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Shock Absorber, RB Series (Part Numbers)

SMC

Shock absorber by SMC.
[Features]
· Absorbs impact and noise.
· Compact type that has been shortened lengthwise.
· Allowable deviation angle is 5°
· Ideal for absorption of rotational energy.
· Can be used without an external stopper.
· The robust body can be positioned directly.
· Automatically adjusts to the most appropriate energy absorption performance.

(i)Caution

Please refer to the catalog for specification details.
Product images are representative images. Please refer to the catalog for detailed shapes.

Part Number

Configured Part Number is shown.

Product Specifications
Part Numbers
Catalog

Shock Absorber RB Series Specifications

Shock Absorber RB Series (Basic Type) external appearance

Shock Absorber RB Series (With Cap) external appearance

Specifications	Model
	Basic Type	RB0604	RB0805	RB0806	RB1006	RB1007	RB1411	RB1412	RB2015	RB2725
	With Cap	-	RBC0805	RBC0806	RBC1006	RBC1007	RBC1411	RBC1412	RBC2015	RBC2725
Max. Absorbed Energy (J)^*		0.5	0.98	2.94	3.92	5.88	14.7	19.6	58.8	147
Outer Diameter Thread Size		M6 × 0.75	M8 × 1.0		M10 × 1.0		M14 × 1.5		M20 × 1.5	M27 × 1.5
Stroke (mm)		4	5	6	6	7	11	12	15	25
Collision Speed (m/s)		0.3 to 1.0	0.05 to 5.0
Max. Operating Frequency (cycle/min)		80	80	80	70	70	45	45	25	10
Max. Allowable Thrust (N)		150	245	245	422	422	814	814	1,961	2,942
Ambient Temperature Range (°C)		-10 to +80 (provided that it does not freeze)
Spring Force (N)	Extended	3.05	1.96	1.96	4.22	4.22	6.86	6.86	8.34	8.83
Spring Force (N)	Compressed	5.59	3.83	4.22	6.18	6.86	15.30	15.98	20.50	20.01
Weight (g)	Basic Type	5.5	15	15	23	23	65	65	150	350
Weight (g)	With Cap	-	16	16	25	25	70	70	165	400

*Max. absorbed energy, max. equivalent mass and max. operating frequency are the values at room temperature (20 to 25°C).

Structural Diagram / Component Parts

RB0604 structural diagram

Number	Part Name	Material	Treatment
1	Outer tube	Free-cutting steel	Nitriding treatment
2	Piston	Copper alloy	-
3	Spring guide	Stainless steel	-
4	Piston rod	Carbon steel	Nitriding treatment
5	Stopper	Stainless steel	-
6	Bearing	Copper alloy	-
7	Return spring	Piano wire	Zinc trivalent chromate
8	Rod seal	NBR	-
9	Accumulator	NBR	Foam rubber
10	Steel ball	Bearing steel	-
11	Hex socket set screw	Special steel	Nickel plating
12	Hex nut	Carbon steel	Nickel plating

RB□0805 to RB□2725 structural diagram

Number	Part Name	Material	Treatment
1	Outer tube	Rolled steel	Gray coating
2	Inner tube	Special steel	Heat treated
3	Piston rod	Special steel	Electroless nickel plating
4	Piston	Special steel	Heat treated
5	Bearing	Special bearing steel	-
6	Spring guide	Carbon steel	Zinc chromate
7	Lock ring	Copper	-
8	Return spring	Piano wire	Zinc chromate
9	Seal holder	Copper alloy	-
10	Stopper	Carbon steel	Zinc chromate
11	Steel ball	Bearing steel	-
12	Set screw	Special steel	-
13	Accumulator	NBR	Foam rubber
14	Rod seal	NBR	-
15	Scraper	NBR	-
16	Gasket	NBR	-
17	Gasket	NBR	RB(C)2015/2725 only

Dimensional Outline Drawing

(Units: mm)

RB0604 dimensional drawing

Hex nut (2 pcs. as standard) dimensional drawing

Basic Type: RB0805/RB0806/RB1006/RB1007 dimensional drawing

With cap: RBC0805/RBC0806/RBC1006/RBC1007 dimensional drawing

*Dimensions other than those listed below are the same as the Basic Type.

(Units: mm)

Model		Basic Type Dimensions										*With Cap			Hex Nut Dimensions
Basic Type	With Cap	D	E₁	E₂	F	H	a	L	LL	MM	S	E₃	LL	Z	B	C	h
RB0805	RBC0805	2.8	6.8	6.6	2.4	5	1.4	33.4	45.8	M8 × 1.0	40.8	6.8	54.3	8.5	12	13.9	4
RB0806	RBC0806	2.8	6.8	6.6	2.4	6	1.4	33.4	46.8	M8 × 1.0	40.8	6.8	55.3	8.5	12	13.9	4
RB1006	RBC1006	3	8.8	8.6	2.7	6	1.4	39	52.7	M10 × 1.0	46.7	8.7	62.7	10	14	16.2	4
RB1007	RBC1007	3	8.8	8.6	2.7	7	1.4	39	53.7	M10 × 1.0	46.7	8.7	63.7	10	14	16.2	4

Basic Type: RB1411/RB1412/RB2015/RB2725 dimensional drawing

With cap: RBC1411/RBC1412/RBC2015/RBC2725 dimensional drawing

*Dimensions other than those listed below are the same as the Basic Type.

(Units: mm)

Model		Basic Type Dimensions										*With Cap			Hex Nut Dimensions
Basic Type	With Cap	D	E₁	E₂	F	H	K	L	LL	MM	S	E₃	LL	Z	B	C	h
RB1411	RBC1411	5	12.2	12	3.5	11	12	58.8	78.3	M14 × 1.5	67.3	12	91.8	13.5	19	21.9	6
RB1412	RBC1412	5	12.2	12	3.5	12	12	58.8	79.3	M14 × 1.5	67.3	12	92.8	13.5	19	21.9	6
RB2015	RBC2015	6	18.2	18	4	15	18	62.2	88.2	M20 × 1.5	73.2	18	105.2	17	27	31.2	6
RB2725	RBC2725	8	25.2	25	5	25	25	86	124	M27 × 1.5	99	25	147	23	36	41.6	6

*Please see catalog for information other than the above.
*Image is of a representative model.

: 30; 60; 90

Part Number
RBC2015SN
RBC2725
RBC2725J
RBC2725N
RBC2725S
RBC2725SJ
RBC2725SN

Standard Unit Price	Minimum order quantity	Days to Ship	Stroke S (mm)	Mounting Screw Nominal M	Nominal Mounting Screw [M]	Max. Absorbed Energy (J)	Operating Environment	Body Material	Max. Collision Velocity (m/s)	Min. Collision Velocity (m/s)	Overall Length L (mm)	Max. Resisting Force Value (N)	Max. Operating Cycle (cycle/min)	Operating Temperature Range (°C)	Collision speed range (m/s)	With cap	Option
-	1 Piece(s)	Quote	15	M20	20	58.8	Standard	[Steel] Rolled Steel	5	0.05	88.2	1,961	25	-10 to 80	0.05 to 5.0	With cap	Stopper nut: 1 pc.
MYR 625.52	1 Piece(s)	32 Day(s)	25	M27	27	147	Standard	[Steel] Rolled Steel	5	0.05	124	2,942	10	-10 to 80	0.05 to 5.0	With cap	Hexagon nut: 2 pcs.
MYR 651.10	1 Piece(s)	21 Day(s)	25	M27	27	147	Standard	[Steel] Rolled Steel	5	0.05	124	2,942	10	-10 to 80	0.05 to 5.0	With cap	Hex nut: 3 pcs.
-	1 Piece(s)	Quote	25	M27	27	147	Standard	[Steel] Rolled Steel	5	0.05	124	2,942	10	-10 to 80	0.05 to 5.0	With cap	None
MYR 625.52	1 Piece(s)	21 Day(s)	25	M27	27	147	Standard	[Steel] Rolled Steel	5	0.05	124	2,942	10	-10 to 80	0.05 to 5.0	With cap	Hexagon nut: 2 pcs. / Stopper nut: 1 pc.
MYR 651.10	1 Piece(s)	21 Day(s)	25	M27	27	147	Standard	[Steel] Rolled Steel	5	0.05	124	2,942	10	-10 to 80	0.05 to 5.0	With cap	Hex nut: 3 pcs. / Stopper nut: 1 pc.
-	1 Piece(s)	Quote	25	M27	27	147	Standard	[Steel] Rolled Steel	5	0.05	124	2,942	10	-10 to 80	0.05 to 5.0	With cap	Stopper nut: 1 pc.

Basic Information

Main Body, Related Components	Main Body	Structure	Fixed Type	Orifice Type	Multi Orifice Type

Configure

97 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Stroke S(mm)
4

5

6

7

11

12

15

25
Clear
Nominal Mounting Screw [M]
6

8

10

14

20

27
Clear
Max. Absorbed Energy(J)
0.5

0.98

2.94

3.92

5.88

14.7

19.6

58.8

147
Clear
Operating Environment
- Standard
- Copper Group not Used
Clear
Body Material
- Steel
  - Free-Cutting Steel
  - Rolled Steel
Clear
Max. Collision Velocity(m/s)
1

5
Clear
Min. Collision Velocity(m/s)
0.05

0.3
Clear
Overall Length L(mm)
32.5

45.8

46.8

52.7

53.7

54.3

55.3

62.7

63.7

78.3

79.3

88.2

91.8

92.8

105.2

124

147
Clear
Max. Resisting Force Value(N)
1,961

2,942

150

245

422

814
Clear
Max. Operating Cycle(cycle/min)
10

25

45

70

80
Clear
Collision speed range(m/s)
0.05 to 5.0

0.3 to 1.0
Clear
With cap
- No
- With cap
Clear
Option
- Stopper nut: 1 pc.
- Hexagon nut: 2 pcs.
- Hexagon nut: 2 pcs. / Stopper nut: 1 pc.
- Hex nut: 3 pcs.
- Hex nut: 3 pcs. / Stopper nut: 1 pc.
- None
Clear
type
- 20-RB
- 20-RBC
- RB
- RBC
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

21 Day(s) or Less

31 Day(s) or Less

32 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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Shock Absorber, RB Series (Part Numbers)

(i)Caution

Shock Absorber RB Series Specifications

Structural Diagram / Component Parts

Dimensional Outline Drawing

Basic Information

Configure

Specification/Dimensions

Stroke S(mm)

Nominal Mounting Screw [M]

Max. Absorbed Energy(J)

Operating Environment

Body Material

Max. Collision Velocity(m/s)

Min. Collision Velocity(m/s)

Overall Length L(mm)

Max. Resisting Force Value(N)

Max. Operating Cycle(cycle/min)

Collision speed range(m/s)

With cap

Option

type

CAD

Days to Ship

Specify Alterations

Additional Products in this Category

Tech Support

Payment Method

About MISUMI

About this Website

Useful Tools

Customer Service

Social Media

MISUMI Contact 9am – 6pm (Mon – Fri) * Order cut-off time is 5pm, 9am – 1pm(Sat) * Order cut-off time is 12pm