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Rotary Shafts - With keyways.
- Lead Time Reduction
New diameter sizes (13, 16, 17, 18 and 22) are added for h9 tolerance types. [3/31/23]
Straight Rotary Shafts with Key Grooves are available in 1045 Carbon Steel and 304 Stainless Steel, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 6mm - 35mm
[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.
・Materials
| Type | D Tolerance | [ M ]Material | [ S ]Surface Treatment | |
| ① | NSFMKR | h9 (Cold-drawn) | 1045 Carbon Steel | - |
| SFMKR | Black Oxide | |||
| PSFMKR | Electroless Nickel Plating | |||
| SSFMKR | 304 Stainless Steel | - | ||
| ② | NSFHKR | h7 (Ground) | 1045 Carbon Steel | - |
| SFHKR | Black Oxide | |||
| PSFHKR | Electroless Nickel Plating | |||
| SSFHKR | 304 Stainless Steel | - | ||
| ③ | NSFGKR | g6 (Ground) | 1045 Carbon Steel | - |
| SFGKR | Black Oxide | |||
| PSFGKR | Electroless Nickel Plating | |||
| SSFGKR | 304 Stainless Steel | - | ||
Specifications
| 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 |
①h9 (Cold-drawn)
②h7 (Ground)
③g6 (Ground)
| Part Number | L=0.1mm Increment | Keyway ① | Keyway ② | Keyway ③ | ||
| Type | Dh9 | KA, A | KB, B | KC, C | ||
| Tolerance | 1mm Increment | |||||
| NSFMKR SFMKR PSFMKR SSFMKR (D6 is not available for SSFMKR.) | 6 | 0 -0.030 | 15.0~400.0 | KA+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 -0.036 | 15.0~500.0 | ||||
| 10 | 15.0~600.0 | |||||
| 12 | 0 -0.043 | 15.0~700.0 | ||||
| 15 | 15.0~800.0 | |||||
| 20 | 0 -0.052 | 30.0~1000.0 | ||||
| 25 | 50.0~1000.0 | |||||
| 30 | 60.0~1000.0 | |||||
| 35 | 0 -0.062 | 70.0~1000.0 | ||||
| Part Number | L=0.1mm Increment | Keyway ① | Keyway ② | Keyway ③ | ||
| Type | Dh7 | KA, A | KB, B | KC, C | ||
| Tolerance | 1mm Increment | |||||
| NSFHKR SFHKR PSFHKR SSFHKR | 6 | 0 -0.012 | 15.0~400.0 | KA+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 0.015 | 15.0~500.0 | ||||
| 10 | 15.0~600.0 | |||||
| 12 | 0 -0.018 | 15.0~700.0 | ||||
| 15 | 15.0~800.0 | |||||
| 17 | 30.0~900.0 | |||||
| 20 | 0 -0.021 | 30.0~1000.0 | ||||
| 25 | 50.0~1000.0 | |||||
| 30 | 60.0~1000.0 | |||||
| 35 | 0 -0.025 | 70.0~1000.0 | ||||
| 40 | 80.0~1000.0 | |||||
| 50 | 100.0~1000.0 | |||||
| Part Number | L=0.1mm Increment | Keyway ① | Keyway ② | Keyway ③ | |||
| Type | Dg6 | KA, A | KB, B | KC, C | |||
| Tolerance | 1mm Increment | ||||||
| NSFGKR SFGKR PSFGKR SSFGKR (D13, 16, 18 and 22 are not available for SSFGKR.) | 6 | -0.004 -0.012 | 15.0~400.0 | KA+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 | 15.0~500.0 | |||||
| 10 | 15.0~600.0 | ||||||
| 12 | -0.006 -0.017 | 15.0~700.0 | |||||
| 13 | 15.0~700.0 | ||||||
| 15 | 15.0~800.0 | ||||||
| 16 | 15.0~900.0 | ||||||
| 17 | 30.0~900.0 | ||||||
| 18 | 30.0~900.0 | ||||||
| 20 | -0.007 -0.020 | 30.0~1000.0 | |||||
| 22 | 40.0~1000.0 | ||||||
| 25 | 50.0~1000.0 | ||||||
| 30 | 60.0~1000.0 | ||||||
| 35 | -0.009 -0.025 | 70.0~1000.0 | |||||
| 40 | 80.0~1000.0 | ||||||
| 50 | 100.0~1000.0 | ||||||
Alterations
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
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| Part Number |
|---|
| PSFGKR6-[20-300/0.1]-KA[0-298/1]-A[2-100/1] |
| PSFGKR8-[20-400/0.1]-KA[0-397/1]-A[3-100/1] |
| PSFGKR10-[20-500/0.1]-KA[0-497/1]-A[3-100/1] |
| PSFGKR12-[30-600/0.1]-KA[0-596/1]-A[4-100/1] |
| PSFGKR13-[30-600/0.1]-KA[0-595/1]-A[5-100/1] |
| PSFGKR15-[30-700/0.1]-KA[0-695/1]-A[5-100/1] |
| PSFGKR16-[30-800/0.1]-KA[0-795/1]-A[5-100/1] |
| PSFGKR17-[40-800/0.1]-KA[0-795/1]-A[5-100/1] |
| PSFGKR18-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| PSFGKR20-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| PSFGKR22-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| PSFGKR25-[50-800/0.1]-KA[0-792/1]-A[8-100/1] |
| PSFGKR30-[60-800/0.1]-KA[0-792/1]-A[8-100/1] |
| PSFGKR35-[70-800/0.1]-KA[0-790/1]-A[10-100/1] |
| PSFGKR40-[80-800/0.1]-KA[0-788/1]-A[12-100/1] |
| PSFGKR50-[100-800/0.1]-KA[0-786/1]-A[14-100/1] |
| PSFHKR6-[15-400/0.1]-KA[0-400/0.1]-A[2-150/0.1] |
| PSFHKR8-[15-500/0.1]-KA[0-500/0.1]-A[3-150/0.1] |
| PSFHKR10-[15-600/0.1]-KA[0-600/0.1]-A[3-150/0.1] |
| PSFHKR12-[15-700/0.1]-KA[0-700/0.1]-A[4-150/0.1] |
| PSFHKR15-[15-800/0.1]-KA[0-800/0.1]-A[5-150/0.1] |
| PSFHKR17-[30-900/0.1]-KA[0-900/0.1]-A[5-100/0.1] |
| PSFHKR20-[30-1000/0.1]-KA[0-1000/0.1]-A[6-150/0.1] |
| PSFHKR25-[50-1000/0.1]-KA[0-1000/0.1]-A[8-150/0.1] |
| PSFHKR30-[60-1000/0.1]-KA[0-1000/0.1]-A[8-150/0.1] |
| PSFHKR35-[70-1000/0.1]-KA[0-1000/0.1]-A[10-150/0.1] |
| PSFHKR40-[80-1000/0.1]-KA[0-1000/0.1]-A[12-150/0.1] |
| PSFHKR50-[100-1000/0.1]-KA[0-1000/0.1]-A[14-150/0.1] |
| PSFMKR6-[20-300/0.1]-KA[0-298/1]-A[2-100/1] |
| PSFMKR8-[20-400/0.1]-KA[0-397/1]-A[3-100/1] |
| PSFMKR10-[20-500/0.1]-KA[0-497/1]-A[3-100/1] |
| PSFMKR12-[30-600/0.1]-KA[0-596/1]-A[4-100/1] |
| PSFMKR15-[30-700/0.1]-KA[0-695/1]-A[5-100/1] |
| PSFMKR20-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| PSFMKR25-[50-800/0.1]-KA[0-792/1]-A[8-100/1] |
| PSFMKR30-[60-800/0.1]-KA[0-792/1]-A[8-100/1] |
| PSFMKR35-[70-800/0.1]-KA[0-790/1]-A[10-100/1] |
| SFGKR6-[20-300/0.1]-KA[0-298/1]-A[2-100/1] |
| SFGKR8-[20-400/0.1]-KA[0-397/1]-A[3-100/1] |
| SFGKR10-[20-500/0.1]-KA[0-497/1]-A[3-100/1] |
| SFGKR12-[15-900/0.1]-KA[0-900/0.1]-A[4-100/0.1] |
| SFGKR13-[30-600/0.1]-KA[0-595/1]-A[5-100/1] |
| SFGKR15-[30-700/0.1]-KA[0-695/1]-A[5-100/1] |
| SFGKR16-[30-800/0.1]-KA[0-795/1]-A[5-100/1] |
| SFGKR17-[40-800/0.1]-KA[0-795/1]-A[5-100/1] |
| SFGKR18-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| SFGKR20-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| SFGKR22-[40-800/0.1]-KA[0-794/1]-A[6-100/1] |
| SFGKR25-[50-800/0.1]-KA[0-792/1]-A[8-100/1] |
| SFGKR30-[60-800/0.1]-KA[0-792/1]-A[8-100/1] |
| SFGKR35-[70-800/0.1]-KA[0-790/1]-A[10-100/1] |
| SFGKR40-[80-800/0.1]-KA[0-788/1]-A[12-100/1] |
| SFGKR50-[100-800/0.1]-KA[0-786/1]-A[14-100/1] |
| SFHKR6-[15-400/0.1]-KA[0-400/0.1]-A[2-150/0.1] |
| SFHKR8-[15-500/0.1]-KA[0-500/0.1]-A[3-150/0.1] |
| SFHKR10-[15-600/0.1]-KA[0-600/0.1]-A[3-150/0.1] |
| SFHKR12-[15-700/0.1]-KA[0-700/0.1]-A[4-150/0.1] |
| SFHKR15-[15-800/0.1]-KA[0-800/0.1]-A[5-150/0.1] |
| SFHKR17-[30-900/1]-KA[0-900/0.1]-A[5-150/0.1] |
| SFHKR20-[30-1000/0.1]-KA[0-1000/0.1]-A[6-150/0.1] |
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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 | ||
|---|---|---|---|---|---|
| Reference Dimension | Tolerance (N9) | Reference Dimension | Tolerance | ||
| 6-7 | 2 | -0.004 -0.029 | 1.2 | 0.1 -0 | 0.08- 0.16 |
| 8-10 | 3 | 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 | 5.0 | 0.25- 0.4 | ||
| 39-44 | 12 | 0 -0.043 | 5.0 | ||
| 45-50 | 14 | 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.
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
| 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 | 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
Compatible Models
| Category | Ball Bearings | Bearings with Housings | Flexible Couplings | Timing Pulleys | Timing Belts |
|---|---|---|---|---|---|
| Image |  |  |  |  |  |
Basic Information
| Basic Shape | Straight | End Shape (Left) | No Machining | End Shape (Right) | No Machining |
|---|---|---|---|---|---|
| Heat Treatment | Not Hardened | Keyway | With Keyway |
Specification/Dimensions
-
Shaft Dia. D(mm)
-
Material
- Steel
- 304 Stainless Steel
- Steel
-
Surface Finish
- None
- Black Oxide
- Electroless Nickel
-
Shaft Dia. Tolerance (Metric Only)
- h9 (Cold-drawn)
- h7 (Ground)
- g6 (Ground)
-
Length L(mm)
-
A(mm)
-
Keyway (1) [KA](mm)
-
type
- PSFGKR
- PSFHKR
- PSFMKR
- SFGKR
- SFHKR
- SFMKR
- SSFGKR
- SSFHKR
- SSFMKR
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 7 Days or Less
- 9 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Additional Products in this Category
- Rotary Shafts - Double stepped on both ends.
- Rotary Shafts - Both ends stepped and one end externally threaded.
- Rotary Shafts - One end internally threaded.
- Rotary Shafts - With keyways and internally threaded on one end.
- Rotary Shafts - Retaining ring grooves on both ends, sizes in inches.
- Rotary Shafts - Both ends are externally threaded for metric locknuts, sizes in inches.
- Rotary Shafts - Both ends internally threaded, one end stepped, sizes in inches.
- Rotary Shafts - One end stepped and externally threaded, one end internally threaded.
Complementary Products
-
Flexible Couplings - Disc type, for servomotor, high torque, two-bolt clamping type.
MISUMI Days to Ship : 8 Days or more
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