BLR Nut

Rotary Nut Type
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The Rotary Ball Screw is a rotary-nut ball screw unit that has an integrated structure consisting of a ball screw nut and a support bearing. The support bearing is an angular bearing that has a contact angle of 60 degree, contains an increased number of balls and achieves a large axial rigidity.
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Attributes Part Number Unit Price Quantity Days to Ship Include Shaft Item Total
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  • Model No. Screw shaft outer diameter
    d
    Thread minor diameter
    dc
    Lead
    Ph
    Ball center-to-center diameter
    dp
    Basic load rating Ball screw dimensions Support bearing basic load rating Nut inertial moment Nut mass
    Dynamic
    Ca
    Static
    C0a
    Outer diameter
    D
    Flange diameter
    D1
    Overall length
    L1
    D3 D4 H B4 B5 Te P1 P2 S t d1 θ° Dynamic
    Ca
    Static
    C0a
    mm mm mm mm kN kN mm mm mm mm mm mm mm mm mm mm mm mm mm mm ° kN kN kg•cm2 kg
    BLR1616‑3.6 16 13.7 16 16.65 5.8 12.9 520-0.007 68 43.5 400-0.025 320+0.025 5 27.5 9 2 60 25 M4 12 4.5 40 19.4 19.2 0.48 0.38
    BLR2020‑3.6 20 17.5 20 20.75 7.7 22.3 620-0.007 78 54 500-0.025 390+0.025 6 34 11 2 70 31 M5 16 4.5 40 26.8 29.3 1.44 0.68
    BLR2525‑3.6 25 21.9 25 26 12.1 35 720-0.007 92 65 580-0.03 470+0.025 8 43 12.5 3 81 38 M6 19 5.5 40 28.2 33.3 3.23 1.1
    BLR3232‑3.6 32 28.3 32 33.25 17.3 53.9 800-0.007 105 80 660-0.03 580+0.03 9 55 14 3 91 48 M6 19 6.6 40 30 39 6.74 1.74
    BLR3636‑3.6 36 31.7 36 37.4 22.4 70.5 1000-0.008 130 93 800-0.03 660+0.03 11 62 17 3 113 54 M8 22 9 40 56.4 65.2 16.8 3.2
    BLR4040‑3.6 40 35.2 40 41.75 28.1 89.8 1100-0.008 140 98 900-0.035 730+0.03 11 68 16.5 3 123 61 M8 22 9 50 59.3 74.1 27.9 3.95
    BLR5050‑3.6 50 44.1 50 52.2 42.1 140.4 1200-0.008 156 126 1000-0.035 900+0.035 12 80 25 4 136 75 M10 28 11 50 62.2 83 58.2 6.22
    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
    BLR 16 16 - 3.6 UU NUT
    BLR 16~50 16~50 3.6 UU : Support bearing 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