BLK 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)
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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):10
BLK1510-5.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):16
Lead (mm):16
BLK1616-3.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):16
Lead (mm):16
BLK1616-7.2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):20
Lead (mm):20
BLK2020-3.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):20
Lead (mm):20
BLK2020-7.2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):25
Lead (mm):25
BLK2525-3.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):25
Lead (mm):25
BLK2525-7.2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):32
Lead (mm):32
BLK3232-3.6ZZ NUT Days to Ship:Contact Us
For Shaft O.D. (mm):32
Lead (mm):32
BLK3232-7.2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):36
Lead (mm):20
BLK3620-5.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):36
Lead (mm):24
BLK3624-5.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):36
Lead (mm):36
BLK3636-3.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):36
Lead (mm):36
BLK3636-7.2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):40
Lead (mm):40
BLK4040-3.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):40
Lead (mm):40
BLK4040-7.2ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):50
Lead (mm):50
BLK5050-3.6ZZ NUT Days to Ship:1 - 3 days
For Shaft O.D. (mm):50
Lead (mm):50
BLK5050-7.2ZZ 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
    D1
    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 10 BLK1510‑5.6 15.75 12.5 2×2.8 9.8 25.2 260 34 57 44 10 24 45 5.5 40 5 M6×1 3.5 0.1 3.9 × 10-4 0.26
    16 16 BLK1616‑3.6 16.65 13.7 2×1.8 5.8 12.9 170 32 53 38 10 21.5 42 4.5 38 5 M6×1 3.5 0.1 5.05 × 10-4 0.21
    16 16 BLK1616‑7.2 16.65 13.7 4×1.8 10.5 25.9 340 32 53 38 10 21.5 42 4.5 38 5 M6×1 3.5 0.1 5.05 × 10-4 0.25
    20 20 BLK2020‑3.6 20.75 17.5 2×1.8 7.7 22.3 210 39 62 45 10 27.5 50 5.5 46 5 M6×1 3.5 0.1 1.23 × 10-3 0.35
    20 20 BLK2020‑7.2 20.75 17.5 4×1.8 13.9 44.6 410 39 62 45 10 27.5 50 5.5 46 5 M6×1 3.5 0.1 1.23 × 10-3 0.35
    25 25 BLK2525‑3.6 26 22 2×1.8 12.1 35 270 47 74 55 12 35 60 6.6 56 6 M6×1 3.5 0.1 3.01 × 10-3 0.64
    25 25 BLK2525‑7.2 26 22 4×1.8 21.9 69.9 520 47 74 55 12 35 60 6.6 56 6 M6×1 3.5 0.1 3.01 × 10-3 0.64
    32 32 BLK3232‑3.6 33.25 28.3 2×1.8 17.3 53.9 330 58 92 70 15 45 74 9 68 7.5 M6×1 3.8 0.14 8.08 × 10-3 1.14
    32 32 BLK3232‑7.2 33.25 28.3 4×1.8 31.3 107.8 650 58 92 70 15 45 74 9 68 7.5 M6×1 3.8 0.14 8.08 × 10-3 1.14
    36 20 BLK3620‑5.6 37.75 31.2 2×2.8 39.8 121.7 570 70 110 78 17 45 90 11 80 8.5 M6×1 5 0.17 1.29 × 10-2 1.74
    36 24 BLK3624‑5.6 38 30.7 2×2.8 46.2 137.4 590 75 115 94 18 59 94 11 86 9 M6×1 5 0.17 1.29 × 10-2 2.42
    36 36 BLK3636‑3.6 37.4 31.7 2×1.8 22.4 70.5 370 66 106 77 17 50 85 11 76 8.5 M6×1 5 0.17 1.29 × 10-2 1.74
    36 36 BLK3636‑7.2 37.4 31.7 4×1.8 40.6 141.1 730 66 106 77 17 50 85 11 76 8.5 M6×1 5 0.17 1.29 × 10-2 1.74
    40 40 BLK4040‑3.6 41.75 35.2 2×1.8 28.1 89.8 420 73 114 85 17 56.5 93 11 84 8.5 M6×1 5.4 0.17 1.97 × 10-2 2.16
    40 40 BLK4040‑7.2 41.75 35.2 4×1.8 51.1 179.6 810 73 114 85 17 56.5 93 11 84 8.5 M6×1 5.4 0.17 1.97 × 10-2 2.16
    50 50 BLK5050‑3.6 52.2 44.1 2×1.8 42.1 140.4 510 90 135 106 20 72 112 14 104 10 M6×1 5.4 0.2 4.82 × 10-2 3.89
    50 50 BLK5050‑7.2 52.2 44.1 4×1.8 76.3 280.7 1000 90 135 106 20 72 112 14 104 10 M6×1 5.4 0.2 4.82 × 10-2 3.86
    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
    BLK 15 10 - 5.6 ZZ NUT
    BLK 15~50 10~50 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