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    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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    For Shaft O.D. (mm) Clear
    8. show 2 more show less
    Lead (mm) Clear
    8. show 2 more show less
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    *Please contact THK if you need more than available quantity or out of stock items
    Attributes Part Number CAD Online Store
    Unit Price (USD)    		 Quantity Days to Ship Include Shaft Item Total
    For Shaft O.D. (mm): 16
    Lead (mm): 16
    		BLR1616-3.6UU NUT –
    		Days to Ship: 1 - 3 days
    For Shaft O.D. (mm): 20
    Lead (mm): 20
    		BLR2020-3.6UU NUT –
    		Days to Ship: 1 - 3 days
    For Shaft O.D. (mm): 25
    Lead (mm): 25
    		BLR2525-3.6UU NUT –
    		Days to Ship: 1 - 3 days
    For Shaft O.D. (mm): 32
    Lead (mm): 32
    		BLR3232-3.6UU NUT –
    		Days to Ship: 1 - 3 days
    For Shaft O.D. (mm): 36
    Lead (mm): 36
    		BLR3636-3.6UU NUT –
    		Days to Ship: 1 - 3 days
    For Shaft O.D. (mm): 40
    Lead (mm): 40
    		BLR4040-3.6UU NUT –
    		Days to Ship: 1 - 3 days
    For Shaft O.D. (mm): 50
    Lead (mm): 50
    		BLR5050-3.6UU NUT –
    		Days to Ship: 1 - 3 days
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    Model No. Screw shaft outer diameterd Thread minor diameterdc LeadPh Ball center-to-center diameterdp Basic load rating Ball screw dimensions Support bearing basic load rating Nut inertial moment Nut mass
    DynamicCa StaticC0a Outer diameterD Flange diameterD1 Overall lengthL1 D3 D4 H B4 B5 Te P1 P2 S t d1 θ° DynamicCa StaticC0a
    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 [email protected]