WTF Nut

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Using an end-cap method, this model achieve stable motion in a high-speed rotation.
View specifications and model number coding
Days to Ship
For Shaft O.D. (mm)
Lead (mm)
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Attributes Part Number Unit Price Quantity Days to Ship Include Shaft Item Total
For Shaft O.D. (mm):15
Lead (mm):20
WTF1520-3ZZ NUT Days to Ship:2 - 3 weeks*
For Shaft O.D. (mm):15
Lead (mm):20
WTF1520-6ZZ NUT Days to Ship:2 - 3 weeks*
For Shaft O.D. (mm):15
Lead (mm):30
WTF1530-2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):20
Lead (mm):40
WTF2040-2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):20
Lead (mm):40
WTF2040-3ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):25
Lead (mm):50
WTF2550-2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):25
Lead (mm):50
WTF2550-3ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):30
Lead (mm):60
WTF3060-2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):30
Lead (mm):60
WTF3060-3ZZ NUT Days to Ship:1 - 3 days
Subtotal: $0.00
  • Screw shaft outer diameter
    d
    Lead
    Ph
    Model No. Ball center-to-center diameter
    dp
    Thread minor diameter
    dc
    No. of loaded circuits
    Rows × turns
    Basic load rating Rigidity
    K
    Nut dimensions Axial clearance Screw shaft inertial moment/mm Nut mass
    Dynamic
    Ca
    Static
    C0a
    Outer diameter
    D
    Flange diameter
    D0
    Overall length
    L1
    H B1 PCD d1 Tw Greasing hole Seal
    M1
    N1 A
    mm mm mm mm kN kN N/µm mm mm mm mm mm mm mm mm mm mm mm kg•cm2/mm kg
    15 20 WTF1520‑3 15.75 12.5 2×1.5 5.5 14.2 140 32 53 45 10 28 43 5.5 33 5 M6×1 3.5 0.1 3.9 × 10-4 0.2
    15 20 WTF1520‑6 15.75 12.5 4×1.5 10.1 28.5 280 32 53 45 10 28 43 5.5 33 5 M6×1 3.5 0.1 3.9 × 10-4 0.2
    15 30 WTF1530‑2 15.75 12.5 4×0.6 4.3 9.3 120 32 53 33 10 17 43 5.5 33 5 M6×1 3.5 0.1 3.9 × 10-4 0.22
    20 40 WTF2040‑2 20.75 17.5 4×0.65 5.4 13.6 160 37 57 41.5 10 25.5 47 5.5 38 5.5 M6×1 3.5 0.1 1.23 × 10-3 0.25
    20 40 WTF2040‑3 20.75 17.5 2×1.65 6.6 17.2 200 37 57 81.5 10 65.5 47 5.5 38 5.5 M6×1 3.5 0.1 1.23 × 10-3 0.5
    25 50 WTF2550‑2 26 21.9 4×0.65 8.5 21.2 200 45 69 52 12 31.5 57 6.6 46 7 M6×1 3.5 0.1 3.01 × 10-3 0.45
    25 50 WTF2550‑3 26 21.9 2×1.65 10.4 26.9 260 45 69 102 12 81.5 57 6.6 46 7 M6×1 3.5 0.1 3.01 × 10-3 0.85
    30 60 WTF3060‑2 31.25 26.4 4×0.65 11.8 30.6 240 55 89 62.5 15 37.5 71 9 56 9 M6×1 3.8 0.14 6.24 × 10-3 0.8
    30 60 WTF3060‑3 31.25 26.4 2×1.65 14.5 38.9 310 55 89 122.5 15 97.5 71 9 56 9 M6×1 3.8 0.14 6.24 × 10-3 1.7
    AFB-LF is the default grease. For more detailed specifications, please download the Product Catalog with the link in the Downloads section of this product page.
  • Model Screw shaft outer diameter*1 Lead*1 Circuits Seals
    WTF 15 20 - 3 ZZ NUT
    WTF 15~30 20~60 Various ZZ : Brush seals

    Note 1: See the Specifications tab to see standard sizes available.
    The above selections are Online Store standards. If you need a selection that differs from the standard, please contact us at tossales@thk.com