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- Ball Splined-Hollow Type, Key Provided Straight Nut, One End Tapped
- E-BKFS is a one of MISUMI economy series.
- Material Spline shaft: Equivalent to SUJ2
- Material Spline Nut: Equivalent to SCR420
- Hardness of Spline shaft and Nut: 58HRC~
- Shaft Outer Dia.: 16, 20, 25 and 30 mm.
- Shaft Overall Length L: 70-800 mm.
- Alteration addition of nut: NTW
- Alteration addition of surface treatment (Nicket plating): NKR
- How to select NTW and NKR added Please check with Misumi Economy catalog.
Accuracy grade | Spline shaft | Nut | ||||||
Type of Spline Shaft | ![]() | ![]() | ![]() | Type | ![]() | ![]() | ![]() | |
Grade N | Hollow | Equivalent to SUJ2 | 58HRC~ | - | Straight | Equivalent to SCR420 | 58HRC~ | - |
Product Drawings of Spline Shaft (Unit: mm)
![]() | ![]() Dh8 | ![]() 1mm increments | ![]() Selection | d | D1 | L1 | L2 | L3 | bH8 | h | r | t | u | Thickness deviation A-B | Basic Rated Torque | Basic Load Rating | Static Allowable Moment | |||||||
Dynamic Ct (N·m) | Static C0t (N·m) | Dynamic C (kN) | Static C0 (kN) | M01 (N·m) | M02 (N·m) | |||||||||||||||||||
Tolerance | ||||||||||||||||||||||||
E-BKFS | 16 | 70~500 | 10 | 8 | 31 | 0 -0.039 | 50 | 34 | 17.5 | 3.5 | 3.5 | 1.75 | 2 | 2 | 1.0 or Less | 35.7 | 65.1 | 4.3 | 7.7 | 37.1 | 260 | |||
20 | 80~600 | 12 | 10 | 35 | 56 | 39.7 | 29 | 4 | 4 | 2 | 2.5 | 59.5 | 107.8 | 5.9 | 10.7 | 55.3 | 380 | |||||||
25 | 90~800 | 18 | 15 | 42 | 71 | 50.3 | 36 | 3 | 135.1 | 243.6 | 10 | 15 | 103.5 | 685.9 | ||||||||||
30 | 100~800 | 20 | 16 | 47 | 80 | 60 | 42 | 190.4 | 343 | 11 | 19.6 | 148.4 | 932.7 |
Max. Runout of Spline Axis Line | |||||||
Shaft Dia. D | ~200 | 201~315 | 316~400 | 401~500 | 501~630 | 631~800 | 801~900 |
8 | 72 | 133 | 185 | 236 | - | - | - |
10 | 59 | 83 | 103 | 123 | 151 | 190 | - |
13 | 56 | 71 | 83 | 95 | 112 | 137 | 170 |
16 | |||||||
20 | |||||||
25 | 53 | 58 | 70 | 78 | 88 | 103 | 124 |
30 |
Part Number |
---|
E-BKFS16-[70-500/1]-M10 |
E-BKFS20-[80-600/1]-M12 |
E-BKFS25-[90-800/1]-M18 |
E-BKFS30-[100-800/1]-M20 |
Part Number | Price | Name | Minimum Order Qty. | Volume Discount | Days to Ship | Shaft Outer Dia. D (Ø) | Shaft Overall Length L (mm) |
---|---|---|---|---|---|---|---|
- | ECONOMY BALL SPLINE | 1 Piece(s) | 10 Day(s) | 16 | 70 ~ 500 | ||
- | ECONOMY BALL SPLINE | 1 Piece(s) | 10 Day(s) | 20 | 80 ~ 600 | ||
- | ECONOMY BALL SPLINE | 1 Piece(s) | 10 Day(s) | 25 | 90 ~ 800 | ||
- | ECONOMY BALL SPLINE | 1 Piece(s) | 10 Day(s) | 30 | 100 ~ 800 |
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![]() | ![]() Dh8 | ![]() 1mm increments | ![]() Selection | d | D1 | L1 | L2 | L3 | bH8 | h | r | t | u | Thickness deviation A-B | Basic Rated Torque | Basic Load Rating | Static Allowable Moment | |||||||
Dynamic Ct (N·m) | Static C0t (N·m) | Dynamic C (kN) | Static C0 (kN) | M01 (N·m) | M02 (N·m) | |||||||||||||||||||
Tolerance | ||||||||||||||||||||||||
E-BKFS | 16 | 70~500 | 10 | 8 | 31 | 0 -0.039 | 50 | 34 | 17.5 | 3.5 | 3.5 | 1.75 | 2 | 2 | 1.0 or Less | 35.7 | 65.1 | 4.3 | 7.7 | 37.1 | 260 | |||
20 | 80~600 | 12 | 10 | 35 | 56 | 39.7 | 29 | 4 | 4 | 2 | 2.5 | 59.5 | 107.8 | 5.9 | 10.7 | 55.3 | 380 | |||||||
25 | 90~800 | 18 | 15 | 42 | 71 | 50.3 | 36 | 3 | 135.1 | 243.6 | 10 | 15 | 103.5 | 685.9 | ||||||||||
30 | 100~800 | 20 | 16 | 47 | 80 | 60 | 42 | 190.4 | 343 | 11 | 19.6 | 148.4 | 932.7 |
Accuracy grade | Spline shaft | Nut | ||||||
Type | ![]() | ![]() | ![]() | Type | ![]() | ![]() | ![]() | |
Grade N | Hollow | Equivalent to SUJ2 | 58HRC~ | - | Straight | Equivalent to SCR420 | 58HRC~ | - |
Nut Type | Compact Flange | Type | Hollow Shaft | End Shape (Left) | Tapped |
---|---|---|---|---|---|
End Shape (Right) | Standard | Shaft material | SUJ2 Equivalent | Nut Material | SCR420 Equivalent |
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