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Rotary Shafts - With keyways and both ends internally threaded. (PSFHKRW15-76-M5-N5-KA0-A25-KB56-B20)

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Lead Time Reduction

MISUMI

New diameter sizes (13, 16, 17, 18 and 22) are added for h9 tolerance types. [3/31/23]
Straight Rotary Shafts with Both Ends Tapped and Key Grooves are available in 1045 Carbon Steel or Equivalent and 304 Stainless Steel, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 6mm - 50mm
[Length range]15mm - 1000mm. Use the alteration LKC to specify the length in 0.1mm increment.

Inch option available, please click Here.

METRIC
inCAD Components

Part Number

Configured Part Number is shown.

PSFHKRW15-76-M5-N5-KA0-A25-KB56-B20

Drawing/Specifications
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Part Numbers
More Information
Catalog
Technical Information

Rotary Shafts - Both Ends Tapped with Key Grooves:Related Image

・Materials

Type		D Tolerance	[ M ]Material	[ S ]Surface Treatment
①	NSFMKRW	h9 (Cold-drawn)	1045 Carbon Steel or Equivalent	-
	SFMKRW			Black Oxide
	PSFMKRW			Electroless Nickel Plating
	SSFMKRW		304 Stainless Steel	-
②	NSFHKRW	h7 (Ground)	1045 Carbon Steel or Equivalent	-
	SFHKRW			Black Oxide
	PSFHKRW			Electroless Nickel Plating
	SSFHKRW		304 Stainless Steel	-
③	NSFGKRW	g6 (Ground)	1045 Carbon Steel or Equivalent	-
	SFGKRW			Black Oxide
	PSFGKRW			Electroless Nickel Plating
	SSFGKRW		304 Stainless Steel	-

Specifications

	Part Number	-	L	-	M	-	N	-	Keyway ①			-	Keyway ②			-	Keyway ③

									KA	-	A		KB	-	B		KC	-	C
1 Keyway 2 Keyways 3 Keyways	SFMKRW10 SFHKRW30 SFGKRW25	- - -	325 300 350	- - -	M4 M10 M8	- - -	N4 N10 N8	- - -	KA20 KA20 KA10	- - -	A50 A50 A60	- -	KB120 KB90	- -	B20 B30	-	KC210	-	C30

①h9 (Cold-drawn)

Part Number			L 0.1mm Increment	M (Coarse) / N (Coarse) Selection									Keyway ①	Keyway ②	Keyway ③
Type	D_h9												KA, A	KB, B	KC, C
Type		Tolerance											1mm Increment
NSFMKRW SFMKRW PSFMKRW SSFMKRW (D6 is not available for SSFMKRW.)	6	0 -0.030	15.0~400.0	2.6 (3)	(4)								KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A b≤B≤100	KC+C≤L KC≥KB+B b≤C≤100
	8	0 -0.036	15.0~500.0	2.6 (3)	(4)	(5)	(6)
	10	0 -0.036	15.0~600.0	3	4	(5)	(6)
	12	0 -0.043	15.0~700.0		4	5	(6)	(8)
	15	0 -0.043	15.0~800.0		4	5	6	(8)
	20	0 -0.052	30.0~1000.0		4	5	6	8	10
	25		50.0~1000.0		4	5	6	8	10	12
	30		60.0~1000.0				6	8	10	12	16
	35	0 -0.062	70.0~1000.0				6	8	10	12	16	20

[ ! ]M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
②h7 (Ground)

Part Number			L 0.1mm Increment	M (Coarse) / N (Coarse) Selection											Keyway ①	Keyway ②	Keyway ③
Type	D_h7														KA, A	KB, B	KC, C
Type		Tolerance													1mm Increment
NSFHKRW SFHKRW PSFHKRW SSFHKRW	6	0 -0.012	15.0~400.0	2.6 (3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A b≤B≤100	KC+C≤L KC≥KB+B b≤C≤100
	8	0 -0.015	15.0~500.0	2.6 (3)	(4)	(5)	(6)
	10	0 -0.015	15.0~600.0	3	4	(5)	(6)
	12	0 -0.018	15.0~700.0		4	5	(6)	(8)
	15		15.0~800.0		4	5	6	(8)
	17		30.0~900.0		4	5	6	8	(10)	(12)
	20	0 -0.021	30.0~1000.0		4	5	6	8	(10)	(12)	(16)
	25		50.0~1000.0		4	5	6	8	10	12	(16)
	30		60.0~1000.0				6	8	10	12	16
	35	0 -0.025	70.0~1000.0				6	8	10	12	16	20
	40		80.0~1000.0						10	12	16	20	24
	50		100.0~1000.0							12	16	20	24	30

[ ! ]M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.
③g6 (Ground)

Part Number			L 0.1mm Increment	M (Coarse) / N (Coarse) Selection											Keyway ①	Keyway ②	Keyway ③
Type	D_g6														KA, A	KB, B	KC, C
Type		Tolerance													1mm Increment
NSFGKRW SFGKRW PSFGKRW SSFGKRW (D13, 16, 18 and 22 are not available for SSFGKRW.)	6	-0.004 -0.012	15.0~400.0	2.6 (3)	(4)										KA+A≤L KA≥0 b≤A≤100	KB+B≤L KB≥KA+A b≤B≤100	KC+C≤L KC≥KB+B b≤C≤100
	8	-0.005 -0.014	15.0~500.0	2.6 (3)	(4)	(5)	(6)
	10	-0.005 -0.014	15.0~600.0	3	4	(5)	(6)
	12	-0.006 -0.017	15.0~700.0		4	5	(6)	(8)
	13		15.0~700.0		4	5	6	(8)
	15		15.0~800.0		4	5	6	(8)
	16		15.0~900.0		4	5	6	8	(10)
	17		30.0~900.0		4	5	6	8	(10)	(12)
	18		30.0~900.0		4	5	6	8	(10)	(12)
	20	-0.007 -0.020	30.0~1000.0		4	5	6	8	10	(12)	(16)
	22		40.0~1000.0		4	5	6	8	10	12	(16)
	25		50.0~1000.0		4	5	6	8	10	12	(16)
	30		60.0~1000.0				6	8	10	12	16
	35	-0.009 -0.025	70.0~1000.0				6	8	10	12	16	20
	40		80.0~1000.0						10	12	16	20	24
	50		100.0~1000.0							12	16	20	24	30

[ ! ]M, N Sizes in ( ) are selectable when KA≥Mx2 and L-KC-C≥Nx2.

Alterations

Part Number

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Part Number
PSFHKRW15-76-M5-N5-KA0-A25-KB56-B20

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	Shaft Dia. D (mm)	Material	Surface Finish	Shaft Dia. Tolerance (Metric Only)	Length L (mm)	A (mm)	Coarse Tapped [MD] Depth=Mx3	Coarse Tapped [M]	Coarse Tapped [ND] Depth=Nx3	Coarse Tapped [N]	Keyway (1) [KA] (mm)
	1 Piece(s)		-	10	15	[Steel] 1045 Carbon Steel or Equivalent	Electroless Nickel	h7 (Ground)	76	25	-	5	-	5	0

More Information

Number of keyways can be specified up to 3.

Example

Technical Information

Detailed Dimensions for Keyway & Threaded Relief of Rotary Shafts & Driving Shafts

Detailed dimensions of Keyway for Shaft Dia.(D·P·Q)

Shaft Diameter	b		t		r
Shaft Diameter	Reference Dimension	Tolerance (N9)	Reference Dimension	Tolerance	r
6-7	2	-0.004 -0.029	1.2	0.1 -0	0.08- 0.16
8-10	3	-0.004 -0.029	1.8
11-12	4	0 -0.03	2.5
13-17	5		3.0		0.16- 0.25
18-22	6		3.5
23-30	8	0 -0.036	4.0	+0.2 0
31-38	10	0 -0.036	5.0		0.25- 0.4
39-44	12	0 -0.043	5.0
45-50	14	0 -0.043	5.0

[ ! ]The example below shows the keyway shape for the specs KC, WKC, K=0, KC+A≥L and WKC+C+K+E>L.

Detailed Retaining Ring Groove Dimensions Rotary & Driving Shafts

Shaft Diameter	d Tolerance		Slot Width (m) Tolerance		Applicable Retaining Ring
2	1.2	+0.06 0	0.4	+0.05 0	JIS E Type 1.2
2.5	1.5		0.5		JIS E Type 1.5
3	2		0.5		JIS E Type 2
4	3		0.7	+0.1 0	JIS E Type 3
5	4	+0.075 0			JIS E Type 4
6	5				JIS E Type 5
7	6		0.9		JIS E Type 6
8	7	+0.09 0			JIS E Type 7
9	8	+0.09 0			JIS E Type 8
10	9.6	0/-0.09	1.15	+0.14 0	JIS C Type 10
11	10.5	0 -0.11			JIS C Type 11
12	11.5				JIS C Type 12
13	12.4				JIS C Type 13
14	13.4				JIS C Type 14
15	14.3				JIS C Type 15
16	15.2				JIS C Type 16
17	16.2				JIS C Type 17
18	17		1.35		JIS C Type 18
19	18		1.35		JIS C Type 19

[ ! ]An applicable retaining ring is attached.

Shaft Diameter	d Tolerance		Slot Width (m) Tolerance		Applicable Retaining Ring
20	19	0 -0.21	1.35	+0.14 0	JIS C Type 20
21	20				JIS C Type 21
22	21				JIS C Type 22
23	22				JIS C Type 23
24	22.9				JIS C Type 24
25	23.9				JIS C Type 25
26	24.9				JIS C Type 26
28	26.6		1.65		JIS C Type 28
29	27.6				JIS C Type 29
30	28.6				JIS C Type 30
32	30.3	0 -0.25			JIS C Type 32
35	33				JIS C Type 35
40	38		1.9		JIS C Type 40
45	42.5		1.9		JIS C Type 45
50	47		2.2		JIS C Type 50

Support Information

Basis of Fitting Selection/Dimensional Tolerances & Fitting

Click here for the information

Difference between Shatf and Rotary Shaft

Comparison of specifications between linear shafts and shafts for rotary shafts

Basic Specifications

Specifications	Rotary Shafts		Linear Shafts
Material	1045 Carbon Steel or Equivalent 304 Stainless Steel	4137 Alloy Steel or Equivalent	52100 Bearing Steel Equivalent SUS440C(13Cr) Stainless Steel Equivalent	1045 Carbon Steel Equivalent or 304 Stainless Steel
Quenching/Hardness	-	Hardness 30-35HRC	High-frequency quenching	-
Outer Diameter Tolerance	h9/h7	g6	g6/h5	f8
Surface Treatment	No plating Black Oxide Electroless Nickel Plating	Black Oxide Electroless Nickel Plating	No Plating Hard Chrome Plating Low Temp. Black Chrome Plating Electroless Nickel Plating (Only Surface Treatment Fully Plated Type)	Hard Chrome Plating

Alterations

Alterations	Rotary Shafts	Linear Shafts
L Dimension Tolerance	L<500: L±0.05 L≧500: L±0.1 L≧800: NOT applicable	L<200: L±0.03 200≦L<500: L±0.05 L≧500: L±0.1
Flat Key Grooves	Up to 1 location specified	Up to 2 locations specified
Set Screw Flat	Up to 3 locations specified	Up to 2 locations specified
2 Set Screw Flat	Up to 1 location specified Angle Specification: 15 Deg. Inc	Up to 2 locations specified Angle Specification: Fixed
V-groove	-	Up to 2 locations specified
Keyway	Up to 4 locations specified Specified on step: Applicable	Up to 2 locations specified Specified on step: NOT applicable
Change to Fine Threads	1 type	2 type
Change to Fine Threads Tap	-	1 type
Undercut	M3~M30	M6~M30
Tapped Depth	Applicable	Applicable
Retainning Ring Groove	Up to 2 locations on D and 1 locationon each step *Can be chosen together	Up to 2 locations specified (Only Retaining Ring type applicable)
Slit Cam Groove	Up to 1 location specified	-
Concentricity	Applicable	-
Left Hand Thread	Applicable	-
Slit	Up to 1 location specified	-
C Chamfering Width	Applicable	-

*Click here for information of Rotary Shaft Alteration Guide or Shaft Alteration Guide

Material/Surface General Information

General Material Information

General Surface Treatment Information

Comparisons of Materials between JIS & Foreign Standards

Compatible Models

Category	Ball Bearings	Bearings with Housings	Flexible Couplings	Timing Pulleys	Timing Belts
Image

Product TOP

Basic Information

Basic Shape	Straight	End Shape (Left)	Tapped	End Shape (Right)	Tapped
Heat Treatment	Not Hardened	Keyway	With Keyway

Configure

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Completed

Specification/Dimensions

Shaft Dia. D(mm)
6

8

10

12

13

15

16

17

18

20

22

25

30

35

40

50
Clear
Material
- Steel
  - 1045 Carbon Steel or Equivalent
- 304 Stainless Steel
Clear
Surface Finish
- None
- Black Oxide
- Electroless Nickel
Clear
Shaft Dia. Tolerance (Metric Only)
- h9 (Cold-drawn)
- h7 (Ground)
- g6 (Ground)
Clear
Coarse Tapped [MD] Depth=Mx3
3

4

5

6

8

10

12

16

20
Clear
Coarse Tapped [ND] Depth=Nx3
3

4

5

6

8

10

12

16

20
Clear
type
- PSFGKRW
- PSFHKRW
- PSFMKRW
- SFGKRW
- SFHKRW
- SFMKRW
- SSFGKRW
- SSFHKRW
- SSFMKRW
Clear
Length L(mm)
[76-800/0.1mm Unit(s)]
Clear
A(mm)
[5-54/0.1mm Unit(s)]
Clear
Coarse Tapped [M]
2.6

3

4

5

6

8

10

12

16

20

24

30
Clear
Coarse Tapped [N]
2.6

3

4

5

6

8

10

12

16

20

24

30
Clear
Keyway (1) [KA](mm)
[0-29/0.1mm Unit(s)]
Clear
CAD
- 2D
- 3D
Clear