FSER

Single Nut with Flange, Long Lead
Match with Screw shaft: SR/SL.

Standard nuts are with oil-seals. Other types on request.

All other dimensions in mm
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Product Information

Ball_Screws_Technical_Information.pdf
Ball_Screws_Order_Codes.pdf
Support_units_and_recommended_screw-shaft_diameters.pdf
CAD-Drawing
Designation Select all Lead Time * Compatible with Dynamic Load Ratings Ca (N) Static Load Ratings C0a (N)
1 BKN12 / FKN12 / BFN12 / FFN12 14833 19571
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1 BKN15 / FKN15 / BFN15 / FFN15 16275 24172
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1 BKN20 / FKN20 / BFN20 / FFN20 24339 37778
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1 BKN25 / FKN25 / WBK25DF / BFN25 / FFN25 35169 59557
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1 BKN30 / FKN30 / WBK30DF / WBK30DFF / BFN30 / FFN30 56682 115297
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1 BKN40 / WBK40DF / WBK40DFF / BFN40 86514 188754
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*Green: Normally in stock, contact us for current status. Blue: Contact us for delivery time.

Designation Select all d0 x Lead A B L D H E Q
16 x 16 53 10 48 32 38 10.5 M6
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20 x 20 62 10 55 39 46 10.8 M6
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25 x 25 74 12 67 47 56 11.2 M6
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32 x 32 92 15 82 58 68 14 M6
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40 x 40 114 17 100 73 84 17 M6
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50 x 50 135 20 125 90 92 21.5 M6
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Designation Select all X W
4.5 42
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5.5 50
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6.6 60
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9 74
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11 93
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14 112
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Designation Select all Ball diameter Turns x circuits
3.175 1.8 x 2
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3.175 1.8 x 2
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3.969 1.8 x 2
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4.762 1.8 x 2
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6.35 1.8 x 2
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7.938 1.8 x 2
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  • RNB
    Housing for ball nut FSCR/FSCL

  • BKN
    Support unit for end of ball screw machined accordingly

  • BFN
    Support unit for end of ball screw machined accordingly

  • FKN
    Support unit for end of ball screw machined accordingly

  • FFN
    Support unit for end of ball screw machined accordingly

  • RNB
    Housing for ball nut FSCR/FSCL

  • BKN
    Support unit for end of ball screw machined accordingly

  • BFN
    Support unit for end of ball screw machined accordingly

  • FKN
    Support unit for end of ball screw machined accordingly

  • FFN
    Support unit for end of ball screw machined accordingly

  • RSCR
    Ball nut cylindrical with thread, internal recirculation, for right lead (SR) screw

  • FSCR/FSCL
    Ball nut with flange, for right & left lead screw (SR/SL), most common type

  • SFYR
    Ball nut with flange, overlead, for right lead (SCR) screw

  • FDCR
    Ball nut, double, with flange, for right lead screw (SR)