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Rotary Shafts - Both ends stepped, one end externally threaded and the opposite end internally threaded. (Part Numbers)

Rotary Shafts - Both ends stepped, one end externally threaded and the opposite end internally threaded.

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Straight Rotary Shafts - Both Ends Stepped, One End Threaded, One End Tapped are available in 1045 Carbon Steel or Equivalent, with the following options for Surface Treatment : Black Oxide, and Electroless Nickel Plating or No Surface Treatment.
[Diameter range] 6mm - 50mm
[Length range]15mm - 996mm. Use the alteration LKC to specify the length in 0.1mm increment.

Inch option available, please click Here.

  • METRIC
  • inCAD Components
Rotary Shafts - Both Ends Stepped, One End Threaded, One End Tapped:Related Image
[ ! ]Circularity / Straightness / Perpendicularity / Concentricity >> Click here
・Materials
Type[ M ]Material[ S ]Surface Treatment
NSFRB1045 Carbon Steel or Equivalent-
SFRBBlack Oxide
PSFRBElectroless Nickel Plating

Specifications

Part Number-L-F-P-T-S-Q-SC
SFRE25-300-F50-P20-T20-S15-Q10-SC70
 
Part Number-L-F-P-M-T-S-Q
SFRB20-400-F25-P16-M10-T20-S15-Q10
Part Number0.1mm Increment1mm IncrementM (Coarse)Q(Y)
max.
TypeDLFTPS
NSFRB

SFRB


PSFRB
615.0~396.02≤F≤Px55≤T≤Qx75When Q≤6
S≤Qx3
&
S≤T-2

For Q8, 10
S≤Qx3
&
S≤T-3

When Q≥12
S≤Qx3
&
S≤T-5
2.6 3          345        300
815.0~496.0For M3 ~ M8
M+2≤P<D

For M10 ~ 16
M+3≤P<D

For M20 or M24
M+4≤P<D

For M30
M+5≤P<D
2.6 345        3456       400
1015.0~596.0      3456        4568      500
1215.0~696.0 4568        56810     600
1315.0~696.0 456810       56810     
1515.0~796.0 456810       5681012    
1615.0~896.045681012      5681012    
1730.0~896.0 45681012      5681012    
1830.0~896.0 45681012      5681012    
2030.0~996.045681012      568101216   
2250.0~996.0 4568101216      68101216   
2530.0~996.0 4568101216       810121620  
3030.0~996.0  6810121620      81012162024 
3540.0~996.0  681012162024      101216202430
4040.0~996.0     101216202430      1216202430
5040.0~996.0      1216202430       16202430
[ ! ]When D-P (Q)≤2, chamfer C at the step is 0.2 or less.

Alterations



 
[ ! ]For Keyway details, see >> Click here.
[ ! ]For undercut dimension details, refer to >> Click here.

Part Number 

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Part Number
Part NumberMinimum order quantityVolume DiscountDays to Ship RoHSShaft Dia. D
(mm)
Surface Finish Length L
(mm)
Change to Fine Threads [QMC]
(mm)
F
(mm)
M
(mm)
P
(mm)
Q
(mm)
S
(mm)
T
(mm)

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  1. 1

Example

Rotary Shafts - Both Ends Stepped, One End Threaded, One End Tapped:Related Image

Technical Information

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

Detailed dimensions of Keyway for Shaft Dia.(D·P·Q)
Detailed Dimensions for Keyway
Shaft Diameterbtr
Reference DimensionTolerance (N9)Reference DimensionTolerance
6-72-0.004
-0.029
1.20.1
-0
0.08-
0.16
8-1031.8
11-1240
-0.03
2.5
13-1753.00.16-
0.25
18-2263.5
23-3080
-0.036
4.0+0.2
0
31-38105.00.25-
0.4
39-44120
-0.043
5.0
45-50145.0

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

Rotary Shafts Thread Undercut (PC/QC) Dimensions (Reference)

When Thread undercut machining (PC/QC) is specified, PC/QC dimension is as shown in the table below.

As for the PC and QC Dimensions for the Fine Thread alteration (PMC/QMC), also refer to the tables below.

Coarse Thread
P(=M)
Q(=N)
PC
QC
32.4
43.2
54.1
64.4
76.0
107.7
129.4
1613.0
2016.4
2419.6
3025.0
Combined with Fine Thread Alteration
PMC
QMC
PC
QC
32.4
43.2
54.1
64.8
86.4
108.4
1210.4
1513.4
1715.4
2018.4
2522.7
3027.7

Detailed Retaining Ring Groove Dimensions Rotary & Driving Shafts

Shaft Diameterd 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
1110.50
-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

[ ! ]An applicable retaining ring is attached.

Shaft Diameterd ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
20190
-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
3230.30
-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

Accuracy Standards of Rotary Shafts & Driving Shafts Values in () are for driving

[ ! ]Not applicable to h9 (Cold-Drawn)

Circularity, Straightness

[ ! ]Straightness of size D2, D2.5 is 0.1/100.

Circularity, Straightness
DCircularity M
OverTo
22.50.006 (0.003)
3130.004 (0.003)
13200.005 (0.003)
20400.006 (0.005)
40500.007 (0.005)
Tolerances of L, Y & Other Dimensions
DimensionDimension Tolerance
OverTo
26±0.1 (±0.1)
630±0.2 (±0.1)
30120±0.3 (±0.1)
120400±0.5 (±0.2)
4001000±0.8 (±0.2)
Concentricity, Perpendicularity

Support Information

Basis of Fitting Selection/Dimensional Tolerances & Fitting

Difference between Shatf and Rotary Shaft

Comparison of specifications between linear shafts and shafts for rotary shafts

Basic Specifications
SpecificationsRotary ShaftsLinear Shafts
Material1045 Carbon Steel or Equivalent 304 Stainless Steel4137 Alloy Steel or Equivalent52100 Bearing Steel Equivalent SUS440C(13Cr) Stainless Steel Equivalent1045 Carbon Steel Equivalent or 304 Stainless Steel
Quenching/Hardness-Hardness 30-35HRCHigh-frequency quenching-
Outer Diameter Toleranceh9/h7g6g6/h5f8
Surface TreatmentNo 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
AlterationsRotary ShaftsLinear Shafts
L Dimension ToleranceL<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 GroovesUp to 1 location specifiedUp to 2 locations specified
Set Screw FlatUp to 3 locations specifiedUp to 2 locations specified
2 Set Screw FlatUp to 1 location specified
Angle Specification: 15 Deg. Inc
Up to 2 locations specified
Angle Specification: Fixed
V-groove-Up to 2 locations specified
KeywayUp to 4 locations specified
Specified on step: Applicable
Up to 2 locations specified
Specified on step: NOT applicable
Change to Fine Threads1 type2 type
Change to Fine Threads Tap-1 type
UndercutM3~M30M6~M30
Tapped DepthApplicableApplicable
Retainning Ring GrooveUp 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 GrooveUp to 1 location specified-
ConcentricityApplicable-
Left Hand ThreadApplicable-
SlitUp to 1 location specified-
C Chamfering WidthApplicable-

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

 

Basic Information

Basic Shape Both Ends Stepped End Shape (Left) Tapped End Shape (Right) Threaded
Material 1045 Carbon Steel or Equivalent Heat Treatment Not Hardened Keyway Keyway Option (Alteration)
Shaft Dia. Tolerance (Metric Only) g6 (Ground)
  • The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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