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Part Number Complete

RB0604J

Min. Collision Velocity Overall Length L type Stroke S Nominal Mounting Screw [M] Max. Absorbed Energy Operating Environment Body Material Max. Collision Velocity Max. Resisting Force Value Max. Operating Cycle Collision speed range With cap Option CAD Days to Ship

Specification/Dimensions

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
type
- 20-RB
- 20-RBC
- RB
- RBC
Clear
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
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
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day

3 Day(s) or Less

18 Day(s) or Less

45 Day(s) or Less

55 Day(s) or Less
Clear

Specify Alterations

Shock Absorber, RB Series (RB0604J)

SMC SHOCK ABSORBER

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SMC

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Days to Ship :

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CAD Download

(i)Caution

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

Product Description

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.

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
RB0604J

Part Number	Price	Name	Minimum Order Qty.	Volume Discount	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
	฿ 7,922.00	SMC SHOCK ABSORBER	1 Piece(s)		55 Day(s)	4	M6×0.75	6	0.5	Standard	[Steel] Free-Cutting Steel	1	-	-	150	80	-10 to 80	0.3 to 1.0	No	Hex nut: 3 pcs.

Basic Information

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

Please check the type/dimensions/specifications of the part RB0604J in the Shock Absorber, RB Series series.

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

Products with similar specification

Part Number
20-RB0806S
20-RB1006
20-RB1006S
RB0604N
RB0604S
RB0604SJ

Price	Minimum Order Qty	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
฿ 1,375.30	1 Piece(s)	55 Day(s)	-	M8×1.0	8	2.94	Copper Group not Used	[Steel] Rolled Steel	5	0.05	46.8	245	80	-10 to 80～	0.05 to 5.0	No	Hexagon nut: 2 pcs. / Stopper nut: 1 pc.
฿ 1,375.30	1 Piece(s)	55 Day(s)	-	M10×1.0	10	3.92	Copper Group not Used	[Steel] Rolled Steel	5	0.05	52.7	422	70	-10 to 80～	0.05 to 5.0	No	Hexagon nut: 2 pcs.
฿ 1,375.30	1 Piece(s)	55 Day(s)	-	M10×1.0	10	3.92	Copper Group not Used	[Steel] Rolled Steel	5	0.05	52.7	422	70	-10 to 80～	0.05 to 5.0	No	Hexagon nut: 2 pcs. / Stopper nut: 1 pc.
฿ 1,091.40	1 Piece(s)	55 Day(s)	4	M6	6	0.5	Standard	[Steel] Free-Cutting Steel	1	0.3	32.5	150	80	-10 to 80	0.3 to 1.0	No	None
฿ 1,091.40	1 Piece(s)	55 Day(s)	4	M6×0.75	6	0.5	Standard	[Steel] Free-Cutting Steel	1	-	-	150	80	-10 to 80	0.3 to 1.0	No	Hexagon nut: 2 pcs. / Stopper nut: 1 pc.
฿ 1,141.55	1 Piece(s)	55 Day(s)	4	M6×0.75	6	0.5	Standard	[Steel] Free-Cutting Steel	1	-	-	150	80	-10 to 80	0.3 to 1.0	No	Hex nut: 3 pcs. / Stopper nut: 1 pc.