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    BNF Set

    Unfinished Shaft Ends
    (Shaft OD 16 ~ 50 mm)
    main product photo
    The simplest type with a single ball screw nut. It is designed to be mounted using the bolt holes drilled on the flange.

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    Shaft O.D. (mm) Clear
    10. show 4 more show less
    Lead (mm) Clear
    Shaft Length (mm) Clear
    29. show 23 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 Item Total
    Shaft O.D. (mm): 25
    Lead (mm): 5
    Shaft Length (mm): 720
    		BNF2505-5RRG1+720LC5B –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 5
    Shaft Length (mm): 820
    		BNF2505-5RRG1+820LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 5
    Shaft Length (mm): 820
    		BNF2505-5RRG1+820LC5B –
    		Back Order ?
    Contact us to get an ETA on shipping
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    Shaft O.D. (mm): 25
    Lead (mm): 5
    Shaft Length (mm): 1020
    		BNF2505-5RRG1+1020LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 5
    Shaft Length (mm): 1220
    		BNF2505-5RRG1+1220LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 5
    Shaft Length (mm): 1420
    		BNF2505-5RRG1+1420LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 10
    Shaft Length (mm): 620
    		BNF2510A-2.5RRG1+620LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 10
    Shaft Length (mm): 820
    		BNF2510A-2.5RRG1+820LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 10
    Shaft Length (mm): 1020
    		BNF2510A-2.5RRG1+1020LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 10
    Shaft Length (mm): 1220
    		BNF2510A-2.5RRG1+1220LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 25
    Lead (mm): 10
    Shaft Length (mm): 1420
    		BNF2510A-2.5RRG1+1420LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 520
    		BNF2806-5RRG1+520LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 620
    		BNF2806-5RRG1+620LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 720
    		BNF2806-5RRG1+720LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 720
    		BNF2806-5RRG1+720LC5B –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 920
    		BNF2806-5RRG1+920LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 920
    		BNF2806-5RRG1+920LC5B –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 1020
    		BNF2806-5RRG1+1020LC5A –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 1100
    		BNF2806-5RRG1+1100LC5B –
    		Days to Ship: 3 - 4 weeks
    Shaft O.D. (mm): 28
    Lead (mm): 6
    Shaft Length (mm): 1220
    		BNF2806-5RRG1+1220LC5A –
    		Days to Ship: 3 - 4 weeks
    Page
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    Screw shaft outer diameterd LeadPh Model No. Ball center-to-center diameterdp Thread minor diameterdc No. of loaded circuitsRows × turns Basic load rating Nut dimensions Nut mass
    DynamicC StaticC0 Outer diameterD Flange diameterD1 Overall lengthL1 H B1 PCD d1 × d2 × h GreasingholeA
    mm mm mm mm kN kN mm mm mm mm mm mm mm kg
    16 5 BNF1605-2.5 16.75 13.2 1×2.5 7.4 13.9 40 60 41 10 31 50 4.5×8×4.5 M6 0.37
    18 10 BNF1810-2.5 18.8 15.5 1×2.5 7.8 15.9 42 65 69 12 57 53 5.5×9.5×5.5 M6 0.67
    20 5 BNF2005-5 20.75 17.2 2×2.5 15.1 35 44 67 56 11 45 55 5.5×9.5×5.5 M6 0.57
    25 5 BNF2505-5 25.75 22.2 2×2.5 16.7 44 50 73 55 11 44 61 5.5×9.5×5.5 M6 0.75
    10 BNF2510A-2.5 26.3 21.4 1×2.5 15.8 33 58 85 70 18 52 71 6.6×11×6.5 M6 1.43
    28 6 BNF2806-5 28.75 25.2 2×2.5 17.5 49.4 55 85 68 12 56 69 6.6×11×6.5 M6 1.13
    32 5 BNF3205-5 32.75 29.2 2×2.5 18.5 56.4 58 85 56 12 44 71 6.6×11×6.5 M6 0.93
    10 BNF3210A-5 33.75 26.4 2×2.5 47.2 112.7 74 108 100 15 85 90 9×14×8.5 M6 2.8
    36 10 BNF3610-5 37.75 30.5 2×2.5 50.1 126.4 75 120 111 18 93 98 11×17.5×11 M6 3.4
    40 10 BNF4010-5 41.75 34.4 2×2.5 52.7 141.1 82 124 103 18 85 102 11×17.5×11 M6 3.58
    12 BNF4012-5 42 34.1 2×2.5 61.6 158.3 84 126 119 18 101 104 11×17.5×11 M6 4.2
    50 10 BNF5010-5 51.75 44.4 2×2.5 58.2 176.4 93 135 103 18 85 113 11×17.5×11 PT 1/8 4.4
    Model No. Standardstocksymbol Screw shaft dimensions
    Overall lengthL l0 l1 l2 d3 d4 Shaft mass
    mm mm mm mm mm mm kg/m
    BNF1605-2.5A410200501601612.80.92
    510300501601612.80.92
    610400501601612.80.92
    710500501601612.81.25
    BNF1810-2.5A410200501601815.31.62
    510300501601815.31.62
    610400501601815.31.62
    710500501601815.31.62
    810600501601815.31.62
    BNF2005-5A410200501602015.31.65
    510300501602015.31.65
    610400501602015.31.65
    710500501602015.31.65
    810600501602016.81.65
    1010800501602016.81.65
    B610300502602016.81.65
    710400502602016.81.65
    BNF2505-5A520300601602520.32.84
    620400601602520.32.84
    720500601602520.32.84
    820600601602520.32.84
    1020800601602521.82.84
    12201000601602521.82.84
    14201200601602521.82.84
    B720400602602521.82.84
    820500602602521.82.84
    BNF2510A-2.5A620400601602520.32.68
    820600601602520.32.68
    1020800601602520.32.68
    12201000601602520.32.68
    14201200601602520.32.68
    BNF2806-5A520300601602820.33.89
    620400601602820.33.89
    720500601602820.33.89
    920700601602820.33.89
    1020800601602824.83.89
    12201000601602824.83.89
    14201200601602824.83.89
    B720400702502824.83.89
    920500703502824.83.89
    1100700703302824.83.89
    BNF3205-5A730500701603225.35.03
    930700701603225.35.03
    12301000701603225.35.03
    14301200701603225.35.03
    16301400701603227.85.03
    18301600701603227.85.03
    BNF3210A-5A730500701603225.33.66
    930700701603225.33.66
    14301200701603225.33.66
    18301600701603225.33.66
    BNF3610-5A730500701603630.35.03
    930700701603630.35.03
    14301200701603630.35.03
    18301600701603630.35.03
    B9305001003303630.35.03
    11007001003003630.35.03
    183012001005303630.35.03
    BNF4010-5A12301000701604030.36.59
    17301500701604030.36.59
    20301800701604030.36.59
    22302000701604030.36.59
    BNF4012-5A12301000701604030.36.39
    17301500701604030.36.39
    20301800701604030.36.39
    22302000701604030.36.39
    B173012001004304033.86.39
    203012001007304033.86.39
    BNF5010-5A130010001002005040.311.36
    180015001002005040.311.36
    230020001002005040.311.36
    280025001002005040.311.36
     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 Lead(in mm) No. of circuits Seals Clearance Shaft length(in mm)*1 Accuracy Standard stock symbol
    BNF 16 05 - 2.5 RR G1 + 410L C5 A
    BNF 16~50 04~12 Various RR : Labyrinth seal G1 : 0 to 0.01 mm Length in millimeters then "L" C5 A
      B
    Note 1: See the Specifications tab to see standard sizes available.