3 Ball & roller screws Ground ball screws Precision ground screw (fig. 15) Fig. 15 Screw diameter from 0,5 to 6 inches. Lead from 0,1 to 1 inch. Any lead metric or inch possible on request. Flange position and holes pattern can be adjusted upon request. Screw bearing support units FLRBU, FLBU, PLBU or BUF are compatible. PGFM: double nut preloaded end flange PGF: single nut preloaded end flange Designations Screw diameter Lead Locating diameter Flange diameter Bolt circle Double nut length Flange thickness Single nut length Basic load ratings dynamic static d 0 P h D D 1 J A A 2 A 5 C a C oa in lbf PGFM 0,5 ¥ 0,1 0,5 0,1 1 1,875 1,437 2,25 0,437 1,35 1 204 2 270 PGFM 0,5 ¥ 0,2 0,5 0,2 1,25 2,1255 1,687 3,625 0,437 2,225 137 3 302 PGFM 0,625 ¥ 0,1 0,625 0,1 1,125 2 1,562 2,25 0,437 1,35 1 327 2 867 PGFM 0,625 ¥ 0,2 0,625 0,2 1,375 2,25 1,812 3,5 0,437 1,9 1 213 5 205 PGFM 0,625 ¥ 0,25 0,625 0,25 1,625 2,5 2,062 3,937 0,437 2,187 1 124 6 220 PGFM 0,75 ¥ 0,1 0,75 0,1 1,25 2,25 1,75 2,25 0,437 1,35 1 457 3 559 PGFM 0,75 ¥ 0,2 0,75 0,2 1,562 2,562 2,062 3,5 0,437 1,9 1 573 6 416 PGFM 0,75 ¥ 0,25 0,75 0,25 1,625 2,625 2,125 3,937 0,437 2,187 1 804 876 PGFM 0,875 ¥ 0,2 0,875 0,2 1,687 2,687 2,187 3,5 0,437 1,9 16 89 PGFM 0,875 ¥ 0,25 0,875 0,25 1,75 2,75 2,25 3,937 0,437 2,187 1 163 9 357 PGFM 1,0 ¥ 0,1 1 0,1 1,625 2,625 2,125 2,312 0,5 1,412 1 626 4 752 PGFM 1,0 ¥ 0,2 1 0,2 1,812 2,812 2,312 3,562 0,5 1,962 1 262 9 223 PGFM 1,0 ¥ 0,25 1 0,25 2,125 3,125 2,625 4,312 0,5 2,312 1 908 12 572 PGFM 1,25 ¥ 0,2 1,25 0,2 2,062 3,062 2,562 3,562 0,5 1,962 1 698 11 648 PGFM 1,25 ¥ 0,25 1,25 0,25 2,125 3,125 2,625 4 0,5 2,25 1 848 14 366 PGFM 1,25 ¥ 0,5 1,25 0,5 2,5 3,5 3 7,125 0,5 3,812 1 147 20 759 PGFM 1,5 ¥ 0,2 1,5 0,2 2,312 3,312 2,812 3,687 0,625 2,087 166 1 472 PGFM 1,5 ¥ 0,25 1,5 0,25 3,562 3,562 3,062 4,437 0,625 2,437 1 802 20 656 PGFM 1,5 ¥ 0,5 1,5 0,5 3,25 4,5 3,875 7,375 0,625 3,875 163 3 624 PGFM 1,75 ¥ 0,2 1,75 0,2 2,625 3,875 3,25 3,812 0,75 2,212 1 474 16 887 PGFM 1,75 ¥ 0,25 1,75 0,25 2,875 4,125 3,5 4,562 0,75 2,5 1 418 24 274 PGFM 1,75 ¥ 0,5 1,75 0,5 3,5 4,75 4,125 7,5 0,75 4 1 276 43 286 PGFM 1,75 ¥ 0,75 1,75 0,75 3,5 4,75 4,125 10,125 0,875 4,875 1 129 4 365 PGFM 2,0 ¥ 0,2 2 0,2 2,937 4,187 3,562 3,182 0,75 2,212 1 757 19 310 PGFM 2,0 ¥ 0,25 2 0,25 3,125 4,375 3,75 4,562 0,75 2,562 1 964 27 890 PGFM 2,0 ¥ 0,5 2 0,5 3,75 5,5 4,625 7,5 0,75 3,812 1 180 50 548 PGFM 2,0 ¥ 0,75 2 0,75 3,75 5,5 4,625 10,125 0,875 4,875 24 057 50 350 PGFM 2,0 ¥ 1,0 2 1,75 3,75 5,5 4,625 11 1,25 6 18 375 36 723 PGFM 2,0 ¥ 0,25 2,25 0,25 3,312 5 4,187 4,562 0,75 2,562 10 456 31 504 Symbols, see page 191 150
A A5 A2 A3 (a) 30¡ (b) D1 d2 d0 3 (c) D +.000 -.001 (D-.01) ±.005 J (d) Legend: (a) = 1/8-27 NPT (lube access) (b) = wipers (c) = optional (d) = (Nh) D5 Dia. Thru Designations Screw diameter Lead Locating diameter Flange diameter Bolt circle Double nut length Flange thickness Single nut length Basic load ratings dynamic static d 0 P h D D 1 J A A 2 A 5 C a C oa in lbf PGFM 2,25 ¥ 0,5 2,25 0,5 4,125 5,875 5 7,5 0,75 4 25 853 57 810 PGFM 2,25 ¥ 0,75 2,25 0,75 4,125 5,875 5 10,125 0,875 4,875 25 749 57 631 PGFM 2,25 ¥ 1,0 2,25 1 4,125 5,875 5 13 1,25 7 26 599 60 759 PGFM 2,5 ¥ 0,25 2,5 0,25 3,625 5,375 4,5 4,562 0,75 2,562 11 089 35 996 PGFM 2,5 ¥ 0,5 2,5 0,5 4,375 6,375 5,375 7,5 0,75 4 27 349 65 072 PGFM 2,5 ¥ 0,75 2,5 0,75 4,375 6,375 5,375 10,125 0,875 4,875 28 208 68 325 PGFM 2,5 ¥ 1,0 2,5 1 5,25 7,25 6,25 14,5 1,25 7 38 815 83 037 PGFM 3,0 ¥ 0,25 3 0,25 4,125 6,15 5,125 4,687 0,875 2,687 11 880 43 226 PGFM 3,0 ¥ 0,5 3 0,5 4,812 6,812 5,812 7,625 0,875 4,125 30 815 83 057 PGFM 3,0 ¥ 0,75 3 0,75 5,75 7,75 6,75 11,375 0,875 6,125 43 353 102 706 PGFM 3,0 ¥ 1,0 3 1 5,75 7,75 6,75 14,5 1,25 7,5 43 216 102 455 PGFM 3,5 ¥ 0,5 3,5 0,5 5,375 7,375 6,375 7,75 1 4,25 32 975 97 605 PGFM 3,5 ¥ 0,75 3,5 0,75 5,875 7,875 6,875 11,5 1 6,25 48 593 128 184 PGFM 3,5 ¥ 1,0 3,5 1 6,5 8,5 7,5 14,75 1,25 7,75 62 805 150 171 PGFM 4,0 ¥ 0,5 4 0,5 5,875 7,875 6,875 8 1,25 4,5 34 886 112 145 PGFM 4,0 ¥ 0,75 4 0,75 6,75 8,75 7,75 11,75 1,25 6,5 51 693 147 601 PGFM 4,0 ¥ 1,0 4 1 7 9 8 14,75 1,25 7,75 69 004 180 105 PGFM 5,0 ¥ 0,5 5 0,5 6,75 8,75 7,75 8 1,25 4,5 38 194 141 214 PGFM 5,0 ¥ 0,75 5 0,75 7,75 9,75 8,75 11,75 1,25 6,875 56 974 186 401 PGFM 5,0 ¥ 1,0 5 1 8 10 9 14,75 1,25 7,75 77 221 230 571 PGFM 6,0 ¥ 0,5 6 0,5 7,75 9,75 8,75 8 1,25 4,5 41 600 173 819 PGFM 6,0 ¥ 0,75 6 0,75 8,75 10,75 9,75 11,75 1,25 6,5 61 435 225 174 PGFM 6,0 ¥ 1,0 6 1 9 11 10 14,75 1,25 7,75 84 043 281 022 Symbols, see page 191 151
- 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,
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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
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LLTHR rails E F D 2 H 1 H6 2 W D 1
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LLTHR .. D4 rails H 1 H7 E F 2 W S
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Scraper plate Scraper plate • Mat
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Seal kit Seal kit The seal kit cons
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Mounting The bellows are partly pre
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Miniature profile rail guides Fig.
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The running parallelism accuracy in
- Page 89 and 90:
LLMHR Standard rails Designations D
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Applications In response to our cus
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Precision rail guides Fig. 34 Modul
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Ordering key LW Type Designation ty
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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 and 126: Notes 3 125
- Page 127 and 128: L L 1 D 1 d 0 d 1 d 2 M 1 3 Designa
- 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: M61 -6H long 8 22,5° †D 4 L 8 D
- 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
- Page 177 and 178: HRP - Range (Continued) lubrication
- Page 179 and 180: Inverted roller screws (figs. 23 an
- Page 181 and 182: Roller screws service range General
- Page 183 and 184: Service range option 1 Recirculatin
- Page 185 and 186: Service range option 2 Recirculatin
- Page 187 and 188: Service range option 3 Complete rec
- Page 189 and 190: End machining for FLRBU 3 Designati
- Page 191 and 192: Symbols C req N Required load ratin
- Page 193 and 194: Notes 3 193
- Page 195 and 196: Tables: driven and not driven Gener
- Page 197 and 198: Fig. 6 Fig. 7 Fig. 8 LZBB and LZAB
- Page 199 and 200: 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