SFKR

SFKR are miniature ball screws, best suitable for small manipulators, instruments etc. They enable very high positioning precision and stiffness because of the small lead. For optimal operation they do, however, require very high cleanliness and accuracy when built into an application.

A limited service- and prototyping-stock of basic grade with rolled spindles (C7) and axial play in the nut (P0) is kept available. For more demanding applications or larger quantities, contact us.”

Match with screw shaft: SCR.
Standard nuts are with scrapers. Other types on request.

All dimensions in mm.
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Product Information

Designation Select all Lead Time * Compatible with Dynamic Load Ratings Ca (N) Static Load Ratings C0a (N)
/storage/8A27351A6F203F1470C21756C717181713B7E02CCB23A99DFFD00A821AD93E8F/d8e03551147744b8953b3f588c82ce6b/STEP/media/e9fd68e68d6a4c9cb810d433a59fb1c0/SFK00601.STEP 1 1110 2240
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/storage/488D538BC8348E81E5214D7625CBC196848BFCDBDE35093FC87C8C94A12FE43C/90d64dc53bd44bedb8d9b20f7c595871/STEP/media/981f850bd9f74c43b4836e88f0751a39/SFK0801.STEP 1 FKN06 1610 4030
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/storage/21E2EC7E74A2279FD58D0BCEDF582D1AB5DBA378C76AB37457F2F1EC3E719AA3/6ca6f08539c94af38e7841f5592fb78a/STEP/media/0a77989a86b6486188823beb74f26aa7/SFK01002.STEP 1 FKN06 2430 5690
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/storage/C401B36BCB7D997D4875261FDDC9088FF87BE74D52397D1872BA9788C5AFA29B/727ad588957a442ba08c00e3b8ebdaaf/STEP/media/4402489e22df447d81ba3ac986cbb605/SFK01202.STEP 1 BKN08 / FKN08 / BFN08 3340 9060
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/storage/ADE7945D91418903596AEF4220C5EBC64D30617F7A6C751F4DCEE6AECB54CB43/a79398af32fb4be98ca03b8a1a96527f/STEP/media/a37a09cd03a44932b69ada44a0327023/SFK01402.STEP 1 BKN10 / FKN10 / BFN10 / FFN10 3540 10530
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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
/storage/8A27351A6F203F1470C21756C717181713B7E02CCB23A99DFFD00A821AD93E8F/d8e03551147744b8953b3f588c82ce6b/STEP/media/e9fd68e68d6a4c9cb810d433a59fb1c0/SFK00601.STEP 6 x 1 24 3.5 15 12 16
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/storage/488D538BC8348E81E5214D7625CBC196848BFCDBDE35093FC87C8C94A12FE43C/90d64dc53bd44bedb8d9b20f7c595871/STEP/media/981f850bd9f74c43b4836e88f0751a39/SFK0801.STEP 8 x 1 27 4 16 14 18
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/storage/21E2EC7E74A2279FD58D0BCEDF582D1AB5DBA378C76AB37457F2F1EC3E719AA3/6ca6f08539c94af38e7841f5592fb78a/STEP/media/0a77989a86b6486188823beb74f26aa7/SFK01002.STEP 10 x 2 35 5 28 18 22
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/storage/C401B36BCB7D997D4875261FDDC9088FF87BE74D52397D1872BA9788C5AFA29B/727ad588957a442ba08c00e3b8ebdaaf/STEP/media/4402489e22df447d81ba3ac986cbb605/SFK01202.STEP 12 x 2 37 5 28 20 24
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/storage/ADE7945D91418903596AEF4220C5EBC64D30617F7A6C751F4DCEE6AECB54CB43/a79398af32fb4be98ca03b8a1a96527f/STEP/media/a37a09cd03a44932b69ada44a0327023/SFK01402.STEP 14 x 2 40 6 23 21 26
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Designation Select all X W
/storage/8A27351A6F203F1470C21756C717181713B7E02CCB23A99DFFD00A821AD93E8F/d8e03551147744b8953b3f588c82ce6b/STEP/media/e9fd68e68d6a4c9cb810d433a59fb1c0/SFK00601.STEP 3.4 18
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/storage/488D538BC8348E81E5214D7625CBC196848BFCDBDE35093FC87C8C94A12FE43C/90d64dc53bd44bedb8d9b20f7c595871/STEP/media/981f850bd9f74c43b4836e88f0751a39/SFK0801.STEP 3.4 21
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/storage/21E2EC7E74A2279FD58D0BCEDF582D1AB5DBA378C76AB37457F2F1EC3E719AA3/6ca6f08539c94af38e7841f5592fb78a/STEP/media/0a77989a86b6486188823beb74f26aa7/SFK01002.STEP 4.5 27
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/storage/C401B36BCB7D997D4875261FDDC9088FF87BE74D52397D1872BA9788C5AFA29B/727ad588957a442ba08c00e3b8ebdaaf/STEP/media/4402489e22df447d81ba3ac986cbb605/SFK01202.STEP 4.5 29
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/storage/ADE7945D91418903596AEF4220C5EBC64D30617F7A6C751F4DCEE6AECB54CB43/a79398af32fb4be98ca03b8a1a96527f/STEP/media/a37a09cd03a44932b69ada44a0327023/SFK01402.STEP 5.5 31
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Designation Select all Ball diameter Turns x circuits
/storage/8A27351A6F203F1470C21756C717181713B7E02CCB23A99DFFD00A821AD93E8F/d8e03551147744b8953b3f588c82ce6b/STEP/media/e9fd68e68d6a4c9cb810d433a59fb1c0/SFK00601.STEP 0.8 1 x 3
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/storage/488D538BC8348E81E5214D7625CBC196848BFCDBDE35093FC87C8C94A12FE43C/90d64dc53bd44bedb8d9b20f7c595871/STEP/media/981f850bd9f74c43b4836e88f0751a39/SFK0801.STEP 0.8 1 x 4
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/storage/21E2EC7E74A2279FD58D0BCEDF582D1AB5DBA378C76AB37457F2F1EC3E719AA3/6ca6f08539c94af38e7841f5592fb78a/STEP/media/0a77989a86b6486188823beb74f26aa7/SFK01002.STEP 1.2 1 x 3
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/storage/C401B36BCB7D997D4875261FDDC9088FF87BE74D52397D1872BA9788C5AFA29B/727ad588957a442ba08c00e3b8ebdaaf/STEP/media/4402489e22df447d81ba3ac986cbb605/SFK01202.STEP 1.2 1 x 4
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/storage/ADE7945D91418903596AEF4220C5EBC64D30617F7A6C751F4DCEE6AECB54CB43/a79398af32fb4be98ca03b8a1a96527f/STEP/media/a37a09cd03a44932b69ada44a0327023/SFK01402.STEP 1.2 1 x 4
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  • 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
  • RSKR

    Ball nut, miniature, cylindrical with thread for right lead (SR) screw