF dimensional drawing

Head end flange type (G): MNBG dimensional drawing

Head end flange type (G): MNBG dimensional drawing

*See the manufacturer's catalog for dimensional drawings and values other than those provided above.

Part Number
MDNBB50-400-D-A93
MDNBB50-400-D-A93L
MDNBB50-400-D-A933
MDNBB50-400-D-J59L
MDNBB50-400-D-J59WZS
MDNBB50-400-D-M9B3
MDNBB50-400-D-M9BAL
MDNBB50-400-D-M9BL
MDNBB50-400-D-M9BSBPC
MDNBB50-400-D-M9BW
MDNBB50-400-D-M9BWL
MDNBB50-400-D-M9BWZS
MDNBB50-400-D-M9NW
MDNBB50-400-D-M9P
MDNBB50-400-D-M9PZ
MDNBB50-400-D-P4DWSC
MDNBB50-400-D-P4DWSC4
MDNBB50-400-D-P5DWZ-XC35
MDNBB50-400-D-P5DWZS-XC35
MDNBB50-400-D-XC35
MDNBB50-400-D-Y7BWL
MDNBB50-400-D-Y7BWS
MDNBB50-400-D-Y59A
MDNBB50-400-D-Y59B
MDNBB50-400-D-Y59B3
MDNBB50-400-D-Z73L
MDNBB50-400-D-Z73LS
MDNBB50-400-D-Z734
MDNBB50-400K-D
MDNBB50-400K-D-Z76
MDNBB50-410-D
MDNBB50-425-D
MDNBB50-430-D
MDNBB50-450-D
MDNBB50-450-D-A53S
MDNBB50-450-D-A54L
MDNBB50-450-D-A54Z6
MDNBB50-450-D-A93L
MDNBB50-450-D-A93L3
MDNBB50-450-D-M9BA
MDNBB50-450-D-M9BAZ7
MDNBB50-450-D-M9BL
MDNBB50-450-D-M9BL3
MDNBB50-450-D-M9BSDPC
MDNBB50-450-D-M9BWL
MDNBB50-450-D-M9BWLS
MDNBB50-450-D-M9BWVSDPC
MDNBB50-450-D-M9BWZ
MDNBB50-450-D-Y7BAL
MDNBB50-450-D-Y7BW
MDNBB50-450-D-Y7BWL
MDNBB50-450-D-Y59BLS
MDNBB50-450-D-Z73L
MDNBB50-485-D
MDNBB50-500-D
MDNBB50-500-D-A53L
MDNBB50-500-D-A54
MDNBB50-500-D-A54L
MDNBB50-500-D-A93
MDNBB50-500-D-A93L
MDNBB50-500-D-A93L3
MDNBB50-500-D-A543
MDNBB50-500-D-M9B3
MDNBB50-500-D-M9BAL
MDNBB50-500-D-M9BL
MDNBB50-500-D-M9BLS
MDNBB50-500-D-M9BWL
MDNBB50-500-D-P3DWAS
MDNBB50-500-D-P3DWASC
MDNBB50-500-D-P5DWZ-XC35
MDNBB50-500-D-P5DWZS-XC35
MDNBB50-500-D-XC35
MDNBB50-500-D-Y7BW
MDNBB50-500-D-Y7BWL
MDNBB50-500-D-Y7BWS
MDNBB50-500-D-Y7BWSDPC
MDNBB50-500-D-Y7PL
MDNBB50-500-D-Y59BL
MDNBB50-500-D-Y59BZ
MDNBB50-500-D-Y59BZ3
MDNBB50-500-D-Z73
MDNBB50-500-D-Z73L
MDNBB50-500-D-Z73L3
MDNBB50-500J-D
MDNBB50-510-D
MDNBB50-520-D-A93Z
MDNBB50-520-D-A93Z3
MDNBB50-520-D-Z73L5
MDNBB50-540-D
MDNBB50-540-D-M9BL
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipCylinder (Tube) Inner Diameter
(Ø)
Stroke
(mm)
Specifications Port thread type Auto Switches Lead Wire The number of the switches Type of Mount Support Bellows Custom-made Specifications

-

1 Piece(s) Quote 50400Built-in magnetRcA930.52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcA9332Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcA930.53Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcJ5932Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcJ59W51Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9B0.53Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9BA32Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9B32Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9B0.5 (M8 4-pin plug connector)2Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9BW0.52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9BW32Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9BW51Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9NW0.52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9P0.52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcM9P52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcP4DW0.5 (SC type)2Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcP4DW0.5 (SC type)4Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcP5DW52Basic typeNoneWith coil scraper

-

1 Piece(s) Quote 50400Built-in magnetRcP5DW51Basic typeNoneWith coil scraper

-

1 Piece(s) Quote 50400Built-in magnetRcWithout switch--Basic typeNoneWith coil scraper

-

1 Piece(s) Quote 50400Built-in magnetRcY7BW32Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcY7BW0.51Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcY59A0.52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcY59B0.52Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcY59B0.53Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcZ7332Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcZ7331Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcZ730.54Basic typeNoneNone

-

1 Piece(s) Quote 50400Built-in magnetRcWithout switch--Basic typeHeat-resistant tarpaulinNone

-

1 Piece(s) Quote 50400Built-in magnetRcZ760.52Basic typeHeat-resistant tarpaulinNone

-

1 Piece(s) Quote 50410Built-in magnetRcWithout switch--Basic typeNoneNone

-

1 Piece(s) Quote 50425Built-in magnetRcWithout switch--Basic typeNoneNone

-

1 Piece(s) Quote 50430Built-in magnetRcWithout switch--Basic typeNoneNone

8,051,130 IDR

1 Piece(s) 20 Day(s) 50450Built-in magnetRcWithout switch--Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcA530.51Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcA5432Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcA5456Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcA9332Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcA9333Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9BA0.52Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9BA57Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9B32Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9B33Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9B0.5 (M12 4-pin A-cord [normal-key] plug connector)2Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9BW32Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9BW31Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9BWV0.5 (M12 4-pin A-cord [normal-key] plug connector)2Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcM9BW52Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcY7BA32Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcY7BW0.52Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcY7BW32Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcY59B31Basic typeNoneNone

-

1 Piece(s) Quote 50450Built-in magnetRcZ7332Basic typeNoneNone

-

1 Piece(s) Quote 50485Built-in magnetRcWithout switch--Basic typeNoneNone

8,236,350 IDR

1 Piece(s) 31 Day(s) 50500Built-in magnetRcWithout switch--Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA5332Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA540.52Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA5432Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA930.52Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA9332Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA9333Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcA540.53Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcM9B0.53Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcM9BA32Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcM9B32Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcM9B31Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcM9BW32Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcP3DWA0.51Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcP3DWA0.5 (SC type)2Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcP5DW52Basic typeNoneWith coil scraper

-

1 Piece(s) Quote 50500Built-in magnetRcP5DW51Basic typeNoneWith coil scraper

-

1 Piece(s) Quote 50500Built-in magnetRcWithout switch--Basic typeNoneWith coil scraper

-

1 Piece(s) Quote 50500Built-in magnetRcY7BW0.52Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY7BW32Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY7BW0.51Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY7BW0.5 (M12 4-pin A-cord [normal-key] plug connector)2Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY7P32Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY59B32Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY59B52Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcY59B53Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcZ730.52Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcZ7332Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcZ7333Basic typeNoneNone

-

1 Piece(s) Quote 50500Built-in magnetRcWithout switch--Basic typeNylon tarpaulinNone

-

1 Piece(s) Quote 50510Built-in magnetRcWithout switch--Basic typeNoneNone

-

1 Piece(s) Quote 50520Built-in magnetRcA9352Basic typeNoneNone

-

1 Piece(s) Quote 50520Built-in magnetRcA9353Basic typeNoneNone

-

1 Piece(s) Quote 50520Built-in magnetRcZ7335Basic typeNoneNone

-

1 Piece(s) Quote 50540Built-in magnetRcWithout switch--Basic typeNoneNone

-

1 Piece(s) Quote 50540Built-in magnetRcM9B32Basic typeNoneNone

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Basic Information

Cylinder Operation Method Double Acting Rod Operation Method Single Rods Main Body Shape Standard
Additional Function With fall prevention function / With Brake / With Intermediate Stop Function Environment, Applications Standard Cushion Air cushion on both sides
Operating Pressure(MPa) 0.08 to 1.0 Locking Direction Bidirectional

Tech Support

Factory Automation, Electronics, Tools, & MRO (Maintenance, Repair and Operations)
Tel:021-8990-4102 / FAX:021-8990-5803
8:30am - 5:30pm (Monday - Friday)