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Rotary Axes / Keyway / Optional Machining (Part Numbers - CAD Download)

Rotary Axes / Keyway / Optional Machining

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  • Rotary Axes / Keyway / Optional Machining
  • Rotary Axes / Keyway / Optional Machining

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Dimensional Drawing

Rotary Shaft - Straight with Keyway Dimensional Drawing
■Detailed Keyway Dimensions
Rotary Shaft - Straight with Keyway Dimensional Drawing
Shaft Dia.btr
Reference DimensionTolerance
(N9)		Reference DimensionTolerance
6 2－ 0.004
－ 0.029		1.2+ 0.1
 0		0.08 or more
0.16
8·10 31.8
12 4 0
－ 0.03		2.5
13 to 17 53.00.16 or more
0.25
18 to 22 63.5
25·30 8 0
－ 0.036		4.0+ 0.2
 0
35105.00.25 or more
0.4
4012 0
－ 0.043		5.0
50145.5
[ ! ] When KA < 1, KA + A = L, KB + B = L and L - KC - C < 1,
keyway is shaped as shown below.
Rotary Shaft - Straight with Keyway
[ ! ] Surface roughness of Part D for h9 (Cold-drawn) is {{{attr2}}}. Surface roughness for h7 (Ground) and g6 (Ground) is {{{attr3}}}.
[ ! ] Number of keyways can be specified up to 3.
[ ! ] When multiple keyways are added, keep 2 mm or more clearance between them.
[ ! ] High hardness stainless steel may have a center hole.
Rotary Shaft - Straight with Keyway Dimensional Drawing
■Circularity and Straightness
[ ! ] Circularity and straightness of Part D are not applicable to h9 (Cold-drawn).
■Circularity of Part D
DCircularity
M
overor Less
5130.004
13200.005
20400.006
40500.007
■Tolerances of L and Other Dimensions
DimensionDimension
Tolerance
overor Less
26±0.1
630±0.2
30120±0.3
120400±0.5
4001000±0.8
TypeD Tolerance[M] Material[S] Surface Treatment
(1)NSFMKRh9 (Cold-drawn)EN 1.1191 Equiv.—
SFMKRBlack Oxide
PSFMKRElectroless Nickel Plating
SSFMKREN 1.4301 Equiv.—
(2)NSFHKRh7 (Ground)EN 1.1191 Equiv.—
SFHKRBlack Oxide
PSFHKRElectroless Nickel Plating
SSFHKREN 1.4301 Equiv.—
(3)NSFGKRg6 (Ground)EN 1.1191 Equiv.—
SFGKRBlack Oxide
PSFGKRElectroless Nickel Plating
SSFGKREN 1.4301 Equiv.—
AHFGKRHigh Hardness Stainless Steel
Hardness: 35HRC or More		—
[!] High hardness stainless steel has a lower center hardness.

Specification Table

 Part Number—L Keyway (1) Keyway (2) Keyway (3)
—   —   —   
 KA—A KB—B KC—C
1 Keyway
2 Keyways
3 Keyways		SFMKR10
SFHKR30
SFGKR25		—
—
—		325
330
350		—
—
—		KA20
KA20
KA10		—
—
—		A50
A50
A10
—
—
KB120
KB90
—
—
B20
B30

—

KC210

—

C30
(1) h9 (Cold-drawn)
Part NumberL
0.1 mm Increments		Keyway (1)Keyway (2)Keyway (3)
TypeDh9KA·AKB·BKC·C
 Tolerance0.1 mm Increments
NSFMKR

SFMKR

PSFMKR

SSFMKR
(D13, 17, 18 or 22 is not available for SSFMKR.)		60
−0.030		15.0 to 500.0KA+A ≤ L

KA ≥ 0

b ≤ A ≤ 100		KB+B ≤ L

KB ≥ 0

b ≤ B ≤ 100		KC+C ≤ L

KC ≥ 0

b ≤ C ≤ 100
80
−0.036		15.0 to 500.0
1015.0 to 800.0
120
−0.043		15.0 to 900.0
1315.0 to 900.0
1515.0 to 1000.0
1615.0 to 1000.0
1720.0 to 1000.0
1820.0 to 1000.0
200
−0.052		20.0 to 1000.0
2220.0 to 1000.0
2520.0 to 1000.0
3020.0 to 1000.0
350
−0.062		70.0 to 1000.0

(2) h7 (Ground)
Part NumberL
0.1 mm Increments		Keyway (1)Keyway (2)Keyway (3)
TypeDh7KA·AKB·BKC·C
 Tolerance0.1 mm Increments
NSFHKR

SFHKR

PSFHKR

SSFHKR		60
−0.012		15.0 to 500.0KA+A ≤ L

KA ≥ 0

b ≤ A ≤ 100		KB+B ≤ L

KB ≥ 0

b ≤ B ≤ 100		KC+C ≤ L

KC ≥ 0

b ≤ C ≤ 100
80
−0.015		15.0 to 500.0
1015.0 to 800.0
120
−0.018		15.0 to 900.0
1515.0 to 1000.0
1720.0 to 1000.0
200
−0.021		20.0 to 1000.0
2520.0 to 1000.0
3020.0 to 1000.0
350
−0.025		70.0 to 1000.0
4080.0 to 1000.0
50100.0 to 1000.0

(3) g6 (Ground)
Part NumberL
0.1 mm Increments		Keyway (1)Keyway (2)Keyway (3)
TypeDg6KA·AKB·BKC·C
  Tolerance0.1 mm Increments
NSFGKR

SFGKR

PSFGKR

SSFGKR

AHFGKR
(Only * marked numbers are available.)
* 6
−0.004
−0.012		15.0 to 500.0KA+A ≤ L

KA ≥ 0

b ≤ A ≤ 100		KB+B ≤ L

KB ≥ 0

b ≤ B ≤ 100		KC+C ≤ L

KC ≥ 0

b ≤ C ≤ 100
* 8
−0.005
−0.014		15.0 to 500.0
* 10
15.0 to 800.0
* 12
−0.006
−0.017		15.0 to 900.0
13
15.0 to 900.0
* 15
15.0 to 1000.0
* 16
15.0 to 1000.0
17
20.0 to 1000.0
18
20.0 to 1000.0
* 20
−0.007
−0.020		20.0 to 1000.0
22
20.0 to 1000.0
* 25
20.0 to 1000.0
30
20.0 to 1000.0
35
−0.009
−0.025		70.0 to 1000.0
40
80.0 to 1000.0
50
100.0 to 1000.0

Alterations

Alterations
Code		Alteration DetailsApplicable ConditionsOrdering Example
FCSet Screw Flat at One Location
Rotary Shaft - Straight with Keyway: Related Image		FC, G = 1 mm Increments
[ ! ]G ≤ 70		SFHKR30-300-KA100-A20-FC10-G3
WFCSet Screw Flats at Two Locations
Rotary Shaft - Straight with Keyway: Related Image		WFC, J, W, V = 1 mm Increments
[ ! ]J·V ≤ 70		SFHKR30-300-KA100-A20-WFC10-
J15-W10-V20
SFCSet Screw Flat, 2 Set Screw Flats (Angle Specified)
Rotary Shaft - Straight with Keyway: Related Image		SFC, SG = 1 mm Increments AG = 15° Increments
[ ! ]SG ≤ 70		SFHKR30-300-KA100-A20-SFC10-
SG3-AG90
KWCSet Screw Flat, 2 Set Screw Flats on Both Ends
Rotary Shaft - Straight with Keyway: Related Image		KWC = 1 mm Increments
[ NG ] Not applicable when Shaft Dia. ≤ ø6, when D = 13, 16, 17, 18 or 22
[ NG ] Not applicable when L > 680		SFHKR30-300-KA100-A20-FC10-
KWC20
WCSet Screw Flat, Chamfering Depth Configurable
Rotary Shaft - Straight with Keyway: Related Image
WC = 0.1 mm Increments
[ NG ] Not applicable when Shaft Dia. ≤ ø6, when D = 13, 16, 17, 18 or 22
[ NG ] Not applicable when L > 680
[ ! ] Only when KWC is specified, WC is available
DWC
84.0 to 6.9
105.0 to 7.9
126.0 to 8.9
159.0 to 11.9
2013.0 to 15.9
2517.0 to 19.9
3022.0 to 24.9
3527.0 to 29.9
4032.0 to 34.9
5042.0 to 44.9
SFHKR30-300-KA100-A20-FC10-
KWC20-WC22.0
TA·TBRetaining Ring Groove
Rotary Shaft - Straight with Keyway: Related Image		TA, TB = 0.1 mm Increments
[ ! ]2 ≤ TA·TB ≤ 150		SFHKR30-300-KA100-A20-TA10-
TB10
UCSlit Cam Groove
Rotary Shaft - Straight with Keyway: Related Image		UC = 1 mm Increments
[ NG ] Not applicable when Shaft Dia. = ø2 or ø2.5 or when D ≥ 13
[NG] AHFGKR is not available		SFHKR10-300-KA100-A20-UC10
LKCL Dimension Tolerance Change
Rotary Shaft - Straight with Keyway: Related Image		L < 500···L±0.05 L ≥ 500···L±0.1
[ NG ] Not applicable when L ≥ 800		SFHKR30-300-KA100-A20-LKC
SCWrench Flats
Rotary Shaft - Straight with Keyway: Related Image		SC = 1 mm Increments
[ NG ] Not applicable when D ≤ 5		SFHKR30-300-KA100-A20-SC10
CDChanges Part D Chamfering
Rotary Shaft - Straight with Keyway: Related Image
Changes Part D Chamfering Size　
* Select CD from table
[ ! ] Only values provided on the Applicable Dia. Table are applicable
Chamfering (CD)Applicable Dia. (D)
C2⌀6 to ⌀50
C3⌀8 to ⌀50
C4⌀10 to ⌀50
C5⌀12 to ⌀50
SFHKR30-300-KA100-A20-CD5
[!] When combined with other alterations, ± 2 degree phase differential may occur. Provide 2 mm or more clearance between this alteration and others.
[ ! ] When multiple keyways or set screw flats are specified, they are added in the same plane. When the distance of the alterations are over 500 mm, ± 2 degree phase difference may occur.
Detailed Retaining Ring Groove Dimensions for Rotary Shafts
Shaft Dia.d ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
21.2 +0.06
    0		0.4 +0.05
    0		JIS E Type 1.2
2.51.50.5JIS E Type 1.5
32JIS E Type 2
430.7 +0.1
    0		JIS E Type 3
54 +0.075
    0		JIS E Type 4
65JIS E Type 5
760.9JIS E Type 6
87 +0.09
    0		JIS E Type 7
98JIS E Type 8
109.60/－0.091.15 +0.14
    0		JIS C Type 10
1110.5   0
  -0.11		JIS C Type 11
1211.5JIS C Type 12
1312.4JIS C Type 13
1413.4JIS C Type 14
1514.3JIS C Type 15
1615.2JIS C Type 16
1716.2JIS C Type 17
18171.35JIS C Type 18
1918JIS C Type 19
 
Shaft Dia.d ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
2019  0
 -0.21		1.35 +0.14
    0		JIS C Type 20
2120JIS C Type 21
2221JIS C Type 22
2322JIS C Type 23
2422.9JIS C Type 24
2523.9JIS C Type 25
2624.9JIS C Type 26
2826.61.65JIS C Type 28
2927.6JIS C Type 29
3028.6JIS C Type 30
3230.3  0
 -0.25		JIS C Type 32
3533JIS C Type 35
40381.9JIS C Type 40
4542.5JIS C Type 45
50472.2JIS C Type 50
 

 

[ ! ]2 ≤ TA·TB ≤ 150
[ ! ] An applicable retaining ring is included in the retaining ring groove.
(Reference Value) High Hardness Stainless Steel Center Hardness
DCenter Hardness (HRC)
335 or More
435 or More
535 or More
635 or More
835 or More
1030 or More
1230 or More
1530 or More
1630 or More
2025 or More
2525 or More
Mechanical Properties (Reference Value)
MaterialTensile Strength
(Mpa)		Yielding Point
(0.2% Proof Stress)
(MPa)		Young's Modulus
(GPa)		Transverse Modulus
(GPa)		Poisson Ratio
EN 1.1191 Equiv.
570 or More
345 or More
200 or More
77 or More
0.3
EN 1.4301 Equiv.
520 or More
210 or More
193 or More
74 or More
0.3
EN 1.7220 Equiv.
930 or More
785 or More
206 or More
79 or More
0.3
High Hardness Stainless Steel
1102
715
199
77
0.3

High Hardness Stainless Steel Material Properties
(Unit: %)
CSiMnPSNiCr
0.15-0.25≤ 0.507.5-9.5≤ 0.05≥ 0.121.5-3.013-15

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Part Number
SFMKR18-[20-1000/0.1]-KA[0-1000/0.1]-A[6-100/0.1]
SFMKR20-[30-1000/0.1]-KA[0-1000/0.1]-A[6-150/0.1]
SFMKR22-[20-1000/0.1]-KA[0-1000/0.1]-A[6-100/0.1]
SFMKR25-[50-1000/0.1]-KA[0-1000/0.1]-A[8-150/0.1]
SFMKR30-[60-1000/0.1]-KA[0-1000/0.1]-A[8-150/0.1]
SFMKR35-[70-1000/0.1]-KA[0-1000/0.1]-A[10-100/0.1]
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSMaterial Surface Treatment D Tolerance Shaft Dia. D
(mm) 		Length L
(mm) 		A
(mm) 		Keyway (1) [KA]
(mm)

-

1 6 Days -[Steel] EN 1.1191 Equiv.[Surface Treatment Provided] Black Oxideh9 (Cold-drawn)1820 ～ 10006 ～ 1000 ～ 1000

-

1 5 Days 10[Steel] EN 1.1191 Equiv.[Surface Treatment Provided] Black Oxideh9 (Cold-drawn)2030 ～ 10006 ～ 1500 ～ 1000

-

1 6 Days -[Steel] EN 1.1191 Equiv.[Surface Treatment Provided] Black Oxideh9 (Cold-drawn)2220 ～ 10006 ～ 1000 ～ 1000

-

1 5 Days 10[Steel] EN 1.1191 Equiv.[Surface Treatment Provided] Black Oxideh9 (Cold-drawn)2550 ～ 10008 ～ 1500 ～ 1000

-

1 5 Days 10[Steel] EN 1.1191 Equiv.[Surface Treatment Provided] Black Oxideh9 (Cold-drawn)3060 ～ 10008 ～ 1500 ～ 1000

-

1 6 Days 10[Steel] EN 1.1191 Equiv.[Surface Treatment Provided] Black Oxideh9 (Cold-drawn)3570 ～ 100010 ～ 1000 ～ 1000

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App. Example

Rotary Shaft - Straight with Keyway: Related Image
 

Basic information

Basic Shape Straight Environmentally friendly RoHS Compliant (10 Substances) End Shape (Left) Straight
Characteristics/Applications Not Applicable End Shape (Right) Straight Hardness No Hardened
Keyway With Keyway Cleaning Method No Cleaning Wrench Flats Wrench flats option (alteration)

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Basic Attributes

  • Material

    • Steel
      • EN 1.1191 Equiv.
    • Stainless Steel
      • EN 1.4301 Equiv.
      • Stainless Steel, austenitic (high hardness: 35 HRC or More)

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  • Surface Treatment

    • NA
    • Surface Treatment Provided
      • Black Oxide
      • Electroless Nickel Plating

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  • D Tolerance

    • h9 (Cold-drawn)
    • h7 (Ground)
    • g6 (Ground)

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  • Shaft Dia. D(mm)

    • 6
    • 8
    • 10
    • 12
    • 13
    • 15
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    • 17
    • 18
    • 20
    • 22
    • 25
    • 30
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  • Length L(mm)

     [15-1000/0.1mm Unit(s)][20-1000/1mm Unit(s)]

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  • A(mm)

     [2-150/0.1mm Unit(s)]

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  • Keyway (1) [KA](mm)

     [0-1000/0.1mm Unit(s)]

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  • Type

    • AHFGKR
    • NSFGKR
    • NSFHKR
    • NSFMKR
    • PSFGKR
    • PSFHKR
    • PSFMKR
    • SFGKR
    • SFHKR
    • SFMKR
    • SSFGKR
    • SSFHKR
    • SSFMKR

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