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Discontinued Products

KOHARA GEAR INDUSTRY Rack Gears / Toothed Racks（Surface Treatment：Black Oxide）

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Square Rack
Round Rack
Flexible Rack
Tapered Racks

Data to be displayed: 30; 45; 60

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Rack gears / hardened / ground / SRG

KOHARA GEAR INDUSTRY

Tooth surface induction hardening applied to S45C material, for tooth surface hardness 50 to 60HRC, tooth surface ground finish KHK R001 3 grade series, reasonably priced hardened rack. Both end surface finished products can be connected and used for long lengths.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	72.40 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Double sided machined rack gears / SRF

KOHARA GEAR INDUSTRY

Both ends machined rack, with rich selection of modules, lengths, etc. Low price and usability, allowing connection of as many as needed.

Volume Discount

Stock

2D / 3D CAD data available

Starting from^∗ ：	37.83 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Rack gears / SR

KOHARA GEAR INDUSTRY

[Additional machining possible]
*Ohara gear (KHK) rack gear added to, MISUMI-VONA lineup.
* In addition to specified size cuts, side and rear hole tapping, and side counterbore machining can be done.
Please specify desired dimensions in specification / dimensions on the left.

Note: Will be machined one end. Delivered without surface treatment applied to the cut end.

[Features]
Rack made from S45C, with rich selection of modules, lengths etc. at a reasonable price.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	11.90 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Rack gears / Tapered / CP

KOHARA GEAR INDUSTRY

CP tapered rack with tooth face processed into a tapered shape, combining CP tapered spur gear and backlash adjustment.

2D / 3D CAD data available

Starting from^∗ ：	177.92 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears with machined fixing bore SRF

KOHARA GEAR INDUSTRY

Both end machined rack with mount hole processing, saving the labor of additional work, at a reasonable price. Low price and usability, allowing connection of as many as needed.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	80.73 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Rack gears / CP

KOHARA GEAR INDUSTRY

CP rack with 1 pinion rotation movement amount in integer length.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	14.41 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Rack gears / helical

KOHARA GEAR INDUSTRY

Helical rack with a high contact gear ratio, and is effective for noise and vibration control. Both end face and mount hole processed type also available.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	25.85 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Round racks

KOHARA GEAR INDUSTRY

Round processed rack with outer diameter tolerance h9, S45C made. Convenient in applications when the rack needs to be used in reciprocal motion. S series with easy to machine shaft part also available.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	78.46 €
Min. Shipping Days ：	Same day

*Unit price with basic configuration

Rack gears / round / CP

KOHARA GEAR INDUSTRY

CP round processed rack with outer diameter tolerance h9, S45C made. Convenient in applications when the rack needs to be used in reciprocal motion.

2D / 3D CAD data available

Starting from^∗ ：	82.29 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Quenched and tempered rack KRF

KOHARA GEAR INDUSTRY

Thermal refined SCM440 material, gear strength enhanced rack.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	104.12 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / thermal refined / CP/ KRCPF

KOHARA GEAR INDUSTRY

Tempered SCM440 material, gear strength enhanced CP tempered rack.

2D / 3D CAD data available

Starting from^∗ ：	119.06 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / hardened / SRF-H

KOHARA GEAR INDUSTRY

SRF series rack with induction hardening as standard, for high strength and reliable, long service life, and low cost. J-series available.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	195.21 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears with machined mounting hole SRAF

KOHARA GEAR INDUSTRY

European size SRAF rack added to full lineup of J-series.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	91.03 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration

Rack mounting hole bar / CP

KOHARA GEAR INDUSTRY

CP rack with bolt holes machined with full line-up.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	92.70 €
Min. Shipping Days ：	6 Days

*Unit price with basic configuration

Rack gears / hardened / CP/ SRGCP

KOHARA GEAR INDUSTRY

CP ground rack made from S45C, with induction hardened tooth surface, at a reasonable price. CP ground rack with excellent wear resistance, and high precision positioning. J series also available.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	75.35 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / hardened / KRF-H

KOHARA GEAR INDUSTRY

Made from thermal refined SCM440, with induction hardened tooth surface, for 50% stronger tooth surface than thermal refined rack. Tough rack for compact designs.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	271.69 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / hardened / CP/ KRCPF-H

KOHARA GEAR INDUSTRY

Made from thermal refined SCM440, CP rack with induction hardened tooth surface, for 50% stronger tooth surface than thermal refined only rack. Convenient for integer movement with one pinion rotation.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	271.69 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / hardened / CP/ SRCPF-H

KOHARA GEAR INDUSTRY

SRCPF series rack tooth surface induction hardening as standard, keeping costs down, and over 2x tooth strength of SRCPF series. Low-priced quenching rack with reliable, long service life, and high strength. J-series available.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	183.54 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Quenched and tempered rack KRFD

KOHARA GEAR INDUSTRY

[Features]

Gear strength up with SCM440 thermal refined material.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	117.21 €
Min. Shipping Days ：	10 Days

*Unit price with basic configuration

Double sided machined rack gears / SRAF

KOHARA GEAR INDUSTRY

Compared with conventional SRF rack, low cost and compact square-shaped product with the same tooth width and height. Any number of pieces can be added by processing both ends.

Volume Discount

2D / 3D CAD data available

Starting from^∗ ：	84.08 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / laser-hardened

KOHARA GEAR INDUSTRY

Teeth are laser hardened as standard for twice the tooth surface strength compared to conventional SRF racks, while keeping the price down.

Starting from^∗ ：	193.44 €
Min. Shipping Days ：	7 Days

*Unit price with basic configuration

Rack gears / laser-hardened / J series

KOHARA GEAR INDUSTRY

Teeth are laser hardened as standard for twice the tooth surface strength compared to conventional SRF racks, while keeping the price down.

Volume Discount

Starting from^∗ ：	229.91 €
Min. Shipping Days ：	9 Days

*Unit price with basic configuration


Brand
Product Series
CAD
Starting from^∗
Min. Shipping Days ：
Specifications
Tooth Type
Environmentally friendly
Shape
Characteristics/Applications
Module
Length L(mm)
Material
Heat Treatment
Ground Tooth
Surface Treatment
Material Details
Length (nominal)
Number of Teeth(teeth)
Face Width(mm)
Rack Dia. D(Ø)
End Finish Machining


Brand	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY	KOHARA GEAR INDUSTRY
Product Series	Rack gears / hardened / ground / SRG	Double sided machined rack gears / SRF	Rack gears / SR	Rack gears / Tapered / CP	Rack gears with machined fixing bore SRF	Rack gears / CP	Rack gears / helical	Round racks	Rack gears / round / CP	Quenched and tempered rack KRF	Rack gears / thermal refined / CP/ KRCPF	Rack gears / hardened / SRF-H	Rack gears with machined mounting hole SRAF	Rack mounting hole bar / CP	Rack gears / hardened / CP/ SRGCP	Rack gears / hardened / KRF-H	Rack gears / hardened / CP/ KRCPF-H	Rack gears / hardened / CP/ SRCPF-H	Quenched and tempered rack KRFD	Double sided machined rack gears / SRAF	Rack gears / laser-hardened	Rack gears / laser-hardened / J series
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D	2D / 3D
Starting from^∗	72.40 € *Unit price with basic configuration Volume Discount	37.83 € *Unit price with basic configuration Volume Discount	11.90 € *Unit price with basic configuration Volume Discount	177.92 € *Unit price with basic configuration	80.73 € *Unit price with basic configuration Volume Discount	14.41 € *Unit price with basic configuration Volume Discount	25.85 € *Unit price with basic configuration Volume Discount	78.46 € *Unit price with basic configuration Volume Discount	82.29 € *Unit price with basic configuration	104.12 € *Unit price with basic configuration Volume Discount	119.06 € *Unit price with basic configuration	195.21 € *Unit price with basic configuration Volume Discount	91.03 € *Unit price with basic configuration Volume Discount	92.70 € *Unit price with basic configuration Volume Discount	75.35 € *Unit price with basic configuration Volume Discount	271.69 € *Unit price with basic configuration Volume Discount	271.69 € *Unit price with basic configuration Volume Discount	183.54 € *Unit price with basic configuration Volume Discount	117.21 € *Unit price with basic configuration Volume Discount	84.08 € *Unit price with basic configuration Volume Discount	193.44 € *Unit price with basic configuration	229.91 € *Unit price with basic configuration Volume Discount
Min. Shipping Days ：	Same day	6 Days	Same day	7 Days	Same day	Same day	Same day	Same day	7 Days	7 Days	7 Days	7 Days	9 Days	6 Days	7 Days	7 Days	7 Days	7 Days	10 Days	7 Days	7 Days	9 Days
Specifications		Stock
Tooth Type	Standard	Standard	Standard	Standard	Standard	Standard	Helical	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard
Environmentally friendly	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Shape	Square Rack	Square Rack	Square Rack	Tapered Racks	Square Rack	Square Rack	Square Rack	Round Rack	Round Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack	Square Rack
Characteristics/Applications	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Module	1 ～ 6	0.5 ～ 10	0.5 ～ 10	1.5915 ～ 3.1831	0.5 ～ 6	0.7958 ～ 6.3662	2 ～ 3	1 ～ 5	0.7958 ～ 3.1831	1.5 ～ 5	1.5915 ～ 3.1831	1.5 ～ 6	1.5 ～ 4	0.7958 ～ 6.3662	1.5915 ～ 6.3662	1.5 ～ 5	1.5915 ～ 3.1831	1.5915 ～ 6.3662	1.5 ～ 5	1.5 ～ 4	1.5 ～ 6	1.5 ～ 6
Length L(mm)	98 ～ 1005.31	298.45 ～ 2049.88	98 ～ 505	1000	298.45 ～ 2049.88	98 ～ 2050	95 ～ 1010	505 ～ 1010	505 ～ 1010	499.51 ～ 1005.31	500 ～ 1000	999.03 ～ 1005.31	999.03 ～ 1005.31	495 ～ 2050	98 ～ 1005	999.03 ～ 1005.31	1000	1000 ～ 1005	499.51 ～ 1005.31	999.03 ～ 1005.31	999.03 ～ 2049.88	999 ～ 2050
Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	General Steel Material	-	-
Heat Treatment	High Frequency	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Thermal Refined	Thermal Refined	High Frequency	Not Provided	Not Provided	High Frequency	High Frequency	High Frequency	High Frequency	Thermal Refined	Not Provided	-	-
Ground Tooth	Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Surface Treatment	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide	Black Oxide
Material Details	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Length (nominal)	100 ～ 1000	300 ～ 2000	100 ～ 500	1000	300 ～ 2000	100 ～ 2000	100 ～ 1000	500 ～ 1000	500 ～ 1000	500 ～ 1000	500 ～ 1000	1000	1000	500 ～ 2000	100 ～ 1000	1000	1000	1000	500 ～ 1000	1000	-	-
Number of Teeth(teeth)	4 ～ 212	20 ～ 435	3 ～ 159	100 ～ 200	26 ～ 435	3 ～ 410	7 ～ 153	39 ～ 159	99 ～ 200	32 ～ 212	50 ～ 200	53 ～ 212	80 ～ 212	25 ～ 410	3 ～ 200	64 ～ 212	100 ～ 200	50 ～ 200	32 ～ 212	80 ～ 212	53 ～ 435	53 ～ 435
Face Width(mm)	10 ～ 60	5 ～ 90	5 ～ 90	15 ～ 30	5 ～ 60	10 ～ 60	25 ～ 35	-	-	15 ～ 50	15 ～ 30	15 ～ 60	15 ～ 40	10 ～ 60	15 ～ 60	15 ～ 50	15 ～ 30	15 ～ 60	15 ～ 50	15 ～ 40	15 ～ 60	15 ～ 60
Rack Dia. D(Ø)	-	-	-	-	-	-	-	10 ～ 50	10 ～ 30	-	-	-	-	-	-	-	-	-	-	-	-	-
End Finish Machining	Not Provided / Provided	Provided	Not Provided	Provided	Provided	Not Provided / Provided	Not Provided / Provided	Not Provided	Not Provided	Provided	Provided	Provided	Provided	Provided	Not Provided / Provided	Provided	Provided	Provided	Provided	Provided	Provided	Provided

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Tooth Type
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Environmentally friendly
- RoHS Compliant (10 Substances)
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Characteristics/Applications
Corrosion Resistant / Chemical Resistant

Heat Resistance

Insulation

Low Dust Generation

Non-magnetic

Not Applicable
Details

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Module
0.3

0.5

0.6366

0.7

0.75

0.7958

0.8

1

1.25

1.5

1.5915

1.5925

2

2,5

2.5

3

3.1831

4

4.7746

5

6

6.3662

8

10
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Length L(mm)
1,005.31

1,500

1,507.96

2,035.75

2,042.04

2,045.17

2,048.31

2,049.88

2,050

94.25

95

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100

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108

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123

151

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248

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265

292.17

295.31

296.85

296.88

298.45

299.08

300

300.02

301.59

303

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352

490.09

494.8

495

496.37

497.63

499.51

500

502.65

502.66

503~506

505

505~508

508.94

565

992

995.24

997.4

997.45

999

999.02

999.03

1000

1002.17

1003.74

1005

1005.3

1005.31

1008.45

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1010

1017.88

1018

1021.0

1500

1507

1507.96

1507.97

1508

1602.2

2000

2001.19

2002.77

2004.34

2007.48

2007.77

2010.62

2016.9

2035.75

2036

2040

2042

2042.04

2045

2045.17

2045.18

2048

2048.31

2048.32

2049.88

2049.89

2050

3000

3000.22

3003.36

4000
Drawing

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Material
- General Steel Material
- Stainless Steel
- Aluminum
- Resin
- Brass
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Heat Treatment
- Not Provided
- Thermal Refined
- Annealed
- High Frequency
- Normalized
- Others
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Ground Tooth
- Not Provided
- Provided
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Surface Treatment
- Not Provided
- Black Oxide
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Material Details
- EN 1.1191 Equiv.
- EN 1.4301 Equiv.
- Free-Cutting Brass
- MC Nylon
- Polyacetal
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Length (nominal)
1,000

100

110

130

160

200

300

500

1000

1500

1600

2000

3000

4000
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Number of Teeth(teeth)
3

4

5

6

7

8

9

10

11

12

14

15

18

19

20

21

25

26

27

28

29

30

31

32

33

36

37

38

39

40

42

45

46

47

48

49

50

51

52

53

59

60

62

63

64

67

75

76

77

78

79

80

82

83

85

90

94

95

96

98

99

100

102

105

106

107

108

118

119

120

125

126

127

128

130

136

150

152

153

158

159

160

163

190

191

192

198

200

205

210

212

214

217

240

248

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261

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318

319

320

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326

340

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410

435
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Face Width(mm)
3

3.8

4

5

6

6.5

7

8

9

10

10.3

12

12.3

14

14.3

15

15.4

16

17

17.3

18

19.4

20

22

24

24.5

25

30

35

40

50

60

75

80

90
Drawing

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Rack Dia. D(Ø)
8

10

15

20

25

30

40

50
Drawing

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End Finish Machining
- Not Provided
- Provided
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