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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.
Part Number
Configured Part Number is shown.
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 | - |
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 |
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 |
CAD Data download and 3D preview are not available because the part number has not yet been determined.
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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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.
Click here for the information
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
Category | Ball Bearings | Bearings with Housings | Flexible Couplings | Timing Pulleys | Timing Belts |
---|---|---|---|---|---|
Image |
Basic Shape | Straight | End Shape (Left) | No Machining | End Shape (Right) | No Machining |
---|---|---|---|---|---|
Heat Treatment | Not Hardened | Keyway | With Keyway |
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