Part Number System
SFK Series
SFD & SFI Series
SFE Series
SFT Series
SFU Series
Features: Precision Ground Ball Screws
1. Nut Type Codes
S:
S: Single Nut
D: Double Nut
F:
F: With Flange
C:Without Flange
T:

T: T type nut
I:I type nut
D: D type nut
E: E type nut
K: K type nut
U: DIN nut

2. Thread Direction
3. Shaft Diameter (mm)
4. Lead (mm)
5. Turns x Circuits
T:1 A: 1.5 or 1.7 B:2.5 C:3.5
Example: B2 = 2.5x2
6. Flange Type
N: Round
S: Single Flat
D: Double Flats
7. Thread Type
G: Ground
R: Rolled
9. Overall Length of Shaft (mm)
10. Axial Clearance ( See table below)
P0, P1, P2, P3, P4
8. Accuarcy Grade ( See table below)
C0, C1, C2, C3, C5, C7, C10
R: Right
L: Left
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Features: Precision Rolled Ball Screws
  • Screw Diameter: 4mm to 50mm
  • Lead: 1mm to 40mm
  • Accuracy Grade (JIS) - Axial Clearance (microns): C7-20 to C10-50
  • Stocked, thread to length for quick delivery
  • Custom end machining
  • Anti-corrosive coating