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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 - Retaining Ring Grooves on Both Ends are available in 1045 Carbon Steel or Equivalent and 304 Stainless Steeland 4137 Alloy Steel or Equivalent, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 2mm - 50mm
[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 | |||
Standard | Retaining Ring Groove Outside Datum | |||||
Without Retaining Ring | With Retaining Ring | With Retaining Ring | ||||
① | NSFMRR | NSFMRRA | - | h9 (Cold-drawn) | 1045 Carbon Steel or Equivalent | - |
SFMRR | SFMRRA | - | Black Oxide | |||
PSFMRR | PSFMRRA | - | Electroless Nickel Plating | |||
SSFMRR | SSFMRRA | - | 304 Stainless Steel | - | ||
② | NSFHRR | NSFHRRA | - | h7 (Ground) | 1045 Carbon Steel or Equivalent | - |
SFHRR | SFHRRA | - | Black Oxide | |||
PSFHRR | PSFHRRA | - | Electroless Nickel Plating | |||
SSFHRR | SSFHRRA | - | 304 Stainless Steel | - | ||
③ | NSFRR | NSFRRA | NSFRRGA | g6 (Ground) | 1045 Carbon Steel or Equivalent | - |
SFRR | SFRRA | SFRRGA | Black Oxide | |||
PSFRR | PSFRRA | PSFRRGA | Electroless Nickel Plating | |||
SSFRR | SSFRRA | SSFRRGA | 304 Stainless Steel | - | ||
- | HFRRA | - | 4137 Alloy Steel or Equivalent Hardness: 30 ~ 35HRC | Black Oxide | ||
- | PHFRRA | - | Electroless Nickel Plating |
Part Number | - | L | - | B | - | S | - | P |
SFMRR30 SFHRR40 SFRRGA20 | - - - | 150 230 180 | - - | B6 B10 | - - | S6 S10 | - | P150 |
Part Number | L=0.1mm Increment | B, S 1mm Increment | Retaining Ring No. Accessories: Retaining Ring 2 pcs.(Retaining Ring Type only) | ||
Type | D | ||||
Standard | |||||
Without Retaining Ring NSFMRR SFMRR PSFMRR SSFMRR (D6 is not available for SSFMRR) | With Retaining Ring NSFMRRA SFMRRA PSFMRRA SSFMRRA (D6 is not available for SSFMRRA) | 3 | 15.0~150.0 | 2≤B, S | NETWS2 |
4 | 15.0~200.0 | NETWS3 | |||
5 | 15.0~250.0 | NETWS4 | |||
6 | 15.0~400.0 | NETWS5 | |||
8 | 15.0~500.0 | 3≤B, S | NETWS7 | ||
10 | 15.0~600.0 | STWS10 | |||
12 | 15.0~700.0 | 4≤B, S | STWS12 | ||
15 | 15.0~800.0 | STWS15 | |||
20 | 30.0~1000.0 | STWS20 | |||
25 | 50.0~1000.0 | 5≤B, S | STWS25 | ||
30 | 60.0~1000.0 | STWS30 | |||
35 | 70.0~1000.0 | STWS35 | |||
40 | 80.0~1000.0 | STWS40 | |||
50 | 100.0~1000.0 | STWS50 |
Part Number | L=0.1mm Increment | B, S 1mm Increment | Retaining Ring No.Accessories: Retaining Ring 2 pcs. (Retaining Ring Type only) | ||
Type | D | ||||
Standard | |||||
Without Retaining Ring NSFHRR SFHRR PSFHRR SSFHRR | With Retaining Ring NSFHRRA SFHRRA PSFHRRA SSFHRRA | 6 | 15.0~400.0 | 2≤B, S | NETWS5 |
8 | 15.0~500.0 | 3≤B, S | NETWS7 | ||
10 | 15.0~600.0 | STWS10 | |||
12 | 15.0~700.0 | 4≤B, S | STWS12 | ||
15 | 15.0~800.0 | STWS15 | |||
17 | 30.0~900.0 | STWS17 | |||
20 | 30.0~1000.0 | STWS20 | |||
25 | 80.0~1000.0 | 5≤B, S | STWS25 | ||
30 | 80.0~1000.0 | STWS30 | |||
35 | 80.0~1000.0 | STWS35 | |||
40 | 80.0~1000.0 | STWS40 | |||
50 | 100.0~1000.0 | STWS50 |
Part Number | L=0.1mm Increment | B, S 1mm Increment [ ! ]Standard | P 0.1mm Increment [ ! ]Retaining Ring Groove | m | d | Retaining Ring No.Accessories: Retaining Ring 2 pcs.(Retaining Ring Type only) | ||||||
Type | D | Tolerance | Tolerance | |||||||||
Standard | Retaining Ring Groove Outside Datum | |||||||||||
Without Retaining Ring NSFRR SFRR PSFRR SSFRR (D13, 16, 18 and 22 are not available for SSFRR) | With Retaining Ring NSFRRA SFRRA PSFRRA SSFRRA (D13, 16, 18 and 22 are not available for SSFRRA) *HFRRA (Only * marked sizes are available) *PHFRRA (Only * marked sizes are available ) | With Retaining Ring NSFRRGA SFRRGA PSFRRGA SSFRRGA (D13, 16, 18 and 22 are not available for SSFRRGA) | 2 | 15.0~ 50.0 | 2≤B, S | 3≤P≤L-4 | 0.4 | +0.05 0 | 1.2 | +0.06 0 | NETWS1.2 | |
2.5 | 15.0~ 50.0 | 0.5 | 1.5 | NETWS1.5 | ||||||||
3 | 15.0~150.0 | 2 | NETWS2 | |||||||||
4 | 15.0~200.0 | 0.7 | +0.1 0 | 3 | NETWS3 | |||||||
5 | 15.0~250.0 | 4 | +0.075 0 | NETWS4 | ||||||||
6 | 15.0~400.0 | 5 | NETWS5 | |||||||||
8 | 15.0~500.0 | 3≤B, S | 5≤P≤L-5 | 0.9 | 7 | +0.09 0 | NETWS7 | |||||
10 | 15.0~600.0 | 1.15 | 9.6 | 0 -0.09 | STWS10 | |||||||
12 | 15.0~700.0 | 4≤B, S | 7≤P≤L-6 | +0.14 0 | 11.5 | 0 -0.11 | STWS12 | |||||
13 | 15.0~700.0 | 12.4 | STWS13 | |||||||||
* | 15 | 15.0~800.0 | 14.3 | STWS15 | ||||||||
16 | 15.0~900.0 | 15.2 | STWS16 | |||||||||
17 | 30.0~900.0 | 16.2 | STWS17 | |||||||||
18 | 30.0~900.0 | 1.35 | 17 | STWS18 | ||||||||
* | 20 | 30.0~1000.0 | 19 | 0 -0.21 | STWS20 | |||||||
22 | 70.0~1000.0 | 21 | STWS22 | |||||||||
* | 25 | 80.0~1000.0 | 5≤B, S | 10≤P≤L-8 | 23.9 | STWS25 | ||||||
* | 30 | 80.0~1000.0 | 1.65 | 28.6 | STWS30 | |||||||
35 | 80.0~1000.0 | 33 | 0 -0.25 | STWS35 | ||||||||
40 | 80.0~1000.0 | 1.9 | 38 | STWS40 | ||||||||
50 | 100.0~1000.0 | 2.2 | 47 | STWS50 |
CAD Data download and 3D preview are not available because the part number has not yet been determined.
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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) | Retaining Ring Groove | End Shape (Right) | Retaining Ring Groove |
---|---|---|---|---|---|
Keyway | Keyway Option (Alteration) |
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