333 2 Combination of Ball Screws and Support Units When selecting Support Units for Ball Screws, note that it can be combined if dimensions of bearing installation part on Fixed Side of the Ball Screw [Fig. 1] and bearing I.D. of the Support Unit [Fig. 2] are the same. [Fig. 1] <Example of Ball Screw BSS1505> [Fig. 2] <Example of Support Unit BSW12> Support Units Bearing I.D. Bearing Installation Part on Ball Screw Fixed Side [Example] Step Confirm that shaft diameter of the Ball Screw is 15. Step Confirm that dimension of the bearing installation part on fixed side of the Ball Screw is Ø12. Step Determine that corresponding bearing I.D. of the Support Unit is No.12. Accuracy Grade C3 BSX0601 - BSX0801 BSX0802 BSX1002 - BSX1202 BSX1205 BSX1505 - - - Accuracy Grade C5 - BSS1002 C-BSS1002 BSS0802 BSS1202 BSS1004 BSS1205 BSS1204 BSS1210 BSS1010 Step BSS15 C-BSS15 BSS20 C-BSS20 BSS25 C-BSS25 - Accuracy Grade C7 BSST0802 BSSE1002 BSST1004 BSSE0802 BSSE1202 BSSE1004 BSSE1205 BSSE1210 BSST1204 - BSSE15 BSST15 BSSE20 BSST20 BSSE25 BSST25 Accuracy Grade C10 BSSR08 BSSZ08 BSSC08 C-BSSC08 BSSR10 BSSZ10 BSSC10 C-BSSC10 - BSSR12 BSSZ12 BSSC12 C-BSSC12 BSSR14 BSSZ14 BSSR15 BSSZ15 BSSC15 BSBR15 C-BSSC15 BSSR20 BSSZ20 BSSC20 BSBR20 C-BSSC20 BSSR25 BSSZ25 BSSC25 BSBR25 BSSR28 BSSZ28 C-BSSC25 BSSR32 BSSZ32 Fixed Side Shaft Dia. of Ball Screws (Bearing Installation Part) Ø6 Ø8 Ø10 Step Ø12 Ø15 Ø20 Ø25 Support Units (Bearing I.D.) No.6 No.8S No.8 No.10S No.1022 Step No.12 No.152 No.20* No.25 No.6L No.10 No.15* 2 Support Units - Square (Fixed Side) Mounting Interface Accuracies 2 Support Units - Round (Fixed Side) Mounting Interface Accuracies * Except C-BSFW15,20, C-BUFN15,20 Ball Screw Part Number E A ±0.02 0 –0.03 0.01 A ±0.02 E A 0.02 A 0 –0.05 2 Combination of Fixed Side and Support Side Support Units Type Type Fixed Side Support Side Square Standard BSW BUN BSWN BUNM BSWR BUNR Cost Efficiency C-BSW C-BUN C-BSFW* C-BUFN* Economy BSWE BUN BSWEM BUNM BSWER BUNR Radial Bearing Type BSWZ BUN BSWZM BUNM Compact BSQ BUQ BSQM BUQM Low Profile Type BSV BUV BSVM BUVM Narrow Mounting )PMF 1JUDI 5ZQF BSA BUA BSAM BUAM XJUI %PXFM )PMFT BSWG BUN BSWGN BUNM with Damper BSWD BUND Round Standard BRW BUR BRWN BURM BRWR BURR Cost Efficiency C-BRW C-BUR Economy BRWE BUR BRWEM BURM BRWER BURR Radial Bearing Type BRWZ BUR BRWZM BURM A Ø0.01 1 0.01 A A Dg6 Standard Standard Dh7 A Ø0.02 1 0.03 A A Economy Radial Bearing Type Economy Radial Bearing Type * Excludes C-BSFW15,20, C-BUFN15,20. Support Units Combination with MISUMI Ball Screws
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