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■Tolerance Table
| ■Circularity and Straightness ■Perpendicularity |
D | Circularity M | |
over | or Less | |
3 | 13 | 0.004 |
13 | 20 | 0.005 |
20 | 40 | 0.006 |
40 | 50 | 0.007 |
D | Straightness K |
2·2.5 | 0.1 |
3·4 | 0.03 |
5 | 0.02 |
6 or more | 0.01 |
Dimension | Dimension Tolerance | |
over | or Less | |
2 | 6 | ±0.1 |
6 | 30 | ±0.2 |
30 | 120 | ±0.3 |
120 | 400 | ±0.5 |
400 | 1000 | ±0.8 |
Type | D Tolerance | [M] Material | [S] Surface Treatment | ||
Standard | Wrench Flats | ||||
(1) | NSFMRT | NSFMRTS | h9 (Cold-drawn) | EN 1.1191 Equiv. | — |
SFMRT | SFMRTS | Black Oxide | |||
PSFMRT | PSFMRTS | Electroless Nickel Plating | |||
SSFMRT | SSFMRTS | EN 1.4301 Equiv. | — | ||
(2) | NSFHRT | NSFHRTS | h7 (Ground) | EN 1.1191 Equiv. | — |
SFHRT | SFHRTS | Black Oxide | |||
PSFHRT | PSFHRTS | Electroless Nickel Plating | |||
SSFHRT | SSFHRTS | EN 1.4301 Equiv. | — | ||
(3) | NSFRT | NSFRTS | g6 (Ground) | EN 1.1191 Equiv. | — |
SFRT | SFRTS | Black Oxide | |||
PSFRT | PSFRTS | Electroless Nickel Plating | |||
SSFRT | SSFRTS | EN 1.4301 Equiv. | — | ||
HFRT | — | EN 1.7220 Equiv. [H]Hardness: 30 to 35HRC | Black Oxide | ||
PHFRT | — | Electroless Nickel Plating | |||
AHFRT | AHFRTS | High Hardness Stainless Steel Hardness: 35HRC or More | — |
Part Number | — | L | — | M | — | SC | |
SFMRT30 SSFHRTS25 SF−PSFRT30 | — — — | 250 200 300 | — — — | M12 M8 M10 | — | SC20 |
Part Number | L 0.1 mm Increments | M (Coarse) Selection | SC 1 mm Increments Wrench Flats Type only | W | ℓ2 | |||||||||||||
Type | D | |||||||||||||||||
Standard | Wrench Flats | |||||||||||||||||
NSFMRT SFMRT PSFMRT SSFMRT (D4, 5, 13, 17, 18, or 22 is not available for SSFMRTS.) | NSFMRTS SFMRTS PSFMRTS SSFMRTS (D13, 17, 18, or 22 is not available for SSFMRTS.) (Wrench flats are not available for D4 and D5.) | 4 | 15.0 to 200.0 | 2 | — | — | — | |||||||||||
5 | 15.0 to 250.0 | 2 | 2.6 | 3 | ||||||||||||||
6 | 15.0 to 500.0 | 2.6 | 3 | 4 | SC+ℓ2 ≤ L SC = 0or SC ≥ 1 [ ! ] When SC ≤ M × 3, W−M ≥ 2 | 5 | 8 | |||||||||||
8 | 15.0 to 500.0 | 2.6 | 3 | 4 | 5 | 6 | 7 | |||||||||||
10 | 15.0 to 800.0 | 3 | 4 | 5 | 6 | 8 | ||||||||||||
12 | 15.0 to 900.0 | 3 | 4 | 5 | 6 | 8 | 10 | 10 | ||||||||||
13 | 15.0 to 900.0 | 3 | 4 | 5 | 6 | 8 | 11 | |||||||||||
15 | 15.0 to 1000.0 | 3 | 4 | 5 | 6 | 8 | 10 | 13 | ||||||||||
16 | 15.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | ||||||||||
17 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | |||||||||||
18 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 15 | ||||||||||
20 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 17 | |||||||||
22 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 19 | |||||||||
25 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 22 | |||||||||
30 | 20.0 to 1000.0 | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 27 | 15 | ||||||||
35 | 70.0 to 1000.0 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 |
Part Number | L 0.1 mm Increments | M (Coarse) Selection | SC 1 mm Increments Wrench Flats Type only | W | ℓ2 | ||||||||||||||
Type | D | ||||||||||||||||||
Standard | Wrench Flats | ||||||||||||||||||
NSFHRT SFHRT PSFHRT SSFHRT | NSFHRTS SFHRTS PSFHRTS SSFHRTS (Wrench flats are not available for D4 and D5.) | 4 | 15.0 to 200.0 | 2 | — | — | — | ||||||||||||
5 | 15.0 to 250.0 | 2 | 2.6 | 3 | |||||||||||||||
6 | 15.0 to 500.0 | 2.6 | 3 | 4 | SC+ℓ2 ≤ L SC = 0or SC ≥ 1 [ ! ] When SC ≤ M × 3, W−M ≥ 2 | 5 | 8 | ||||||||||||
8 | 15.0 to 500.0 | 2.6 | 3 | 4 | 5 | 6 | 7 | ||||||||||||
10 | 15.0 to 800.0 | 3 | 4 | 5 | 6 | 8 | |||||||||||||
12 | 15.0 to 900.0 | 3 | 4 | 5 | 6 | 8 | 10 | 10 | |||||||||||
15 | 15.0 to 1000.0 | 3 | 4 | 5 | 6 | 8 | 10 | 13 | |||||||||||
17 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | |||||||||||
20 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 17 | ||||||||||
25 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 22 | ||||||||||
30 | 20.0 to 1000.0 | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 27 | 15 | |||||||||
35 | 70.0 to 1000.0 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 | ||||||||||
40 | 80.0 to 1000.0 | 10 | 12 | 16 | 20 | 24 | 30 | 36 | 20 | ||||||||||
50 | 100.0 to 1000.0 | 12 | 16 | 20 | 24 | 30 | 41 |
Part Number | L 0.1 mm Increments | M (Coarse) Selection | SC 1 mm Increments Wrench Flats Type only | W | ℓ2 | |||||||||||||||
Type | D | |||||||||||||||||||
Standard | Wrench Flats | |||||||||||||||||||
NSFRT SFRT PSFRT SSFRT * HFRT (D15, 20, 25, 30, 35, 40, and 50 are available for HFRT.) * PHFRT (D15, 20, 25, 30, 35, 40, and 50 are available for PHFRT.) AHFRT (Only * marked sizes are available.) | NSFRTS SFRTS PSFRTS SSFRTS AHFRTS (Only * marked sizes are available.) (Wrench flats are not available for D4 and D5.) | * | 4 | 15.0 to 200.0 | 2 | — | — | — | ||||||||||||
* | 5 | 15.0 to 250.0 | 2 | 2.6 | 3 | |||||||||||||||
* | 6 | 15.0 to 500.0 | 2.6 | 3 | 4 | SC+ℓ2 ≤ L SC = 0or SC ≥ 1 [ ! ] When SC ≤ M × 3, W−M ≥ 2 | 5 | 8 | ||||||||||||
* | 8 | 15.0 to 500.0 | 2.6 | 3 | 4 | 5 | 6 | 7 | ||||||||||||
* | 10 | 15.0 to 800.0 | 3 | 4 | 5 | 6 | 8 | |||||||||||||
* | 12 | 15.0 to 900.0 | 3 | 4 | 5 | 6 | 8 | 10 | 10 | |||||||||||
13 | 15.0 to 900.0 | 3 | 4 | 5 | 6 | 8 | 11 | |||||||||||||
* | 15 | 15.0 to 1000.0 | 3 | 4 | 5 | 6 | 8 | 10 | 13 | |||||||||||
* | 16 | 15.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | |||||||||||
17 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | |||||||||||||
18 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 15 | ||||||||||||
* | 20 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 17 | ||||||||||
22 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 19 | |||||||||||
* | 25 | 20.0 to 1000.0 | 4 | 5 | 6 | 8 | 10 | 12 | 16 | 22 | ||||||||||
30 | 20.0 to 1000.0 | 5 | 6 | 8 | 10 | 12 | 16 | 20 | 27 | 15 | ||||||||||
35 | 70.0 to 1000.0 | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 | |||||||||||
40 | 80.0 to 1000.0 | 10 | 12 | 16 | 20 | 24 | 30 | 36 | 20 | |||||||||||
50 | 100.0 to 1000.0 | 12 | 16 | 20 | 24 | 30 | 41 |
Coarse Thread Pitch | |
M | Pitch |
2 | 0.4 |
2.6 | 0.45 |
3 | 0.5 |
4 | 0.7 |
5 | 0.8 |
6 | 1.0 |
8 | 1.25 |
10 | 1.5 |
12 | 1.75 |
16 | 2.0 |
20 | 2.5 |
24 | 3.0 |
30 | 3.5 |
Alterations Code | Alteration Details | Applicable Conditions | Ordering Example | ||||||||||||
KC | Keyway at One Location | KC, A = 0.1 mm Increments [ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied. [ ! ] Key Length ≤ 100[ NG ] Not applicable when Shaft Dia. ≤ ø5 | SFMRT10-150-M4-KC50-A10 | ||||||||||||
WKC | Keyways at Two Locations | WKC, C, K, E = 0.1 mm Increments [ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied. [ ! ] Key Length ≤ 100[ NG ] Not applicable when Shaft Dia. ≤ ø5 | SFMRT10-150-M4-WKC5-C20-K5-E10 | ||||||||||||
KZ | Keyway (1 Location (for 4th Location)) | KZ, Z = 0.1 mm Increments [ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied. [ ! ] Key Length ≤ 100 [ NG ] Not applicable when Shaft Dia. ≤ ø5[ ! ] Applicable only when combined with both KC and WKC | SFMRT10-150-M4-KC5-A10-WKC20-C10-K5-E10-KZ50-Z10 | ||||||||||||
FC | Set Screw Flat at One Location | FC, G = 1 mm Increments [ ! ]G ≤ 70 | SFMRT10-150-M4-FC10-G3 | ||||||||||||
WFC | Set Screw Flats at Two Locations | WFC, J, W, V = 1 mm Increments [ ! ]J·V ≤ 70 | SFMRT10-150-M4-WFC10-J15-W10-V20 | ||||||||||||
SFC | Set Screw Flat, 2 Set Screw Flats (Angle Specified) | SFC, SG = 1 mm Increments AG = 15° Increments [ ! ]SG ≤ 70 | SFMRT10-150-M4-SFC10-SG3-AG120 | ||||||||||||
UC | Slit Cam Groove | UC = 1 mm Increments [ NG ] Not applicable when Shaft Dia. = ø2 or ø2.5 or when D ≥ 13 [NG] AHFRT or AHFRTS is not available | SFMRT10-150-M4-UC20 | ||||||||||||
TA·TB | Retaining Ring Groove | TA, TB = 0.1 mm Increments [ ! ]2 ≤ TA·TB ≤ 150 | SFMRT10-150-M4-TA10 | ||||||||||||
LKC | L Dimension Tolerance Change | L < 500···L±0.05 L ≥ 500···L±0.1 [ NG ] Not applicable when L ≥ 800 | SFMRT10-150-M4-LKC | ||||||||||||
MM | Slit Added | Add a slit on the opposite side of the tapped. [NG] D35 or higher is not available
| SFMRT10-150-M4-MM | ||||||||||||
CD | Changes Part D Chamfering | Changes Part D Chamfering Size * Select CD from table [ ! ] Only values provided on the Applicable Dia. Table are applicable
| SFMRT10-150-M4-CD3 | ||||||||||||
MD | Tapped Depth | To specify this Alteration, replace M with MD [NG] Not applicable when M = 2, 2.6, 24 or 30 | SFMRT10-150-MD4 |
Keyway Dimensions
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Detailed Retaining Ring Groove Dimensions for Rotary Shafts
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D | Center Hardness (HRC) |
3 | 35 or More |
4 | 35 or More |
5 | 35 or More |
6 | 35 or More |
8 | 35 or More |
10 | 30 or More |
12 | 30 or More |
15 | 30 or More |
16 | 30 or More |
20 | 25 or More |
25 | 25 or More |
Material | Tensile 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 |
C | Si | Mn | P | S | Ni | Cr |
0.15-0.25 | ≤ 0.50 | 7.5-9.5 | ≤ 0.05 | ≥ 0.12 | 1.5-3.0 | 13-15 |
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Part Number | Minimum order quantity | Volume Discount | RoHS | Material | Hardness | Surface Treatment | D Tolerance | Shaft Dia. D (mm) | Length L (mm) | Wrench Flats | Tapped (Coarse / Effective Length: Nominal Diameter × 2) [M] (mm) | Tapped (Coarse / Effective Length: Nominal Diameter × 3) [MD] (mm) | Wrench Flats Machining [SC] (mm) | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 15 | 15 ~ 800 | W/o Wrench Flats | 4 ~ 10 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 15 | 15 ~ 800 | W/o Wrench Flats | - | 4 ~ 10 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 20 | 30 ~ 800 | W/o Wrench Flats | 4 ~ 16 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 20 | 30 ~ 800 | W/o Wrench Flats | - | 4 ~ 16 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 25 | 50 ~ 800 | W/o Wrench Flats | 4 ~ 16 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 25 | 50 ~ 800 | W/o Wrench Flats | - | 4 ~ 16 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 30 | 60 ~ 800 | W/o Wrench Flats | 6 ~ 20 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 30 | 60 ~ 800 | W/o Wrench Flats | - | 6 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 35 | 70 ~ 800 | W/o Wrench Flats | 6 ~ 24 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 35 | 70 ~ 800 | W/o Wrench Flats | - | 6 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 40 | 80 ~ 800 | W/o Wrench Flats | 10 ~ 30 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 40 | 80 ~ 800 | W/o Wrench Flats | - | 10 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 50 | 100 ~ 800 | W/o Wrench Flats | 12 ~ 30 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Black Oxide | g6 (Ground) | 50 | 100 ~ 800 | W/o Wrench Flats | - | 12 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 15 | 15 ~ 800 | W/o Wrench Flats | 4 ~ 10 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 15 | 15 ~ 800 | W/o Wrench Flats | - | 4 ~ 10 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 20 | 30 ~ 800 | W/o Wrench Flats | 4 ~ 16 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 20 | 30 ~ 800 | W/o Wrench Flats | - | 4 ~ 16 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 25 | 50 ~ 800 | W/o Wrench Flats | 4 ~ 16 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 25 | 50 ~ 800 | W/o Wrench Flats | - | 4 ~ 16 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 30 | 60 ~ 800 | W/o Wrench Flats | 6 ~ 20 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 30 | 60 ~ 800 | W/o Wrench Flats | - | 6 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 35 | 70 ~ 800 | W/o Wrench Flats | 6 ~ 24 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 35 | 70 ~ 800 | W/o Wrench Flats | - | 6 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 40 | 80 ~ 800 | W/o Wrench Flats | 10 ~ 30 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 40 | 80 ~ 800 | W/o Wrench Flats | - | 10 ~ 20 | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 50 | 100 ~ 800 | W/o Wrench Flats | 12 ~ 30 | - | - | ||
1 | 9 Days | 10 | [Steel] EN 1.7220 Equiv. | Hardened | [Surface Treatment Provided] Electroless Nickel Plating | g6 (Ground) | 50 | 100 ~ 800 | W/o Wrench Flats | - | 12 ~ 20 | - |
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Basic Shape | Straight | Environmentally friendly | RoHS Compliant (10 Substances) | End Shape (Left) | Tapped |
---|---|---|---|---|---|
Characteristics/Applications | Not Applicable | End Shape (Right) | Straight | Keyway | Keyway Option (Alteration) |
Cleaning Method | No Cleaning |
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Basic Attributes
Material
Surface Treatment
D Tolerance
Shaft Dia. D(mm)
Length L(mm)
Wrench Flats
Tapped (Coarse / Effective Length: Nominal Diameter × 2) [M](mm)
Tapped (Coarse / Effective Length: Nominal Diameter × 3) [MD](mm)
Wrench Flats Machining [SC](mm)
Type
Hardness
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Optional Attributes