3 Ball & roller screws Precision rolled ball screws SD/BD/SH - Miniature ball screws Ball recirculation with composite inserts for SD, BD types. Threaded nose for easy mounting SD: axial play BD: backlash elimination by oversized balls SH: ball recirculation through tube integrated in the nut. Lead precision G5, G7 or G9 SX/BX - Universal ball screws Ball recirculation with composite inserts, threaded nose for easy mounting Accessories: see pages 129 and 142–143. Steel inserts are optional SX: axial play BX: backlash elimination by oversized balls Lead precision G5, G7 or G9 Designations Nominal Lead Dimensions diameter Shaft Nut d 0 P h d 1 d 2 L mm Max L L 1 D 1 h10 M 1 6g SH 6 ¥ 2 R 6 2 6 4,7 1 000 20 7,5 16,5 M14¥1 SD/BD 8 ¥ 2,5 R 8 2,5 7,6 6,3 1 000 23,5 7,5 17,5 M15¥1 SD/BD 10 ¥ 2 R 10 2 9,5 8,3 1 000 22 7,5 19,5 M17¥1 SH 10 ¥ 3 R 10 3 9,93 7,8 1 000 29 9 21 M18¥1 SD/BD 10 ¥ 4 R 10 4 8,9 7,4 1 000 28 8 21 M18¥1 SD/BD 12 ¥ 2 R 12 2 11,15 9,9 2 000 20 8 20 M18¥1 SD/BD 12 ¥ 4 R 12 4 11,3 9,4 2 000 34 10 25,5 M20¥1 SD/BD 12 ¥ 5 R 12 5 11,81 9,3 2 000 36 10 23 M20¥1 SH 12,7 ¥ 12,7 R 12,7 12,7 13,04 10,2 2 000 50 12 29,5 M25¥1,5 SD/BD 14 ¥ 4 R 14 4 13,7 11,9 2 000 30 8 27 M22¥1,5 SD/BD 16 ¥ 2 R 16 2 15,5 14,3 2 000 27 12 29,5 M25¥1,5 SD/BD 16 ¥ 5 R 16 5 15,2 12,7 2 000 42 12 32,5 M26¥1,5 SD/BD 16 ¥ 10 R 16 10 15,23 12,6 2 000 46 12 32,5 M26¥1,5 SX/BX 20 ¥ 5 R 20 5 19,4 16,7 4 700 54 14 38 M35¥1,5 SX/BX 25 ¥ 5 R 25 5 24,65 21,7 4 700 69 19 43 M40¥1,5 SX/BX 25 ¥ 10 R 25 10 24,64 20,5 4 700 84 19 43 M40¥1,5 SX/BX 32 ¥ 5 R 32 5 31,58 28,7 5 700 64 19 52 M48¥1,5 SX/BX 32 ¥ 10 R 32 10 31,95 27,8 5 700 95 19 54 M48¥1,5 SX/BX 40 ¥ 5 R 40 5 39,56 36,7 5 700 65 19 60 M56¥1,5 SX/BX 40 ¥ 10 R 40 10 39,36 34 5 700 105 24 65 M60¥2 SX/BX 40 ¥ 40 R 40 40 38,34 34,2 5 700 121 24 65 M60¥2 SX/BX 50 ¥ 10 R 50 10 49,65 44 5 700 135 29 78 M72¥2 SX/BX 63 ¥ 10 R 63 10 62,78 57 5 700 135 29 93 M85¥2 Symbols, see page 191 126
L L 1 D 1 d 0 d 1 d 2 M 1 3 Designations Basic load ratings Support bearing dynamic Ca static C 0a Recommended thrust support bearings Recommended support pillow block kN SH 6 ¥ 2 R 1,9 2,2 - - SD/BD 8 ¥ 2,5 R 2,2 2,7 - - SD/BD 10 ¥ 2 R 2,5 3,6 - - SH 10 ¥ 3 R 2,6 3,3 - - SD/BD 10 ¥ 4 R 4,5 5,5 - - SD/BD 12 ¥ 2 R 2,9 4,7 - - SD/BD 12 ¥ 4 R 4,9 6,6 - - SD/BD 12 ¥ 5 R 4,2 5,4 - - SH 12,7 ¥ 12,7 R 6,6 8,9 - - SD/BD 14 ¥ 4 R 6,0 9,1 - - SD/BD 16 ¥ 2 R 3,3 6,2 FLBU 16 / PLBU 16 BUF 16 SD/BD 16 ¥ 5 R 7,6 10,7 FLBU 16 / PLBU 16 BUF 16 SD/BD 16 ¥ 10 R 10,7 17,2 FLBU 16 / PLBU 16 BUF 16 SX/BX 20 ¥ 5 R 14,0 23,8 PLBU 20 / FLBU 20 (**) BUF 20 SX/BX 25 ¥ 5 R 19,0 37,8 PLBU 25 / FLBU 25 BUF 25 SX/BX 25 ¥ 10 R 23,5 39,0 PLBU 25 / FLBU 25 BUF 25 SX/BX 32 ¥ 5 R 22,0 51,6 PLBU 32 / FLBU 32 BUF 32 SX/BX 32 ¥ 10 R 27,1 52,0 PLBU 32 / FLBU 32 / FLRBU 3 (*) BUF 32 SX/BX 40 ¥ 5 R 24,3 65,6 PLBU 40 / FLBU 40 BUF 40 SX/BX 40 ¥ 10 R 61,5 124,1 PLBU 40 / FLBU 40 / FLRBU 4 (*) BUF 40 SX/BX 40 ¥ 40 R 31,3 72,9 PLBU 40 / FLBU 40 BUF 40 SX/BX 50 ¥ 10 R 80,4 188,8 PLBU 50 / FLBU 50 / FLRBU 5 (*) BUF 50 SX/BX 63 ¥ 10 R 91,2 248,3 PLBU 63 / FLBU 63 BUF 63 * For high load applications, use FLRBU type. Please refer to end shaft and support bearing definitions, pages 188-190. ** For high load application, please contact <strong>SKF</strong>. Symbols, see page 191 127
- Page 1 and 2:
Linear motion standard range
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58 Applications 59 LLT Profile rail
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Contents (by alphabetical order) A
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LWRE 3 ............................
- Page 9 and 10:
General 1 About SKF The SKF Group i
- Page 11 and 12:
About this publication The encyclop
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Linear guides 2 Fig. 1 Fig. 2 Fig.
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Compact series 2 LBBR Compact linea
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2 LQCD / LQCF Open or closed self-a
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Ordering key L B B R 4 -2LS/HV6 Typ
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LPBR .. Linear plain bearings Desig
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LTBR .. Tandem linear ball bearing
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LEBS .. Tandem shaft blocks suitabl
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Ordering key (Continued) L Type Bea
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LPAR .. Linear plain bearings witho
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LUCR .. PA Single plain bearing uni
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LVCD .. Flanged self-aligning units
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LTCD .. Tandem units, self-aligning
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LEAS .. Tandem shaft blocks, closed
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LBHT .. Standard series 3 Heavy-loa
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LUCT .. BH Single heavy load units,
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LTCT .. Tandem units, open type, re
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Precision shafts Fig. 8 SKF precisi
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Ordering key LJ / Type Designation
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ESSC 5 As ESSC 4 with two front sid
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Standard designs for fixed length w
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Linear ball bearing table without d
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LZBU .. A-2LS Quadro linear tables,
- Page 57 and 58:
LZAU ..-2LS Quadro linear tables, L
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LLT Profile rail guides The product
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Ordering key Type code: Carriage (c
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Carriage LLTHC ,, A D 2 H 1 H6 D 1
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W 1 S 2 Carriage LLTHC .. LA L 4 L
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Carriage LLTHC .. R W 1 S 2 H 4 L 4
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Carriage LLTHC .. LR L 4 L 1 W 1 S
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Carriage LLTHC .. U H 5 L 4 L 1 D 2
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Carriage LLTHC .. SU H 1 H6 D 2 L 1
- Page 75 and 76: LLTHR rails E F D 2 H 1 H6 2 W D 1
- Page 77 and 78: LLTHR .. D4 rails H 1 H7 E F 2 W S
- Page 79 and 80: Scraper plate Scraper plate • Mat
- Page 81 and 82: Seal kit Seal kit The seal kit cons
- Page 83 and 84: Mounting The bellows are partly pre
- Page 85 and 86: Miniature profile rail guides Fig.
- Page 87 and 88: The running parallelism accuracy in
- Page 89 and 90: LLMHR Standard rails Designations D
- Page 91 and 92: Applications In response to our cus
- Page 93 and 94: Precision rail guides Fig. 34 Modul
- Page 95 and 96: Ordering key LW Type Designation ty
- Page 97 and 98: LWR 3 / 6 .. KIT 4 rail guides LWR
- Page 99 and 100: LWR 3 Designations Dimensions Load
- Page 101 and 102: LWRE .. LWRE rail guides are a logi
- Page 103 and 104: LWRE 3 / 6 .. ACS KIT 4 rail guides
- Page 105 and 106: LWRE 6 Designations Dimensions Load
- Page 107 and 108: LWRE 3 .. ACSM KIT 4 rail guides LW
- Page 109 and 110: LWRE 6 ACS Designations Dimensions
- Page 111 and 112: LWRM 6 / LWRV 6 Designations Dimens
- Page 113 and 114: LWM 3015 / LWV 3015 Designations Di
- Page 115 and 116: LWM 7040 / LWV 7040 Designations Di
- Page 117 and 118: LWRPM 3 / 6 / 9 Designations Dimens
- Page 119 and 120: Notes 2 119
- Page 121 and 122: Ball & roller screws Ball screws an
- Page 123 and 124: Precision rolled ball screws Fig. 9
- Page 125: Notes 3 125
- Page 129 and 130: Accessories for SX/BX nuts FHRF Rou
- Page 131 and 132: L 8 M61 -6H long 8 22,5° †D 4 M
- Page 133 and 134: †D 4 30° 60° M 2 ,2 ,5 D 1 D 6
- Page 135 and 136: 60° 30° M 2 D 6 (6) †D 5 †IT1
- Page 137 and 138: Fig. 10 Fig. 11 3 Designations Dime
- Page 139 and 140: Standard end machining for nominal
- Page 141 and 142: Standard machining ends for nominal
- Page 143 and 144: BUF support bearing Accessories for
- Page 145 and 146: Ordering key / - WPR Nut type: Nut
- Page 147 and 148: L 8 M61 -6H long 8 22,5° †D 4 M
- Page 149 and 150: M61 -6H long 8 22,5° †D 4 L 8 D
- Page 151 and 152: A A5 A2 A3 (a) 30¡ (b) D1 d2 d0 3
- Page 153 and 154: Roller screws There are two non-com
- Page 155 and 156: Recirculating roller screws (fig. 2
- Page 157 and 158: Ordering key / Play or preload: Ax
- Page 159 and 160: SRC /BRC - Range (Continued) A 0,8
- Page 161 and 162: SRF/BRF - Range (Continued) A u (a)
- Page 163 and 164: PRU - Range (Continued) A 0,8 0,8 "
- Page 165 and 166: PRK - Range (Continued) (a) B r A 0
- Page 167 and 168: SVF/BVF - Range Flanged nuts with a
- Page 169 and 170: PVK - Range Flanged nut preloaded f
- Page 171 and 172: Fig. 27 3 Axial play The Ultra Powe
- Page 173 and 174: HRC - Range (Continued) A 0,8 " b "
- Page 175 and 176: HRF - Range (Continued) B A A 2 A 1
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HRP - Range (Continued) lubrication
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Inverted roller screws (figs. 23 an
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Roller screws service range General
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Service range option 1 Recirculatin
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Service range option 2 Recirculatin
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Service range option 3 Complete rec
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End machining for FLRBU 3 Designati
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Symbols C req N Required load ratin
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Notes 3 193
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Tables: driven and not driven Gener
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Fig. 6 Fig. 7 Fig. 8 LZBB and LZAB
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Notes 4 199
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LZM Main dimensions for miniature s
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Standard slides GCL, GCLA, RM Order
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4 Designations Dimensions Load-carr
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4 Designations Dimensions Load-carr
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Slides, tables and compact cross ta
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SSM / SSK (Continued) C2 C L1 J C1
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Compact cross tables TO / TS 4 Desi
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RSM / RSK (Continued) Designations
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LZBB (On request) Linear ball beari
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Profile rail guide slides LTB with
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LTB110.L1.SD/TN12xx-SC: Slides with
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LTB170.L1.SD/TN16xx-SC: Slides with
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LTB235.L1.SX/TN/TL25xx-BL (Continue
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LTB235.L1.SX/TN/TL25xx-SC (Continue
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LTB320.L1.SX/TN/TL32xx-SC: Slides w
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Notes 4 231
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Drive: Slides with linear motor dri
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LTS 182.L1.1FN3-100-xK: Slides with
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LTS 212.L1.1FN3-150-xK ca.14 L6 L2
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Applications In response to our cus
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Customized solutions Standard plug
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Notes 5 243
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Harnessing wind power The growing i
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Notes 247
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Notes 249
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® SKF is a registered trademark of