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New Site Coming Soon Please Note:THK Online Store products are sold to U.S. customers only until further notice. The THK Rolled Ball Screw is an economical choice for a variety of uses and is available in many standardized sizes. >>BTK       This compact design features a flange circumference that is cut flat at the top and bottom for a lower axis height.     SIZE BTK1404 / BTK1405 / BTK1605 / BTK1808 / BTK2005 / BTK2010 / BTK2505 / BTK2510 / BTK2806 / BTK3210 / BTK3610 / BTK4010 / BTK4512 / BTK5016             >>BNT       With mounting holes provided in the rectangular nut, Type BNT can be attached directly a machine.     SIZE BNT1404 / BNT1405 / BNT1808 / BNT2005 / BNT2505 / BNT2510 / BNT2806 / BNT3610 / BNT4512             >>BLK       Large-Lead Rolled Ball Screw Type BLK features increased strength allowing for stable high-speed operation.     SIZE BLK1510 / BLK1616 / BLK2525 / BLK3624 / BLK3636 / BLK4040 / BLK5050             >>WTF       Super-Lead Rolled Ball Screw Type WTF has an innovative end-cap design that strengthens the ball-return mechanism for faster, more stable operation.     SIZE WTF1530 / WTF2040 / WTF2550 / WTF3060       >>BLR       Rotating-nut Ball Screw unit consists of a ball-screw nut support bearing in a single unit.     SIZE BLR1616 / BLR2020 / BLR2525 / BLR3232 / BLR3636 / BLR4040 / BLR5050             >>Support Unit       The Support Unit on the shaft fixed side has a built-in preloaded angular bearing of JIS Class 5.The Support Unit on the supported side is a deep-groove ball bearing.     SIZE BK / BF

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