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Ball Splines - One End Stepped and Threaded (Part Numbers)
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ball spline with a stepped male thread on one end. This standard enables highly accurate linear motion and rotational torque transmission. In addition, the contact area between the ball groove machined into the shaft and the steel ball is large, resulting in a large load capacity and long life. Even a single axis can be used as a linear motion guide, allowing for a compact design.
A dustproof seal is attached to the nut, so the ball will not fall off even if the spline shaft is removed.
(i)Caution
- Please check the content on our website as the PDF does not contain the most up-to-date information.
Part Number
Configured Part Number is shown.
| One End Stepped and Threaded | Spline Shafts [ M ] SUJ2 Equivalent Nut [ M ] SCM415 Equivalent [ H ] Hardness: 58HRC ~ | Spline Shaft, Nut [ M ] Material: SUS440C Equivalent [ H ] Hardness: 55HRC ~ |
| Nut 1 pc. | Nut 1 pc. | |
| With Round Flange Nut | BSKM | BSKMS |
| With Compact Flange Nut | BSKN | - |
| With Straight Nut | BSKS | BSKSS |
Specifications
| Part Number | - | L | - | F | - | B | - | P | - | M |
BSKS8 BSKS8G BSKS8L | - - - | 250 250 250 | - - - | F20 F20 F20 | - - - | B15 B15 B15 | - - - | P6 P6 P6 | - - - | M6 M6 M6 |
For Days to Ship, Price and Performance, see >> P.340
| Part Number | 1mm Increment | P Selection | M (Coarse) Selection (M≤P) | D | (Y) | Mass (kg/m) | |||||||||||||||||||||||
| Type | No. | L | F | B | 1-Nut Type | ||||||||||||||||||||||||
| 1-Nut Type | min~max | ||||||||||||||||||||||||||||
| BSKM BSKN BSKS BSKMS BSKSS | *6 | 60~400(190) | When P=3 4≤F≤9 When P=4 4≤F≤16 When P≥5 4≤F≤Px5 [ ! ]F≥B+2 | When M=3 2≤B≤9 When M=4 2≤B≤16 When M≥5 2≤B≤Mx5 [ ! ]B≥Pitchx3+ℓ [ ! ]For SUS materials,M≤B≤Mx3 | 3 | 4 | 5 | 3 | 4 | 5 | 6 | 56~396(186) | 0.23 | ||||||||||||||||
| *8 | 60~400(190) | 4 | 5 | 6 | 4 | 5 | 6 | 8 | 56~396(186) | 0.39 | |||||||||||||||||||
| *10 | 60~600(390) | 4 | 5 | 6 | 8 | 4 | 5 | 6 | 8 | 10.4 | 56~596(386) | 0.65 | |||||||||||||||||
| *13 | 60~600(390) | 5 | 6 | 8 | 10 | 5 | 6 | 8 | 10 | 13.4 | 56~596(386) | 1.11 | |||||||||||||||||
| *16 | 70~600(390) | 5 | 6 | 8 | 10 | 12 | 13 | 6 | 8 | 10 | 12 | 16.6 | 66~596(386) | 1.65 | |||||||||||||||
| 20 | 80~700 | 8 | 10 | 12 | 13 | 15 | 16 | 20 | 6 | 8 | 10 | 12 | 16 | 20.6 | 76~696 | 2.57 | |||||||||||||
| 25 | 90~900 | 8 | 10 | 12 | 13 | 15 | 16 | 20 | 6 | 8 | 10 | 12 | 16 | 20 | 25.8 | 86~896 | 4.04 | ||||||||||||
| 30 | 100~1150 | 10 | 12 | 13 | 15 | 16 | 20 | 25 | 8 | 10 | 12 | 16 | 20 | 24 | 30.8 | 96~1146 | 5.85 | ||||||||||||
[ ! ]For BSKN, only No. 6, 8 and 10 are available.
| No. | D (h6) | L | Df | H | P.C.D. | d1 | d2 | h | W | d | B | Basic Rated Torque | Basic Load Rating | Allowable Static Moment | Mass (kg) | |||
| Dynamic Ct (N • m) | Static C0t (N • m) | Dynamic C (kN) | Static C0 (kN) | M01 (N • m) | M02 (N • m) | |||||||||||||
| 6 | 14 | 25 | 30 | 6 | 22 | 3.5 | 6 | 3.1 | 6.5 | 1.5 | 18 | 3.8 | 7 | 1.2 | 2.1 | 5 | 36 | 0.03 |
| 8 | 16 | 32 | 24 | 21 | 4.8 | 8.7 | 1.2 | 2.1 | 5 | 36 | 0.04 | |||||||
| 10 | 21 | 40(33) | 42(41) | 6(8) | 32(30) | 4.5 | 8 | 4.4(5.3) | 14(8.5) | 25 | 19(11) | 34(21) | 3.8(2.4) | 6.9(4.3) | 26(15) | 181(102) | 0.09 | |
| 13 | 24 | 44(36) | 44(45) | 7(8) | 33(34) | 15(10) | - | 28(20) | 52(37) | 4.6(3.3) | 8.3(5.9) | 36(22) | 251(148) | 0.11 | ||||
| 16 | 31 | 50 | 51 | 7 | 40 | 4.4 | 18 | 51 | 93 | 6.2 | 11.1 | 56 | 386 | 0.2 | ||||
| 20 | 35 | 63 | 58 | 9 | 45 | 5.5 | 9.5 | 5.4 | 22.5 | 2 | 85 | 154 | 8.5 | 15.3 | 83 | 611 | 0.3 | |
| 25 | 42 | 71 | 65 | 52 | 26.5 | 193 | 348 | 15.4 | 27.7 | 173 | 1248 | 0.4 | ||||||
| 30 | 47 | 80 | 75 | 10 | 60 | 6.6 | 11 | 6.5 | 30 | 2.5 | 272 | 490 | 18.5 | 33.3 | 212 | 1581 | 0.57 | |
| No. | D (h6) | L | b | t +0.05 0 ( ) | d | α | Basic Rated Torque | Basic Load Rating | Allowable Static Moment | Mass (kg) | Dimensions of Key (Included) | |||||||||
| Tolerance | Dynamic Ct (N • m) | Static C0t (N • m) | Dynamic C (kN) | Static C0 (kN) | M01 (N • m) | M02 (N • m) | B | h | L1 | R | ||||||||||
| Tolerance | Tolerance | |||||||||||||||||||
| 6 | 14 | 25 | 2.5 | +0.014 0 | 1.2 | 1.5 | 15° | 3.8 | 7 | 1.2 | 2.1 | 5 | 36 | 0.012 | 2.5 | +0.016 +0.006 | 2.5 | 0 -0.025 | 10.5 | 1.25 |
| 8 | 16 | 25° | 4.8 | 8.7 | 1.2 | 2.1 | 5 | 36 | 0.013 | 10.5 | ||||||||||
| 10 | 21 | 40(33) | 3 | 1.5 | - | 19(11) | 34(21) | 3.8(2.4) | 6.9(4.3) | 26(15) | 181(102) | 0.06 | 3 | 3 | 17(14) | 1.5 | ||||
| 13 | 24 | 44(36) | 28(20) | 52(37) | 4.6(3.3) | 8.3(5.9) | 36(22) | 251(148) | 0.07 | 17(14) | ||||||||||
| 16 | 31 | 50 | 3.5 | +0.018 0 | 2 | 51 | 93 | 6.2 | 11.1 | 56 | 386 | 0.15 | 3.5 | +0.024 +0.012 | 3.5 | 0 -0.030 | 18 | 1.75 | ||
| 20 | 35 | 63 | 4 | 2.5 | 2 | 85 | 154 | 8.5 | 15.3 | 83 | 611 | 0.2 | 4 | 4 | 29 | 2 | ||||
| 25 | 42 | 71 | 193 | 348 | 15.4 | 27.7 | 173 | 1248 | 0.29 | 33 | ||||||||||
| 30 | 47 | 80 | 2.5 | 272 | 490 | 18.5 | 33.3 | 212 | 1581 | 0.37 | 42 | |||||||||
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.
| Part Number |
|---|
| Part Number | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Nut Type | Shaft Outer Dia. D (Ø) | Nut Overall Length (mm) | Nut O.D. (Ø) | Shaft material | Shaft Overall Length L (mm) | Basic Load Rating: Dynamic Load (N) | Allowable Torque (N•m) | Nut Material | Grease | B (mm) | F (mm) | M (mm) | P (mm) |
|---|
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More Information
Basic Information
| Type | Solid Shaft | Nut Length | Standard | Preload | Standard |
|---|---|---|---|---|---|
| Accuracy Grade | Standard Grade | End Shape (Left) | Stepped and Threaded | End Shape (Right) | Standard |
| Torque | Middle Torque | Ball Recirculating Type | Single |
Specification/Dimensions
-
Nut Type
- Straight
- Flanged Type
-
Shaft Outer Dia. D(Ø)
-
Nut Overall Length(mm)
-
Nut O.D.(Ø)
-
Shaft material
- SUS440C Equivalent
- SUJ2 Equivalent
-
Shaft Overall Length L(mm)
-
Nut Material
- SCM415 Equivalent
- SUS440C Equivalent
-
Grease
- ET-100K
- LG2
- Standard (S2)
-
B(mm)
-
F(mm)
-
M(mm)
-
P(mm)
-
type
- BSKM
- BSKMS
- BSKN
- BSKS
- BSKSS
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 8 Day(s) or Less
- 9 Day(s) or Less
- 10 Day(s) or Less
- 11 Day(s) 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
- Ball Splines - Standard
- Ball Splines - Both Ends Stepped and Threaded
- Ball Splines Key Provided Straight Nut, One End Tapped
- Ball Splines Round Flanged, Both Ends Stepped
- Ball Splines Key Provided Straight Nut, One End Double Stepped and Threaded / One End Tapped
- Ball Splined-Hollow Type, Key Provided Straight Nut, Both Ends Tapped
- Ball Splines-Hollow Type, Round Flanged, Both End Tapped
- Miniature Hexagonal Spline, Single Nut (HTK) / Double Nut (HTKW) Series
Complementary Products
-
Shaft Supports - T-Shaped Slit (Cast Type) - Standard
MISUMI Standard Price : MYR 28.17- Days to Ship : 1 Day(s) or more
-
Height-adjusting Spacers for Flanged Bushings
MISUMI Standard Price : MYR 22.00- Days to Ship : 4 Day(s) or more
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