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Adjustable Shock Absorber Large Series RB-LROEM(XT)/RB-OEM(XT) (RB-OEMXT2.0MX2BL)

A shock absorber that can be adjusted for different collision speeds.
[Features]
· Built-in orifice opening/closing adjustment function.
· Absorbed energy is about 1.6 times that of conventional products.
· Adjustable.
· RB-LROEM (XT) low-speed type / RB-OEM (XT) standard type.
· Models available with or without cap included.
· Attached components: none / with lock collar / with stop collar / with rectangular flange / with square flange.
[Applications]
For use with robots, packing equipment, weaving machines, machine tools, etc.

(i)Caution

■ SMC Product Line
Webpages for products currently without individual pages on this site will be released on an ad-hoc basis.

■ Products Planned for Online Release
Air cylinder-related product pages will be released on this site on an ad-hoc basis.
CQ2/MG types, etc. are already available.
*Vacuum equipment, FRLs, solenoid valves, etc., will also be released on dedicated pages on this site on an ad-hoc basis
*The information above is correct as of December 2018.
Product images are representative images. Please refer to the catalog for detailed images.

Part Number

Configured Part Number is shown.

RB-OEMXT2.0MX2BL

Product Specifications
Part Numbers
Catalog

Adjustable Shock Absorber Large Series RB-LROEM(XT)/RB-OEM(XT) Specifications

Adjustable Shock Absorber Large Series RB-LROEM(XT)/RB-OEM(XT) external appearance

Low-Speed Type RB-LROEM Series

Model		RB-LROEMXT 1.5M × 1	RB-LROEMXT 1.5M × 2	RB-LROEMXT 2.0M × 2
Max. Absorbed Energy (J)		425	850	2,260
Outer Diameter Thread Size		M42 × 1.5		M64 × 2.0
Stroke Absorption (mm)		25	50	50
Collision Speed (m/s)^*		0.08 to 1.3		0.08 to 0.8
Max. Absorbed Energy per Hour (J/hr)		126,000	167,000	271,000
Max. Drag Value (N)^Note		20,000	20,000	51,000
Equivalent Mass Range (kg)		240 to 142,000	480 to 284,000	800 to 771,000
Spring Force (N)	Extended	49	49	76
Spring Force (N)	Compressed	68	80	155
Max. Thrust (N)		6,660	6,660	17,760
Temperature Range (°C)		-10 to +80
Weight (kg)		1.3	1.7	3.6
Attachable Components	Cap	✓	✓	✓
	Stop Collar	✓	✓	✓
	Rectangular Flange	✓	✓	-
	Square Flange	-	-	✓
	Lock Collar	✓	✓	✓

Note: The maximum drag value is the impact force arising from collision when used at maximum absorbed energy.
*Indicates collision speed when one unit is used individually. If using two or more units in parallel, please refer to the catalog.

Standard Type / RB-OEM Series

Model		RB-OEMXT 1.5M × 1	RB-OEMXT 1.5M × 2	RB-OEMXT 1.5M × 3	RB-OEMXT 2.0M × 2	RB-OEMXT 2.0M × 4	RB-OEMXT 2.0M × 6	RB-OEM 3.0M × 2	RB-OEM 3.0M × 3.5	RB-OEM 3.0M × 5	RB-OEM 3.0M × 6.5
Max. Absorbed Energy (J)		425	850	1,300	2,260	4,520	6,780	2,300	4,000	5,700	7,300
Outer Diameter Thread Size		M42 × 1.5			M64 × 2.0			M85 × 2.0
Stroke Absorption (mm)		25	50	75	50	100	150	50	90	125	165
Collision Speed (m/s)^*		0.3 to 3.5						0.3 to 4.3
Max. Absorbed Energy per Hour (J/hr)		126,000	167,000	201,000	271,000	362,000	421,000	372,000	652,000	933,000	1,215,000
Max. Drag Value (N)^Note		20,000	20,000	20,000	51,000	51,000	51,000	67,000	67,000	67,000	67,000
Equivalent Mass Range (kg)		25 to 9,000	45 to 18,000	54 to 27,000	75 to 47,000	118 to 94,000	130 to 141,000	195 to 36,000	215 to 36,000	220 to 51,000	300 to 56,700
Spring Force (N)	Extended	49	32	32	76	69	90	110	110	70	120
Spring Force (N)	Compressed	68	68	80	155	160	285	196	196	196	330
Max. Thrust (N)		2,890	2,890	2,890	6,660	6,660	6,660	12,000	12,000	12,000	12,000
Temperature Range (°C)		-10 to +80
Weight (kg)		1.3	1.7	2.1	3.6	4.9	6.4	5.7	6.8	8.2	10.2
Attachable Components	Cap	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓
	Stop Collar	✓	✓	✓	✓	✓	✓	-	-	-	-
	Rectangular Flange	✓	✓	✓	-	-	-	-	-	-	-
	Square Flange	-	-	-	✓	✓	✓	✓	✓	✓	✓
	Lock Collar	✓	✓	✓	✓	✓	✓	✓	✓	✓	✓

List of Dimensions When Stop Collar Is Attached

List of dimensions for when RB-(LR)OEMXT1.5M × 1 / RB-(LR)OEMXT2.0M × 2 are attached

List of dimensions for when RB-(LR)OEMXT1.5M × 1 and RB-(LR)OEMXT2.0M × 2 are attached

RB-OEMXT1.5M × 1 / RB-LROEMXT1.5M × 1

No cap: stroke: 25 mm; A: 0 mm; allowable difference: 0 to 5 mm
With cap: stroke: 25 mm; A: 18 mm; allowable difference: 0 to 4 mm

RB-OEMXT2.0M × 2/RB-LROEMXT2.0M × 2

No cap: stroke: 50 mm; A: 0 mm; allowable difference: 0 to 10 mm
With cap: stroke: 50 mm; A: 17 mm; allowable difference: 0 to 10 mm

List of dimensions for when RB-(LR)OEMXT1.5M × 2, RB-(LR)OEMXT1.5M × 3, RB-(LR)OEMXT2.0M × 4 and RB-(LR)OEMXT2.0M × 6 are attached

RB-OEMXT1.5M × 2 / RB-LROEMXT1.5M × 2

No cap: stroke: 50 mm; A: 13 mm; allowable difference: 0 to 10 mm
With cap: stroke: 50 mm; A: 31 mm; allowable difference: 0 to 4 mm

RB-OEMXT1.5M × 3

No cap: stroke: 75 mm; A: 26 mm; allowable difference: 0 to 15 mm
With cap: stroke: 75 mm; A: 44 mm; allowable difference: 0 to 4 mm

RB-OEMXT2.0M × 4

No cap: stroke: 100 mm; A: 27 mm; allowable difference: 0 to 20 mm
With cap: stroke: 100 mm; A: 44 mm; allowable difference: 0 to 19 mm

RB-OEMXT2.0M × 6

No cap: stroke: 150 mm; A: 26 mm; allowable difference: 0 to 30 mm
With cap: stroke: 150 mm; A: 43 mm; allowable difference: 0 to 13 mm

*Dimension A indicates the available space for the shock absorber thread ridge when full stroke is used with the stop collar attached.
Example: RB-OEMXT2.0M × 2, without cap
When using with a stop collar affixed and a full stroke of 50 mm, dimension A is 0 mm, meaning that a lock collar cannot be used.
Also, when mounting to a frame, affix using the thread ridge at the rear of the unit.
*The term "allowable difference" refers to how much the stop collar can travel when the unit is used at less than full stroke.
Example: RB-OEMXT1.5M × 1B, with cap
When using a stop collar and the desired stopping point is at 20 mm of stroke, as 25 mm−20 mm=5 mm exceeds the allowable difference of 4 mm, a stop collar will not seat to the shock absorber thread ridge.
Please install it with a stroke of at least 21 mm.
*As energy absorption is reduced when used at a stroke shorter than full stroke, please check that there are no remaining impacts before using.

Notes

*Absorbed Energy
Please select your product so that the total collision energy does not exceed the displayed maximum absorbed energy. This can lead to changes in characteristics and cause damage to the shock absorber.
*Collision Speed
Please make sure that collision speed is within the specified range. Neglecting to do so can lead to changes in damping properties and cause damage to the shock absorber.
*Parallel Use
The minimum speed is as follows:
RB-OEM Series: at least 0.8 m/s
RB-LROEM Series: at least 0.3 m/s
Please set up guides, etc. for colliding objects to ensure loads are balanced. Also, please make sure that the energy per unit is less than 60% of the maximum absorbed energy.
*Please refer to the catalog for product information other than the above.

: 30; 45; 60

Part Number
RB-OEMXT2.0MX2BL

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Nominal Mounting Screw [M]	Overall Length L (mm)	Stroke S (mm)	Max. Absorbed Energy (J)	Mounting Screw Nominal M	Max. Collision Velocity (m/s)	Min. Collision Velocity (m/s)	Equivalent Mass (kgf)	Max. Resisting Force Value (N)	Outer Dia. D (Ø)	Absorbed Energy per Minute (J/min)	With cap	Option
	MYR 4,235.97	1 Piece(s)		27 Day(s) or more	64	243	50	2,260	M64 × 2.0	3.5	0.3	75 to 47,000	51,000	77	4,516.7	With cap	With lock collar

Basic Information

Structure	Adjustable Type	Main Body, Related Components	Main Body	Orifice Type	Irregular Multi Orifice Type
Operating Environment	Standard	Operating Temperature Range(°C)	-10 to 80

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

type
- RB-LROEM
- RB-OEM
Clear
Nominal Mounting Screw [M]
42

64

85
Clear
Overall Length L(mm)
162

213

226

243

264

265

343

345

419

473

514
Clear
Stroke S(mm)
25

50

75

90

100

125

150

165
Clear
Max. Absorbed Energy(J)
1,300

2,260

2,300

4,000

4,520

5,700

6,780

7,300

425

850
Clear
Max. Collision Velocity(m/s)
0.8

1.3

3.5

4.3
Clear
Min. Collision Velocity(m/s)
0.08

0.3
Clear
Equivalent Mass(kgf)
25 to 9,000

45 to 18,000

54 to 27,000

75 to 47,000

118 to 94,000

130 to 141,000

195 to 36,000

215 to 36,000

220 to 51,000

240 to 142,000

300 to 56,700

480 to 284,000

800 to 771,000
Clear
Max. Resisting Force Value(N)
20,000

51,000

67,000
Clear
Outer Dia. D(Ø)
58

77

98
Clear
Absorbed Energy per Minute(J/min)
2,100

2,783.3

3,350

4,516.7

6,033.3

6,200

7,016.7

10,866.7

15,550

20,250
Clear
With cap
- No
- With cap
Clear
Option
- None
- With lock collar
- With lock collar and rectangular flange
- With lock collar and square flange
- With lock collar and stop collar
- With lock collar, stop collar and rectangular flange
- With lock collar, stop collar and square flange
- With rectangular flange
- With square flange
- With stop collar
- With stop collar and rectangular flange
- With stop collar and square flange
Clear

Days to Ship

All

24 Day(s) or Less

27 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Adjustable Shock Absorber Large Series RB-LROEM(XT)/RB-OEM(XT) (RB-OEMXT2.0MX2BL)

(i)Caution

Adjustable Shock Absorber Large Series RB-LROEM(XT)/RB-OEM(XT) Specifications

Low-Speed Type RB-LROEM Series

Standard Type / RB-OEM Series

List of Dimensions When Stop Collar Is Attached

Notes

Basic Information

Configure

Specification/Dimensions

type

Nominal Mounting Screw [M]

Overall Length L(mm)

Stroke S(mm)

Max. Absorbed Energy(J)

Max. Collision Velocity(m/s)

Min. Collision Velocity(m/s)

Equivalent Mass(kgf)

Max. Resisting Force Value(N)

Outer Dia. D(Ø)

Absorbed Energy per Minute(J/min)

With cap

Option

Days to Ship

Specify Alterations

Additional Products in this Category

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